Vintage Airplane - Feb 2008

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    GEOFF ROBISON

    PRESIDENT VINTAGE I RCR A

    FT

    ASSOCI  TON

    Getting out

    there!

    the

    local

    community

    to visit the air

    port during

    this well-managed

    and

    well-attended event.

    After

    Sun 'n Fun

    and Marion,

    things

    will

    start

    to get

    pretty

    busy

    for

    me

    in

    preparation

    for EAA Air

    Venture Oshkosh. The

    spring board

    meetings

    are in early May, and

    then

    several

    Oshkosh

    work parties keep

    me

    pretty

    busy right up

    through

    early August.

    With Oshkosh

    behind me, I

    then

    have the

    opportunity

    to get back out

    on the

    fly -in circuit.

    The weekend

    after Labor Day,

    in

    Hagerstown, In

    diana, Chapter 373 President Mar

    vin Stohler hosts an overnight fly-in

    camping event. This is always great

    fun, and has great food and a

    huge

    bonfire

    to

    battle the

    normally

    crisp

    air.

    With

    pancakes

    in the

    morning

    and

    a nice trip

    home

    by early after

    noon,

    a good time

    is

    had by all.

    This year, our local VAA Chapter

    37 is making plans to

    host

    the re

    gional Stinson

    fly-in at Auburn, In

    diana

    (GWB). This event is shaping

    up to be a real

    hit on

    the circuit. Au-

    To

    help me write this column, I

    fig-

    ured out

    that the

    best way to get

    my

    mind

    shifted to "aviation mode" was

    to go to the airport, make a pot of cof

    fee, turn on a little country radio,"

    and just be

    around

    the many avia

    tion

    artifacts

    at the

    hangar.

    I

    could

    hear

    the

    airplanes

    coming

    and going

    on

    the

    nearby runway, and there was

    no phone

    to pester me. Then all of

    the

    airplane noise got me

    thinking

    about

    the

    upcoming flying season,

    now just a

    couple

    of months away.

    Suddenly,

    the

    motivation kicked in,

    and

    my

    mind

    started cranking. Deci

    sions, decisions I have been trying to

    decide

    which

    fly-in events to attend

    in 2008 . To start off my planning, I

    thought about the local events

    that

    are relatively easy

    to

    get to.

    It

    starts

    every year

    on the

    first of January

    at

    Nappanee, Indiana, where EAA Chap

    ter 938 members,

    the

    "Cloudchasers,"

    host their annual New Year's Day Han

    gar-Over Fly-In/Drive-In Luncheon

    event. This year was their

    17'

    annual

    get-together,

    and

    they put

    on

    a great

    feed

    that

    attracts a whole

    bunch of

    chili served up. Sorry I

    didn't

    make it

    this year, Audrey.

    It

    seems as

    though

    my 3-year-old grandson is

    now

    of

    the age that he wants to know when

    I'm going to be there for

    his

    birth

    day,

    which

    is now always celebrated

    the airplane

    noise

    got me

    thinking

    about the

    upcoming

    flying

    season,

    now

    just

    a

    couple of

    months

    away. Suddenly,

    the

    motivation

    kicked

    n

    that

    same Saturday. In the future, my

    solution to

    this

    dilemma

    is to

    bring

    him along

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    G

    N E

    VOL.

    36

    , No 2

    2008

    co TENTS

    e Straight Level

    Getting out there!

    by Geoff Robison

    2

    News

    6 Vintage Aircraft Club of Great Britain Fly-In

    A delightful aviation day

    by David Macready

    10

    Timeless and Triumphant

    The Taylorcraft "Twosome"

    "Best buy in the sky!"

    by Sparky Barnes Sargent

    18

    Reziches' Travel Airs

    Part II-November Charlie Eighty One Fifteen

    by James Rezich

    22 What Our Members

    Are

    Restoring

    by David Tunno

    24 The Technical Corner

    Slotted ailerons

    by Robert G. Lock

    28 Multiple Organization Listing

    3

    Pass

    It

    to Buck

    Here I am again

    by Buck Hilbert

    32

    The Vintage Instructor

    Kick th e tires: Part I

    by Doug Stewart

    34 Reviews

    Books and Videos

    of

    Interest to Vintage Members

    by H.G. Frautschy

    ST FF

    EAA Publisher Tom Pob

    erezny

    Direc

    tor of EAA Publications David Hipschman

    Execu

    t

    ive

    Direct

    or

    /Edi

    tor H.G. Frautschy

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    Cessna

    T SO

    Bobcat Club

    We missed listing Jon Larson and

    the

    Cessna Bobcat club,

    now

    in its

    49th

    year, as a

    type club

    . Here's its

    information:

    Cessna

    T 50

    The Flying

    Bobcats 

    Jon

    D.

    Larson

    P.

    O.

    Box 566

    Auburn, WA,98071

    253-670-8218

    E-mail: skykingjon@hotmail com

    Website:

    www.Angelfire.

    coml 

    mi2lbobcat

    You

    can find

    the

    rest

    of the type

    club list

    on

    our website at

    www

    .

    Vintage

    Aircraft.org.

    Click

    on the

    Type Clubs

    link at the top of the home page.

    Cessna Spring Steel Gear

    Leg

    F

    i

    ssues

    ai

    rw

    orthiness concern sheet

    In

    the

    fall

    of

    last year

    the

    FAA is

    sued an airworthiness

    concern sheet

    ACS)

    for

    Cessna models

    120, 140,

    150,170

    , 172,175,180,182, 185,

    188, 190, 195,

    205,

    206,

    and 210.

    The reason for

    the ACS quoted

    from

    the document was

    corrosion

    and

    fatigue cracking

    of the main landing

    gear

    MLG)

    spring struts have caused

    MLG

    failures on various Cessna air

    plane models.

    Here

    is the

    text of the

    ACS:

    The

    left

    MLG broke

    on

    a 172K

    that did a ground loop on June 18,

    2007. On May 6, 2006, the left

    MLG

    leg

    broke off at

    4

    inches from the

    1987

    . We

    have reason to believe

    that

    wear-out for

    the

    spring struts

    is

    about 3,000 flight

    hours

    on

    rough

    terrain, and

    about

    8,000 flight

    hours

    on

    paved

    runways.

    At

    th is

    time,

    we

    believe

    that our

    analysis

    is

    showing

    that

    these spring struts should be vi

    sual

    and

    NDI

    inspected

    every

    2,000

    flight

    hours

    .

    The

    axle

    and

    hardware

    should be at least visually

    inspected

    every 2,000 flight

    hours

    .

    In

    2001, the NTSB issued two

    safety

    recommendations

    :

    The

    first

    recommended an initial inspection

    at

    the next 100-hour or annual in

    spection,; and the second recom

    mended repetitive inspections at

    appropriate intervals.

    At this

    time

    , the FAA has not

    made

    a determination

    on what type

    of corrective action

    (if any)

    should

    be

    taken.

    The resolution of this air

    worthiness

    concern

    could involve

    an

    airworthiness Ddirective

    AD)

    action

    or

    a Sspecial

    Aa

    i

    rwort

    h iness Iinfor

    mation

    Bbulletin

    SAIB), or the

    FAA

    could determine

    that no

    action

    is

    needed at this time

    . The initial Rrisk

    Aassessment for this concern

    indi

    cated

    that an AD or

    SAIB might

    be

    considered.

    Enclosed

    are:

    (1) the Initial

    Risk

    Assessment

    Evaluation

    Chart

    (IRAEC), (2) a

    photograph

    of the

    latest failure, (3)

    the

    previous

    ACS

    dated 5/23/01,

    (4) FAA AC43-16A

    article dated July 2002,

    (5) a

    sche

    matic of

    a spring strut,

    and

    (6) Cess

    directive or a service

    bulletin

    .

    I t

    is

    a

    method by which the FAA can gather

    commentand

    field expertise regard

    ing a

    maintenance

    issue prior to

    the

    FAA making a determination regard

    ing follow-up

    maintenance

    actions, if

    any. The follow-up

    can

    be no further

    action

    on up

    to

    and

    including

    an

    air

    worthiness directive.

    Tom

    Carr, technical

    representa

    tive of

    the

    Cessna Pilots Association,

    forwarded a

    copy

    of

    the

    club's com

    ments

    regarding the

    ACS.

    Here's

    what

    the

    CPA wrote

    to

    the

    FAA engineer

    Mr.

    Park:

    Cessna

    Pilots Association

    CPA)

    has received very few

    comments

    from

    the

    membership on

    the

    airworthiness

    concern sheet (ACS). One member

    with a U206F model

    with

    7,000 hours

    on the

    aircraft used

    on unimproved

    strips felt

    that

    with the amount of

    hours

    on the

    gear

    and

    his type of op

    eration, rough runways, that is was

    probably time

    to

    just

    to

    go ahead

    and

    replace his original gear struts.

    CPA

    feels his

    point

    about rough runways

    has

    merit and

    feels

    that any flight

    operations off unimproved runways,

    has

    to

    be harder

    on

    the gear struts as

    compared to the operator

    that

    stays

    on

    improved runways.

    That

    would be

    especially

    true of any

    ski-

    equipped

    aircraft operations.

    The

    gear strut

    failures

    CPA

    has

    been

    made aware of all originated

    from a

    corrosion point usually on

    the bottom

    side of

    the

    strut. The new

    mailto:[email protected]://www.angelfire.coml/http://www.angelfire.coml/http://www.angelfire.coml/http:///reader/full/Aircraft.orgmailto:[email protected]://www.angelfire.coml/http:///reader/full/Aircraft.org

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    8

    /1RVENTLRE

    O S K O S

    There s Much More Online

    Look for more

    EM

    AirVenture Oshkosh 2008 information

    onl

    i

    ne

    at

    www AirVenture org  

    • For admission and hours: www

     A

    irVe

    ntu r

    org/2008/

    planning/admission 

    html

    • For information on accommodations:

    w

    ww

    AirVent

    ur

    org/2008/planning/where_to_stay html

    • Find or share a ride to Oshkosh : www AirVenture org/

    rideshare/default asp

    • For information on flying into Wittman Regional Airport 

    alternate airports and stops to and from Oshkosh

    www

     

    i

    rVenture org/2008/f1ying/inde

    x html 

    their struts were fine. The Cessna new

    production 206H models still ut ilize

    the

    flat spring

    main

    gear, and the in

    spection

    details

    in

    its service

    man

    ual for

    the

    gear struts are still

    pretty

    sparse as

    compared

    to

    what

    is n ow

    contained in the 180/185 manual re

    vision . CPA

    fee

    ls that the 180/185 re

    vision should be incorporated

    into

    all

    the

    service manuals

    that

    affect any

    Cessna

    mode

    l equipped

    with

    the flat

    spring gear struts.

    CPA was made aware of a

    com

    pany, XP Modifica t

    ions (509-884

    3355, www.XPMods.com 

    that has

    the

    provisions

    to

    inspect

    (NDI) and

    verify

    the

    bends and angles of the Cessna

    mentioned earlier, any back-country

    operator has to understand they are

    being extreme

    mission

    specific, and

    their

    maintenance

    program

    has

    to

    be adjusted accordingly

    to

    make sure

    the

    l

    anding

    gear

    component

    parts are

    inspected and determined to be air

    worthy on a regular basis.

    As per

    the Cessna 180/185 man

    ual revision,

    'Ex

    amine

    for

    signs of

    corrosion (red rust) i f damage to

    the paint

    finish of

    the

    landing

    gear

    spring

    is

    found.

    ' That simplistic but

    very

    important detail put

    out

    in

    a

    special airworthiness information

    bulletin (SAIB) wo

    uld alert

    owners

    and A&P/IAs as well to the firs t in

    thereby possibly avoiding becoming

    another accident statistic.

    CP Final

    Comments

    Th

    ere are

    two

    failure

    modes

    in

    volved here.

    Th

    e

    first

    is

    failure

    of

    the

    strut at some point other than

    the axles attach point. This type of

    failure

    is generally

    caused

    by

    corro

    sion

    that

    has

    penetrated

    through the

    shot

    peened

    surface. CPA

    is

    unaware

    of any gear leg failure of this nature

    where

    the shot

    peened surface

    had

    not

    be

    en

    penetrated prior to

    failure

    by damage

    or corrosion, either ox-

    idation or fretting

    corrosion.

    This

    type of failure is preventable by an

    nual visual in s

    pection

    of the gear leg

    for corrosion, damage, and integrity

    of the paint film.

    The se

    cond

    failure

    mode is

    of

    the

    strut

    failing

    at the

    axle

    attach points

    .

    CPA s experience indicates that

    this

    type of failure only occurs on aircraft

    that

    are used

    on

    rough surfaces

    or

    operate on

    skis

    from time to time.

    Suggesting periodic inspection of the

    bolt holes on aircraft used in such a

    manner for cracks and

    dealing

    with

    cracks

    that

    are

    found

    as

    prescribed

    by

    Ces

    s

    na

    Aircraft

    Company will

    prevent

    these types

    of

    failures .

    As

    far

    as the axle and

    hardware

    inspection

    every 2,000 hours,

    CPA

    fee ls those

    items

    should

    be

    being

    looked

    at

    dur

    ing

    every tire change,

    which should

    occur

    more often

    than 2,000 hours.

    f

    tho

    se

    additional

    details

    were

    in

    cluded in the SAIB , then the owners

    changing their

    own

    tires as

    permit

    ted under preventative

    maintenance

    wou

    ld be

    made

    aware

    of the

    impor

    tance of checking the axle and at

    http:///reader/full/www.AirVenture.orghttp://www.airventure/http://www.airventure/http://www.airventure/http://www.airventure/http://www.airventure/http://www.airventure/http://www.airventure/http://www.airventure/http://www.airventure/http://www.airventure/http://www.airventure/http://www.airventure/http://www.airventure/http:///reader/full/www.AirVenture.orghttp:///reader/full/www.AirVenture.orghttp:///reader/full/www.AirVenture.orghttp:///reader/full/www.AirVenture.orghttp:///reader/full/www.AirVenture.orghttp://www.airventure.org/2008/f1ying/index.htmlhttp://www.airventure.org/2008/f1ying/index.htmlhttp://www.airventure.org/2008/f1ying/index.htmlhttp://www.airventure.org/2008/f1ying/index.htmlhttp://www.airventure.org/2008/f1ying/index.htmlhttp://www.airventure.org/2008/f1ying/index.htmlhttp://www.airventure.org/2008/f1ying/index.htmlhttp://www.airventure.org/2008/f1ying/index.htmlhttp://www.airventure.org/2008/f1ying/index.htmlhttp:///reader/full/www.XPMods.comhttp:///reader/full/www.XPMods.comhttp:///reader/full/www.XPMods.comhttp:///reader/full/www.XPMods.comhttp:///reader/full/www.XPMods.comhttp:///reader/full/www.AirVenture.orghttp://www.airventure/http://www.airventure/http:///reader/full/www.AirVenture.orghttp://www.airventure.org/2008/f1ying/index.htmlhttp:///reader/full/www.XPMods.com

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    AirVenture:

    Where the Aviation World

    Celebrates

    Plans are well underway for several

    major activities

    that

    will take place at

    the

    56th

    EAA

    AirVenture Oshkosh

    2008, The World's Greatest Aviation

    Celebration, scheduled for July 28

    August 3 at Wittman Regional Air

    port in Oshkosh, Wisconsin.

    Already in the works for this sum

    mer's aviation extravaganza are:

    • The

    50th

    anniversary of

    NASA

    with

    the people and machines

    that

    brought a

    half-century of

    achieve

    ment

    and history in space

    and

    aero

    nautics, and those who are

    planning

    what's next.

    • Greater

    opportunities for

    women

    to participate in all aspects

    of aviation,

    including

    encourage

    ment

    for

    more

    women to

    join the

    pilot community.

    • Acknowledgment of a number

    of significant airframe milestones, in

    cluding the 70th anniversary of the

    sands of aviation

    enthusiasts

    who

    unmatched

    anywhere in

    the

    avia

    T-6

    trainer,

    the

    50th anniversary of

    make the annual pilgrimage each

    tion

    world, it's

    the annual aviation

    the

    Nanchang

    CJ-6A

    the

    10th

    anni

    summer to Northeastern Wiscon family

    reunion

    element

    that

    is

    the

    versary of Cirrus Design, and more.

    sin. It's

    the unique

    family

    atmo

    most memorable

    feature of

    what

    is

    • Aviation innovation displays,

    sphere

    and culture of

    the

    event

    known simply as 'Oshkosh' around

    such as

    the

    latest developments

    and

    itself, however,

    that brings

    people

    the

    world, he said.

    products relating to space tourism, back year after year, says

    EAA

    Presi

    Specific

    details

    for all

    the main

    unmanned

    air vehicles, electric dent

    and

    AirVenture Chairman activities, as well as traditional con

    powered aircraft, light-sport aircraft, Tom Poberezny.

    vention mainstays, will be

    updated

    and others.

    While

    the special

    events and

    regularly over the next several months

    These events and much

    more

    are

    activities at

    EAA AirVenture

    each on

    www.AirVenture.org

    your source

    for

    in

    store for

    the hundreds

    of thou-

    year offer

    experiences

    that

    are

    AirVenture news and information.

    John Frank, Executive Director, 3940 market conditions as the primary

    would be interested. We hope to find

    Mitchell

    Rd.

    Santa Maria,

    CA

    93456.

    reason

    the

    company decided to pul l a good use for them,

    he

    said.

    the plug on the popular performing Jayson

    Wilson,

    director of flight

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    A delightful vi tion d y

    Y D VID

    M CRE DY

    N

    estled in

    the heart

    with

    an enforced consideration of

    all

    things looked good for Sunday

    of

    rural Bedfordshire

    the weight and

    balance

    chart for

    6th October

    is the delightful air-

    the aircraft for the

    return

    jour

    Saturday

    arrived

    and

    we were in-

    field at Sackville

    ney

    home. This year

    once again

    deed blessed with a

    delightful au

    Farm, and the

    an the

    alternate adverse weather day

    tumnal morning

    and

    reasonably

    nual V C members-only

    visit

    can

    Sunday)

    was not needed, and our

    clear

    conditions;

    the crosswind

    of-

    often

    be

    associated

    with the need

    chairman agreed several days

    be-

    ten associated with

    Sackville Farm

    for

    the pre-Christmas diet coupled

    forehand with

    Tim Wilkinson

    that

    and

    incidentally our old home

    at

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    Finmere was missing,

    and

    this day

    was set

    to

    be a delight. First arriv

    als, a Beagle D5 Husky G-ATCD

    and

    a Chrislea

    Super

    Ace Sky Jeep G

    AKVR also signified

    the standard

    for

    the

    aircraft types

    that

    arrived

    at

    varying times

    during the

    day. From

    a personal perspective , O.K. , my

    son, loved Auster JIN G-BLPG . The

    aircraft was built in 1959 and flown

    in by Peter Gill resplendent in its

    Royal Canadian Air Force markings,

    and

    O.K. insisted on having his

    photo taken by it .

    It was nice to see our member-

    ship secretary, Rob Stobo,

    venture

    out to field afar, in his diminutive

    Volkswagen-powered Jodel D.9 Bebe

    G-BDNT. However, of special note

    it

    was great to see Barbara Schlus

    sler

    fly

    in her Evan VP-l Volksplane

    G-BGLF; Barbara

    succeeded this

    time

    despite several

    thwarted

    at -

    tempts previously. Watching the

    come and

    go

    of

    aircraft from

    the

    vantage point

    of

    a comfortable seat

    by

    the clubhouse an airmanship

    note became all

    too

    apparent; re

    member when landing

    toward

    the

    clubhouse hold off making con-

    tact until after the windsock. Sev

    eral people were caught out buy

    the gently undulating landscape of

    this great rural airfield . Of those a

    few decided to get value

    their

    for

    money by

    landing

    a few times all

    in

    the

    same

    approach

    before finally

    giving

    up the flying

    lark

    and park

    ing

    the

    aircraft

    before retiring

    to

    the

    clubhouse.

    Close

    to

    lunchtime

    the barbe-

    cue was fired up,

    with

    those wisps

    The single-place Druine Turbulent is often powered

    by an

    aero-conversion

    of the

    air-cooled Volkswagen engine. This one, a Rollason-built example constructed in

    the md

    -

    1950s, is

    owned

    by John Mickleburgh

    and David

    Clark of the Tiger Club

     

    one

    of the UK s most venerable sport flying clubs. The club just celebrated its

    50

    th

    anniversary. This

    Turbul

    ent is

    one

    of

    four

    cUlTently flown by the Turbulent

    Display

    team

    of the club. Log on to www tigerclu co uk or more

    information.

    This

    Piper

    PA-22-108 Colt, G-ARNJ was built in

    1961.

    http://www.tigerclub.co.ukfor/http://www.tigerclub.co.ukfor/http://www.tigerclub.co.ukfor/http://www.tigerclub.co.ukfor/http://www.tigerclub.co.ukfor/http://www.tigerclub.co.ukfor/

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    A

    few StaggelWings are

    in

    Europe

     

    includ

    ing this

    fine example

    owned

    by The

    Fighter Collection.

    It was

    originally delivered to

    the U.S.

    Navy

    as a

    UC-43B

    BuNo

    23689 and then

    allocated serial

    44-67724. It was

    assigned to

    the

    Royal Navy

    under

    the Lend-Lease

    agreement

      becoming

    FT475 and operating from

    Scotland.

    After

    the

    end

    of

    World War

    II it

    returned to th

    e U.S.

    Navy

    asBuNo 32874

    before

    returning

    to

    the U.S.

    civilian registry

    as

    NC1193V.

    Even the

    Vagabond

    hasmanaged

    to

    spread

    ts

    wings ove

    rse

    as. This is a

    Piper

    P

    A-17,

    serial num

    ber

    15-229, owned

    by

    B.P

    Gardner.

    to beckon

    all, was

    reaching

    a fever

    pitch as a

    huge

    table in

    the

    club

    house slowly vanished as more and

    more food piled up. A queue slowly

    formed, a queue

    that

    was polite and

    in

    a

    way

    both

    subdued yet

    orderly,

    fuelled by eager anticipation adding

    to

    its growing length. Now

    queues

    seem to be one of the few national

    sports

    that

    we excel in. The queue

    on this occasion was indeed one of

    our finer efforts in

    both

    its

    good

    natured and controlled manner

    tempering

    the

    desire to

    rush

    for

    ward

    for the food. But the urging

    from those deep within the queue

    a virtual stampede was

    tempered

    by

    knowledge that

    savoring the de

    lights of the

    cooking

    was now im

    minent

    ,

    yet the volumes

    available

    to all was

    indeed plentiful.

    Very

    soon the background noise

    gave

    way

    to

    contented murmurs

    as the

    food, a very special element of

    the

    day

    , had once again hit the mark.

    Still more

    and

    more people flew

    in. The

    growing number

    and variety

    of aircraft types

    and color schemes

    acted

    as a great visual aid

    when

    ap

    proaching from

    the

    air

    and

    was

    the

    delight of

    all

    those on the

    ground

    as

    well.

    A

    rough

    idea

    of the span

    of aircraft types and variety can be

    judged

    by the

    fact

    that

    at the

    oldest

    end of the

    scale were

    four

    aircraft

    from both

    sides of the Atlantic,

    an

    interesting juxtaposition when con

    Sidering the development of

    gen

    eral

    aviation

    at

    that

    time. There was

    John

    Coker

    and

    Sue

    Thompson in

    the

    DH Tiger

    Moth

    G-ANFM

    and

    Cliff Lovell

    in the Luscombe

    8E

    G-

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    BuiH

    in

    1965

    this is

    a Beagle

    (Auster)

    06.

    In

    1960

    Auster

    was sold to

    British

    Executive and General Aviation Ltd

    (BEAGLE). Auster production continued

    until

    1968. This 06

    is owned

    by D.J. O Gonnan.

    Some of the most popular post-war lightplanes

    in

    Europe

    are

    the

    Druine

    Turbulent

    series,

    designed

    by Frenchman Roger

    Druine.

    This

    is

    a D5 Turbi, a two-place

    model.

    The Chrislea

    CH3

    Super

    Ace Sky

    Jeep

    is certainly

    a

    unique airplane. Des

    igned by

    R.C.

    Christoforides, the four-place

    plane

    powered by a

    145-hp

    Gypsy

    Major

    en

    gine it

    has

    a

    wingspan

    of 36 feet and a maximum gross

    weight

    of 2 350 pounds.

    This one is owned by R.B. Webber.

    end of the scale was David Cassidy s

    MCR-Ol Banbi G-CDLL, which was

    only

    2 yea

    rs

    old,

    having

    been built

    in 2005, followed by Derrick Brunt

    in his Banbi G-TDVB built in 2004

    and Richard Goddin s Skyranger

    G-

    SKRG, a

    head

    y 4 years

    old

    and a

    well-traveled

    aircraft despite such

    tender years, adorned with stickers

    from trips both close and afar.

    A

    lthough

    food does

    often

    form

    the central theme when most peo

    ple talk

    about

    Sackville Farm

    each

    yea r it is

    worth

    remembering

    what

    makes i t all so special and why we

    really keep

    returning.

    And that is

    the friendliness and welcoming na

    ture of Tim and all those involved at

    the

    flying club whose labors

    and our

    own sense of well-being and con

    tentedness are directly attributed to.

    From a

    purely

    selfish perspective,

    the fact that my 2-year-old

    daugh

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      The

    new

    straight stringers

    allow

    you to

    see

    the

    structure

    of the airframe just beneath the

    fabric-they re like cheekbones

    on

    a supermodel

    - Joel Severinghaus

    Y

    SP RKY B RNES S RGENT

    Sometimes there are

    hidden

    treasures tucked

    quietly away in the

    south

    40

    at

    EAA AirVenture

    Oshkosh, far away from the milling crowds. That s

    where Joel Severinghaus Taylorcraft BC12-D was

    tied down this past summer, and it beckoned

    to me

    as

    I wandered

    through

    the field. It was

    conspicuous by its very presence, with its fresh

    ivory paint glowing under the midday sun and

    its bright blue trim reflecting

    the

    sky above. The

    judges found it alluring, as well, and awarded it a

    Classic Bronze Lindy (Class 1 0-80 hp) trophy.

    NC96130 (s/n 8430) was manufactured in

    1946 at the Taylorcraft Aviation Corporation fac

    tory in Alliance, Ohio.

    It

    was a

    turbulent

    year

    for Taylorcraft, replete with several factory fires,

    storm damages, and financial troubles. The com

    pany filed bankruptcy in early November, just six

    months

    after NC96130 rolled off

    the

    production

    line and

    onto

    the ramp. NC96130 s

    own

    saga

    began on May 23, 1946, when its airworthiness

    certificate was issued.

    Six

    days lat

    er

    it flew to its

    new home in Kansas and later went to owners in

    Missouri. It eventually made its way to several

    different owners

    in

    Minnesota including a fly-

    ing club and in North Dakota,

    as

    well. This par

    ticular Taylorcraft, like

    the company

    itself,

    had

    its

    own

    share of hardship including ground

    loops, wind damage,

    and

    a hand-propping inci

    dent. Then in August 2005, Severinghaus of Des

    Moines, Iowa, became its new caretaker.

    Sfrf

    €J

    t t ~ f € J ' f 1

    Chet Peek, aviation historian and author, pro

    vides a glimpse back in time regarding

    the

    devel-

  • 8/20/2019 Vintage Airplane - Feb 2008

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    opment of

    the

    Taylorcraft: "In 1931,

    when e.G.

    Taylor married his

    E-2

    Cub

    to Continental's new A-40 engine, he

    made personal flying safe and afford

    able. Of course, you couldn t fly very

    fast, or very far or very high, but you

    could get in the air. A few short years

    later, Taylor formed a new company

    and built his famous Taylorcraft. It of

    fered side-by-side seating, wheel con

    trol, closed-cabin comfort, and would

    cruise at 100 mph with only 65 hp.

    Finally, a lightplane could be used for

    business trips or even vacation jaunts.

    Taylor's Cub made private flying possi

    rib stitching. Three versions were

    available-the

    Standard, Custom,

    and

    Deluxe. Powered by a Continen

    tal A-65-8 engine, the airplane had a

    maximum cruising speed of 105 mph

    and a landing speed of 38 mph .

    It

    car

    ried 50 pounds of baggage behind the

    seat and had a fuel capacity of 18 gal

    lons, providing a range of 500 miles.

    Like its predecessors,

    the

    BC12-D

    had

    a NACA 23012 semisymmetrical air

    foil,

    as

    opposed to

    the

    flat-bottomed

    Clark Y airfoil used on many Pipers.

    So its wings, coupled with a stream

    lined airframe, allowed it to

    fly

    faster

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    see

    and

    fly

    the new Taylorcrafts

    agree-Dollar for Dollar,

    Fea-

    ture for Feature-Taylorcraft

    has earned

    the

    reputation I est

    Buy in the Sky. 1

    The publicity that was gen

    erated when pilots set records

    while flying their Taylorcrafts in

    the late 1930s

    and

    early 1940s

    was perhaps some of

    the

    best

    marketing for the company.

    Those records included: Hunter

    and Humphrey Moody

    flew

    an

    endurance flight of 14 days and

    nights aloft in 1938; Dewey El-

    dred

    flew

    975 miles nonstop

    from New

    York

    to Daytona

    Beach, Florida, in 1939; Grace

    Huntington achieved a world

    altitude record for lightplanes

    of 24,311 feet in 1940; Jack

    Snodgrass won the Firestone

    Trophy

    Race

    during

    the

    Miami

    Air Maneuvers in 1940 and Fon

    Stark won it in 1941; and Ev-

    elyn Burleson

    flew

    a nonstop

    goodwill flight from Canada

    to Mexico in 1941. Burleson

    had extra fuel tanks installed

    in the 1940 deluxe

    Tay

    lorcraft

    Miss Lib

    e

    rty and completed her

    l,700-mile flight in 16

    Vz

    hours.

    These accomplishments, and

    others, were highlighted in a

    full-page ad in the April 1946

    issue of Skyways.

    That same ad also listed

    the

    firsts for Taylorcraft, such

    as:

    FIRST

    to

    introduce side

    by-side seating

    with

    wheel

    control in light airplanes.

    FIRST

    to employ a racing

    J f i n ~ f f

    j i ) ~

    T 9 . f ~ ( i ) ' f e ~ # f ~

    Severinghaus' introduc

    tion to

    tube-and-fabric style

    flying occurred while

    he

    was

    a

    studen

    t pilot

    and had

    the

    opportunity to do part

    of his

    training in a Piper J-5. He en

    joyed it so much that

    he

    be

    gan looking

    around

    at vintage

    airplanes,

    and he soon

    de

    veloped an affi

    ni t

    y for Tay

    lorcrafts. It was

    more

    than

    10 years ago, on one of my

    first trips to Oshkosh, he re

    calls,

    when

    I was walking the

    flightline

    and

    looking

    at

    old

    planes,

    and

    way

    down

    there

    in the

    south

    forty was a Tay-

    lorcraft.

    What caught my

    eye

    was

    the

    long, elegant taper

    of

    Look how cleanly the trailing edge

    drain hole is opened

    up

    . ou can see

    how taking your time results in fine

    fabric work that both the public and

    aircraft judges notice.

    PHOTOS

    SP RKY B RNES S RGENT

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    N

    9613

    Shinn mechanical brake parts are still available from Sky-

    Bound

    n

    Atlanta  Georgia.

    A new Lang tail wheel was

    n

    stalled.

    A guy told me to see him after the

    forum was over. Two weeks later, I

    was up in Fargo looking at NC96130,

    smiles Severinghaus. liThe appeal of

    that

    airplane was

    that

    it was pretty orig

    inal. The panel hadn t been cut up to

  • 8/20/2019 Vintage Airplane - Feb 2008

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    ~ u ~

    }(9 (O .JJ1ufhenf cJfy

    Severinghaus won his campaign

    and

    gained permission from his wife,

    Beverly Westra, to begin a full-fledged

    restoration of NC96130. One of

    the

    next steps was finding a mechanic.

    While

    attending the

    Antique

    Air-

    plane Association's fly-in that fall, he

    noticed a pristine 1940 Taylorcraft

    BC 6S.

    It was owned

    and

    restored by

    john Frisbie of Udall, Kansas, says

    Severinghaus,

    and

    it was his father's

    airplane. He

    had

    inherited his fa-

    ther's hangar

    and

    tools,

    and he had

    just started his Aircraft Restoration

    and Recovering business. My goal for

    the

    restoration was to be completely

    authentic

    and have the airplane

    looking like it did

    the

    day it came

    out

    of

    the

    factory. It's

    tough to

    find a

    mechanic willing

    to do that-to use

    all slotted screws and original fasten

    ers, such as friction tape

    and

    cord, as

    opposed

    to

    Phillips-head screws

    and

    plastic cable ties . After I talked

    with

    john, I knew

    he

    was

    the one to

    re

    store my airplane, so I flew it to his

    shop in November 2006.

    Back

    at home

    in Iowa, Severinghaus

    devoted hours

    upon

    hours

    to

    learning

    the

    answers to myriad questions, such

    as: What were the correct colors and

    paint scheme,

    and

    was the glove box

    handle originally plastic or metal? His

    persistence was fruitful,

    and

    he found

    the

    answers he sought. Other Taylor

    craft owners had scanned in unfaded

    paint samples from old airplanes,

    and

    then jim

    and

    Dondi Miller at Aircraft

    Technical Support mixed

    the paint to

    match. Now they have

    the

    formula

    from plastic resin. When it came time

    for firewall-forward originality, he in

    sisted upon keeping the old Case mag

    netos, along with unshielded ignition

    harness

    and

    spark plugs. And after

    an

    extensive search, he located

    an

    old,

    unfiltered air scoop in good condi

    tion, with a factory-original screen

    over its

    opening

    ,

    and john

    carefully

    shaped

    the

    new cowling he'd made

    to

    fit around it.

    Meanwhile, Westra, who good na

    turedly

    adopted the title of Taylor

    craft Financier, patiently

    endured

    her husband's quest

    for

    authentic

    ity in

    the restoration

    ,

    including

    the overflowing filing cabinets full

    of Taylorcraft research and his self

    confessed obsession with

    the

    smallest

    of details.

    1 { e f 9 . " ( O ~

    9.nJ

    JMi(9 (Oe

    As

    Severinghaus delved

    ever

    deeper, he realized that parts avail

    ability (or lack

    thereof)

    presented

    its

    own challenge.

    Fortunately,

    he was able

    to

    locate

    drawings

    for

    -

    Well, for fabric-covered

    airplanes, anyway .. w

    got th

    idea from Ponce.

    It's called rejuvenation, and t works great with re l

    dope

    finishes.

    Spray our rejuvenator overaged dope;

    parts that needed to be fabricated

    as owner-produced parts, and he

    discovered that a few

    items

    were

    still being

    supplied

    by

    vendors,

    such

    as Shinn

    mechanical

    brake

    parts

    (Skybound);

    an exhaust

    sys

    tem (Wag-Aero); an aluminum

    nosebowl

    (Aircraft Spruce); miscel

    laneous

    parts for Taylorcrafts (Uni

    vair); and

    cabin carpet

    and

    interior

    upholstery (Airtex).

    As

    they

    removed the fabric from

    the airframe at Frisbie's shop in

    Kansas,

    they

    were

    surprised

    and

    dismayed

    at

    what

    they

    saw. Per

    haps most

    alarming was a crack

    and

    bend in the compression

    tube

    at the right front jury strut attach

    ment bracket-the fitting was com

    pletely

    broken

    off below

    the fabric.

    I

    learned that some mechanics

    don't go into a great amount of

    detail

    on the FAA

    Form

    337s,

    shares Severinghaus

    with a

    wry

    smile. We found that

    every

    piece

    of

    wood on

    the airframe

    was either

    cracked

    or

    broken. Some

    had

    been

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    Here s the mold for making the new glove box handle. The new glove box handle.

    cutaway in the lower cowling.

    Sandblasting the BC12-D fuselage.

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    19/44

    The windshield fai

     

    ng was the t rickiest piece to fabricate

    says Severinghaus. "He even made

    staples by hand, in order to fasten the

    wool felt gasket material to

    the

    en

    gine baffles, using the original 1946

    staple holes."

    As

    is common with modern-day

    restorations, a few concessions were

    made for safety's sake. Shoulder har

    nesses were installed, a small fire ex

    tinguisher was mounted adjacent to

    the seat, and an antenna (for use with

    a handheld radio) was routed inter

    nally so it wouldn't be visible from

    the

    exterior of

    the

    aircraft. And for

    longevity considerations, Poly-Fiber

    fabric and coatings were selected,

    as

    opposed to Grade A cotton.

    ~ ~ ~ ~ f Q t ~ l months,

    NC96130 was ready for her test

    flight. Frisbie had

    the

    honor of that

    first flight ,

    and

    then a very eager Sev

    eringhaus had his chance

    they

    were both pleased with what they

    long 36-foot wing I get 80

    mph

    in

    dicated at cruise with the Sensenich

    wood

    prop. She could

    fly

    faster

    with

    a metal prop, and I could

    push

    the

    engine faster,

    but

    I fly at

    2,lS0

    rpm

    as the manual says."

    His first cross-country was his jour

    ney

    home

    to Iowa June 23-24, 2007.

    "It was wonderful, flying her home

    at

    l,SOO

    feet agl above Kansas and

    Missouri," Severinghaus reminisces.

    "She flies well,

    and

    she's lighter now,

    too . she lost 17 pounds in

    the

    res

    toration. The new straight stringers

    allow you to see the structure of the

    airframe just

    beneath

    the

    fabric

    they 're like cheekbones

    on

    a super

    model-and

    it's just pretty

    when

    you

    can

    see

    that

    underlying structure.

    You try

    not

    to

    anthropomorphize

    your airplane, but you end up doing

    it anyway."

    In late July, he flew it to EAA Air

    Venture, just as he

    did

    last year.

    But this time, it was his Taylorcraft

    n f a e

    Va tte

    Severinghaus delights

    in

    flying

    his newly restored Taylorcraft, and

    he finds it quite economical to op

    erate . He typically

    plans

    for a 4.S

    gph fuel burn, "so even with avgas

    over $4

    per

    gallon, it

    on

    ly costs

    me

    about $20 per hour to fly the Tay

    lorcraft, he comments. My wife,

    of course, points out the additional

    fixed costs

    of

    hangar rent

    and

    in

    surance at about

    $300

    per month,

    plus

    the capital costs of the plane

    and restoration. Even so, she flies

    with

    me

    on

    the weekends,

    and

    she's willing

    to hand-prop

    it .. .I'm

    a very lucky guy /I

    Severinghaus has become an am

    bassador for the va lue of restoring

    vintage airp lanes, enthusiastically

    promoting the advantages they of

    fer

    to

    pilots

    and

    owners. "I wish

    more people would

    restore old

    airplanes . For a

    SOK

    investment,

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    And

    here

    is

    what

    air

    show smoke

    is all about

    Although this is actually

    NC606K-the

    R e z i i c h e ~ s

    Travel Air D-4-D Speed

    wing

    not NC8US.

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    This is

    the

    photo

    that Mike first

    saw and

    started

    his

    pursuit of

    owning

    NC8115.

    At

    this

    time the airplane

    was owned

    y

    Eart

    Stein of Fostoria Ohio. The ship was then powered with

    the

    Wright J·6-7 Whirtwind.

    These were

    commonly

    called "El

    ephant

    Ear" Travel Airs.

    Next came

    Standard

    Wings," which are

    com

    monly confused

    with Speed Wings.

    The

    Standard

    Wings incorporated

    the new

    "Frieze" ailerons to replace

    the

    old overbalance design

    and

    fea

    tured round wingtips on both

    the

    up

    per

    and

    lower wings. The same Travel

    Air

    No.1 airfoil was retained,

    and

    the

    span

    stayed

    the same at

    33 feet for

    the

    upper wing

    and

    28 feet, 10 inches

    for the lower.

    The unique design feature of the

    Frieze aileron was the hinge arrange

    ment,

    which

    had the hinge pivot set

    back

    to

    allow

    the

    entire leading edge

    of

    the

    aileron

    to extend beyond the

    Travel Air has

    round

    wingtips

    that

    i t

    is a

    Speedwing,

    when

    in

    reality

    it is a Standard Wing. Another mis

    conception

    is

    that

    Speed wings were

    Standard

    Wings,

    just

    shortened

    at

    the inboard

    ends. The

    Speedwing

    used

    the

    Travel

    Air

    No.2 airfoil,

    which

    had

    a

    slight

    undercamber

    to

    the

    airfoil

    and

    featured heavier spar

    and rib construction.

    The

    span was

    reduced to 30 feet,S inches

    for

    the

    upper wing and

    26 feet for the lower

    wing

    . But

    the most

    visible

    and

    sig

    nificant

    feature

    was

    that

    the flying

    wire terminal ends were

    below the

    surface of the wing. This eliminated

    the small bump fairings at

    the

    in

    tersection of the flying wires and

    owners, trying to find an airplane

    within

    his

    budget.

    He

    finally set

    tled on NC8US, SIN 887.

    One

    thing

    about Mike-he was

    very thorough

    in his research and often knew more

    about

    the airplane

    than

    the

    owner

    He

    kept

    meticulous notes about

    Travel Airs

    and had

    many detailed

    lists of airplanes by

    registration

    number and serial number,

    owner,

    and

    geographic area.

    So

    why

    was Mike

    attracted to

    NC811S?

    I t

    was

    the history

    of

    this

    10-year-old Travel Air that Mike was

    taken with, along with

    the

    price. Mike

    knew that the airplane was delivered

    in early February 1929

    to N.R. Air

    ways,

    the

    Travel Air dealer

    at

    Curtiss

  • 8/20/2019 Vintage Airplane - Feb 2008

    22/44

    ---

    ====

    -

    NC8l1S on

    the

    south

    side

    of

    "Muni" airport.

    You can see

    the Joe Marshall

    Buick

    dealership

    on 63

    n

    Street.

    Believe it

    or not, the dealership still

    remains

    at this same location today, under

    another

    name

    and

    it

    remained

    in the

    New ork City area for a

    number

    of years having

    several successive own

    ers. During this time

    it

    was never cracked up.

    I t

    did have a 3 x lO-inch

    tail

    wheel installed

    in

    place of the original tail

    skid. The ship

    received

    routine maintenance

    and various

    airframe

    parts were recovered as

    necessary.

    Then

      in

    1937

    the

  • 8/20/2019 Vintage Airplane - Feb 2008

    23/44

    tor. This exhaust system

    was one of the keys for

    successful skywriting, as

    the smoke oil

    could

    be

    injected

    into

    the

    large

    exhaust collector where

    i t

    would

    be

    heated by

    the superheated

    ex

    haust

    from every cyl

    inder

    before

    entering

    the tailpipe and being

    trailed in a great burned

    smoke oil cloud behind

    the airplane.

    Okay, here's the fam

    ily secret to

    the

    impres

    sive amounts of smoke

    we are able to get from

    the

    J-6-7s

    on

    the Travel

    Air : we inject

    the

    smoke

    oil

    into the

    exhaust col

    lector

    through an

    AN-6

    steel elbow

    welded

    You can

    see

    the extra longexhaust

    pipe

    with the front

    co

    llector on the Wright J 6 7 in

    this

    view

    into the

    manifold.

    The of the restored NC811S

     

    smoke oil is

    pumped

    in

    under 15 psi of pressure

    Now

    that's

    a

    lot of

    pressure,

    and

    i f

    hardly

    a trace of

    unburned

    smoke

    between

    two sawhorses and let him

    you have even seen oil being pumped oil. The Pitts drivers with only 180 hang out

    out of a 3/8-inch fitting,

    you

    know

    hp

    of heat and two headers

    that

    Most of

    the

    "training" was done af-

    what large

    amount of

    volume we are

    exit the

    cowling

    pointing straight

    ter work,

    and

    it was hard to get the full

    talking about.

    down don't

    have a chance of leav five hours. In 1933 Milo Burcham had

    Once the smoke oil

    is

    burned,

    ing

    a

    nice

    long

    smoke

    trail

    set the record

    of

    four

    hours

    and five

    you need to keep

    it together

    in a Okay,

    back

    to NC811S.

    One

    of

    minutes, so the Rezich boys were out

    continuous stream

    behind the

    the other

    air

    show

    modifications

    the to

    raise

    the

    bar quite a bit.

    As

    it turned

    airplane. The key here is a

    long

    Mackey team did was to add an

    in

    out, they never did make

    the

    attempt.

    tailpipe,

    and where

    it exits the air verted

    header

    fuel tank for

    extended While Joe had this

    Travel Air,

    plane. I f the smoke stack is too

    inverted

    flying. This was of particu Mike flew it during an air show per

    short, the

    smoke

    will not

    be

    con lar interest

    to the Rezich

    brothers, formance

    at the Cleveland

    National

    centrated and will disperse quickly.

    as they had

    been considering

    an

    at

    Air

    Races in 1938. Mike was part of a

    The

    angle at which the smoke en tempt to

    set

    a

    record.

    They had al

    three-ship formation act that

    trailed

    ters the air stream

    is

    equally impor-'

    ready

    put some thought into this miles of smoke. Mike Murphy would

    tanto f

    the

    angle is

    too

    large,

    the idea

    and even developed

    and used

    later buy the Travel Air from Mackey

  • 8/20/2019 Vintage Airplane - Feb 2008

    24/44

    BY D VID TUNNO

    N3N-3

    44879 has

    been

    in my

    family

    for

    29 years. I t

    was the

    second N owned by my father, a

    World War II Marine Corsair pi

    lot

    who

    trained in N s

    at

    Pensacola

    and

    always sang their praises, espe

  • 8/20/2019 Vintage Airplane - Feb 2008

    25/44

    tion, and with the AT-IO cowl, I think

    it s also

    the

    best-looking combination.

    Lots of N s are

    out

    there with

    the

    original yellow Navy livery. I chose a

    different route. The scheme is pre-war

    Marine

    Corps, as would have been

    seen

    on

    the

    corps' pre-war fighters

    and dive bombers.

    The windshields are custom built.

    The original N windshields are just

    like the

    Stearman,

    with three glass

  • 8/20/2019 Vintage Airplane - Feb 2008

    26/44

    E

    arly aircraft beginning

    with

    the Wright

    Flyer

    through the

    development of the airplane

    in to

    the

    1920s

    were

    often

    unstable in flight because there was

    little

    design

    and

    wind

    tunnel

    test

    ing data available. In many cases, de

    signers relied on data

    generated

    by

    one another.

    There was a significant event that

    would improve

    the

    stability and low

    speed flight of aircraft, a program

    that commenced design and develop

    ment

    of

    more

    safe aircraft. In 1926,

    philanthropist

    Daniel

    Guggenheim

    offered a $100,000

    main

    prize

    and

    five $10,000 secondary awards for air

    craft

    that

    could meet certain require

    ments. These requirements were:

    • Maintain controlled, level flight

    at 35

    mph without

    stalling.

    • Demonstrate hands-off stability for

    five minutes at any airspeed between

    45 mph

    and 100

    mph

    in gusty

    air.

    • Glide power off at

    less

    than

    38

    mph.

    • Land over a 35-foot obstacle with

    maximum 300-foot roll.

    • From a

    standing

    start, take off

    within 500 feet and clear

    that

    same

    35-foot obstacle.

    Those were stiff requirements for

    the

    time, but

    the contest

    officially

    began

    on

    April 30, 1927, and

    ended

    October

    I,

    1929. Twenty-seven man

    lotted ailerons

    Y RO ERT

    G.

    LOCK

    Command-Aire SC3-B, serial W-Gl powered

    by

    a IS0-hp

    Axelson

    radial engine.

    Note full-span Lachmann

    slotted

    ailerons

    on lower wings

    .

    Only

    four

    of the model

    5C3-B

    aircraft were constructed: serial numbers

    W-Gl

    NCGOS), W-94 NC948E),

    W-l

    NC973E

    ),

    and W-142

    NCI04S7).

    These aircraft were

    the

    ancestors of

    the

    now common STOL (short take

    off

    and

    landing) aircraft.

    When ailerons deflect for lateral

    ron

    reduces

    the

    effective

    camber

    of

    that

    portion of the wing (decreasing

    the effective angle of attack of the left

    wing), which decreases the lift gener

  • 8/20/2019 Vintage Airplane - Feb 2008

    27/44

    Wolff photograph,

    the Lachmann slot

    ted aileron

    as

    used

    by designer Al-

    bert Vollmecke, is

    clearly shown.

    You

    can plainly

    see

    the

    generous slot be

    tween

    the wing

    and aileron. The

    slot

    was

    formed

    on

    both the wing and

    aileron using hand

    carved

    and san

    d

    ed

    balsa wood. The

    balsa

    wood

    was at

    tached to the chro

    moly steel aileron

    spar using

    bras

    s

    STALL SPBBD CONTROL

    lJmmand-aire ailerons banish

    TI

    ..

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    . - . . . . . ~ ' o o w

    _bo1itr ...............

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    .

    ,..

    r s

    ..

    , .....

    ,,,.,(40

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    .....e lMcodtpiooedridotllot

    .......... b o ; . , p

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    ..fd .....I 'lo.

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    ..................... _

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    .............

    , . . ~ . d o o

    a 1 , p I ~

    ... , . . . ,   ..tf-...l .... ,....._

    ....... . . . . .

    o. i_

    ...... Lb.o .......

    C ~

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    >iI·

    , . . , o I . l < , o f t o d ~

    ..

    ~ . . d < > f t ~ . Io,. ..

    _....p p n u u ;

    ... '-..... I. . . . ..... ..Tbit

    ...........

    in.....,;..

    .........,,'-,11. '__ ...........

      ~ o o : w o

    .... ~ u . . . .

    ; ~ ~ : . ; ; :

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    ~ . . ; : ~ ~ - = ~ ~ . : :

    Ap i

    ...

    lt,....no..pooPdT.

    f;J' h C U / l l / l l N O A I ~ r

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      I ' 1 t

    J •

    ••

    JA

    .

    ••••

    WATC

    H THE TRADE PAPERS f OR MORE

    ABOUT

    COMMANJ).AlRE"S UNCANNY STADIUTY

    safety wire

    and was

    glued in place

    on

    the

    wood

    wing. In

    Command-A

    ire advertisements, the photo served as the ba

    sis for a drawing highlighting the excellent roll control

    of

    their biplane, thanks to the slotted aileron.

    (termed aileron differential); a typical travel would be 18

    degrees

    downand

    2S degrees up. Another method

    to

    deal

    Aeroplane, a story titled "I Am an Aircraft Designer," the

    text o f a talk given on the "Forces Programme" of the BBC

    on Monday

    May

    2S,

    1942,

    Mr.

    Frise states:

    "I have been asked to mention the Frise aileron, which

    I

    patented

    as far back as 1921. The aileron, as you know,

    is

    the control on the

    wing tips used to carry

    out

    most of

    the

    aeroplane manoeuvres. This idea was born whilst I was

    working on means of improving the safety of flight, and it

    was awarded the Wakefield Gold Medal by the Royal

    Aero

    nautical Society.

    "This

    control

    became practically standard through

    out the world,

    and

    soon its original purpose of improv

    ing safety was overshadowed by its ab

    il

    ity

    to

    increase

    the

    fighting manoeuvrability of aircraft in war. The

    only

    enemy aircraft not so fitted at the beginning of the War

    (WWIJ) was the Messerschmitt 109, but

    this

    suffered so

    badly at the hands of the Spitfires

    and

    Hurricanes using

    the

    Frise aileron,

    that

    it is

    not

    surprising

    to

    find that the

    latest model Messerschmitt, the 109f, has returned to the

    fight wearing Frise ailerons.

    "Although we have seen so much of our work turned to

    the

    waging of war, we have in

    the

    aeroplane

    the

    strongest

    weapon also for peace, in that it can reduce the size of the

    world and make isolation and the flourishing of perni

    cious doctrines anywhere

    pOSSible.

    ,Ax/so!

    ~

    .5.6% bJ1.2% c.O.62% d.

    4.3% b - ~

    it I

    I-

    /

    .10

    X:;J;..::-2

    S:W. i

    Slotted ai leron

    25

    per

    cent

    chord

    by 40 per

    cen

    t Sen1Jspcr7

    C _  -. -Ax/s o f

    .- -- ro

    taflon

    52: -   o..¥Z

    0,8.4% 0, 18.9%

     

    'I

    II

    19.37.- 4O.0

    J:.

    v ,

    0

    d

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    40

    per cent c

    hord

    by 30p er cen t semispan

    fr

    ola

    f i

    on

    C

    ,8.7% 0 ,12.2% < ,1 .= d ~

    33%1"'" . 2 l 77-

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    ype

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    i leron , I

    25.07.-

    http:///reader/full/o.a..c.rrhttp:///reader/full/19.37.-4O.0Jhttp:///reader/full/19.37.-4O.0Jhttp:///reader/full/19.37.-4O.0Jhttp:///reader/full/o.a..c.rrhttp:///reader/full/19.37.-4O.0J

  • 8/20/2019 Vintage Airplane - Feb 2008

    28/44

    SIMULT NEOUS ILERON

    DISPL CEMENTS

    WITH

    SSUMED

    DIFFERENTI L

    RR NGEMENTS

    Average different i l

    Extreme di f ferent i l

    Upward

    displace-

    ment

    Downward

    displace-

    ment

    Upward

    displace -

    ment

    Downward

    displace-

    ment

    Degrees

    0.0

    10.0

    20.0

    30.0

    35 . 0

    Degrees

    0.0

    8.5

    13.0

    15.0

    15.0

    Degrees

    0.0

    10.0

    20.0

    40.0

    50.0

    Degrees

    0 . 0

    7.0

    12 . 0

    11.5

    7.0

    Table 1 details th e testing

    of

    the Frise type

    aileron in

    NACA s 7-foot by lO-foot wind tunnel. The authors

    of thi

    s

    report are Fred Weick

    and

    Richard W. Noyes.

    The definition of a Frise type aileron is this: an aileron

    having a nose portion projecting ahead of the hinge axis and

    a lower surface in line with the lower surface of the wing.

    G

    ustav

    Vikt

    or

    Lac

    h

    mann

    While not a member

    of

    the Command-Aire organiza

    tion,

    Dr.

    G. Lachmann had a

    tremendous

    influence on the

    aircraft designed by Albert Vollmecke and

    produced

    by

    the Little Rock firm. A WWI aviator, Lachmann crashed

    his airplane

    into the ground in

    1917 after it stalled. Lit

    tle was known

    of

    aerodynamics

    in

    the early days, and as

    Lachmann

    lay in a hospital

    bed

    recovering from his in

    juries,

    he

    began

    thinking about the

    wings of

    an

    airplane

    and

    what could be

    done

    to improve stall characteristics.

    A stall occurs when airflow over the wing

    is

    too slow or the

    angle of attack of the machine is too high; the air is said to

    burble, drag

    forces

    increase, and the lift generated by the wing

    can no longer support the weight of the craft and it plummets

    to the earth. t low altitude the stall can

    be

    disastrous, because

    the aviator cannot recover before striking the ground.

    Lachmann surmised

    that

    if a wing was

    constructed of

    several smaller wings, separated by

    open

    spaces

    or

    slots

    that ran straight outward from the fuselage and parallel to

    each other, then the air

    would

    flow between the slots

    at

    high angles of attack at low airspeeds. Upon his recovery

    The

    Handley

    Page H.P.39 in 1929. The air-

    craft s remarkable periormance

    can be di

    rectly

    attributed to the

    high

     lift devices designed by

    Gustav Lachmann.

    It was

    Lachmann who

    finally

    patented the

    idea of slots

    and the slotted aileron

    that

    Vollmecke used to make the

    Command-Aire biplane a very stable ship.

    Lachmann was invited to the factory of Frederick Hand

    ley Page

    in

    England

    to

    help develop

    high

    lift-devices for

    the

    aircraft engineers

    intended to enter

    in

    the

    Guggen

    heim Safe Aircraft Competi tion. Handley Page decided the

    solution

    to

    stalls was to lay a slot

    down the length of

    the

    leading edge of the wing, from the fuselage to the wingtip.

    Handley Page

    had

    received a patent for the invention

    of

    slots

    on

    October

    24 1919 and

    slotted wings became a key

    to

    the

    firm's fortunes, as sales of patent rights earned about

    $3.6

    million in

    payments from other builders

    of

    ships.

    In turn, slotted wings led to the

    development of

    flaps for

    wings. Handley Page engineers also performed a number

    of different tests, including a retractable slot called a slat.

    Lachmann, after gaining a

    patent

    for his slotted wing

    and

    aileron design,

    soon

    joined forces

    with

    Handley Page to

    produce the

    H.

    P.39

    Gugnunc

    a one-of-a-kind aircraft

    to

    compete

    in

    the Guggenheim contest in 1929.

    The H.P.39 finished a close second to the winner of the

    Guggenheim

    Safe Aircraft

    Contest

    th e Curtiss Tanager.

    The

    H.P.39

    had a simple wing constructed of wood but was

  • 8/20/2019 Vintage Airplane - Feb 2008

    29/44

    the

    worst, there are houses, barns, etc. In most cases,

    and

    in spite of all instructions and warnings

    to

    the contrary,

    the

    pilot usually makes the famous (or, rather infamous)

    'distress curve,' in order to make

    the

    field . A better way, in

    such cases,

    is

    to fly straight ahead

    and

    take one's chances

    with pancaking or sideslipping

    into

    a garden. In

    the

    curve,

    he feels

    the

    pressure leaving

    the

    controls,

    and the

    airplane

    begins to sink

    and

    sideslip.

    If

    he attempts

    to

    right

    the

    air

    plane

    out

    of its tilted position, he notices that it does not

    respond to

    the

    ailerons and, instead of

    coming out

    of

    the

    curve, begins

    to turn

    more strongly about

    the inner

    wing.

    Finally,

    the

    airplane goes over

    the

    wing or tilts [its] nose

    and begins to spin or plunges vertically down. The altitude

    at the

    disposal of

    the

    pilot is seldom sufficient to enable

    the airplane to flatten out and in most instances the ca

    tastrophe

    is sealed

    by

    str iking the ground.

    :::::::=:;:: j A

    In his research, Lachmann discovered spanwise slots on

    wings

    and

    slotted ailerons improved performance. Lach

    mann

    wrote,

    A

    similar principle is followed in

    the

    simple

    slotted-wing aileron, in which there

    is

    a

    wedge-shaped

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  • 8/20/2019 Vintage Airplane - Feb 2008

    30/44

    AVIATION ORGANIZATON LIST

    Florida Antique Biplane Association,

    Inc.

    Larry Robinson

    10906 Denoeu Road

    Boynton Beach,

    FL

    33437

    561-732-3250

    Email: [email protected] 

    Dues: $48/

    yr.

    Publication: Monthly, The Rying

    Wire

    Florida

    Cub Flyers,

    Inc.

    Larry Robinson

    10906

    Denoeu Road

    Boynton Beach, FL

    33437

    561-732-3250

    Email: [email protected] 

    Dues: $48/yr.

    Publication: Monthly, The Cub

    Courier

    National

    Biplane Association

    Charles W. Harris

    P.O.

    Box

    470350

    Tulsa,

    OK 74147-0350

    91&B6&D75591&B6&D039

    Email: cwh@hvsu com 

    Website:

    www.nationalbiplaneassn.org;

    www.biplaneexpo.com 

    Dues: $25 individual; $40 family;

    add

    $10 foreign

    Publication:

    Bi-Annual

    North American

    Trainer

    Association

    (

    T6

    ,

    T28,

    NA64

    ,

    NA50,

    P51, B25)

    Kathy &Stoney Stonich

    25801 NE Hinness Road

    Brush Prairie, WA 98606

    360-256-0066 or 360-896-5398

    Email: [email protected] 

    Website: www.NorthAmericanTrainer.org 

    Dues: $50 US &Canada; $60 Foreign

    Publication:

    Quarterly,

    NATA

    Skylines

     

    WWI Aeroplanes, Inc.

    Beverly Williams

    PO Box 3235

    Cross

    Cockade

    Bob Sheldon,

    Secretary

    14329 S.

    Calhoun Ave

    Burnham,

    IL

    60633

    708-862-1014

    Dues: $15/yr.

    Publication:

    Bi-monthly

    Eastern

    Reg.

    U.s. Air

    Rac

    ing Association

    Jack

    Dian

    i

    ska,

    President

    26726 Henry Road

    Bay Village,

    OH 44140

    440-871-3781

    International Flying Fanners

    Kathy Marsh

    P.O.

    Box 9124

    Wichita, KS 67277{)124

    316-943-4234, 800-266-5415

    Email:

    [email protected] 

    Website:

    www.flyingfarmers.org 

    Dues: $25/yr.

    Publication:

    6/yr.

    United

    Flying

    Octogenarians

    Bart Bratko

    19 Bay State

    Rd

    Nat

    ick, MA 10760-2942

    334-832-2413

    Email

    :

    [email protected] 

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    www.unitedflyingoctogenarians.org

    Dues:

    $12

    /

    yr.

    Publication: UFO

    newsletter

    (bi-monthly)

    International Deaf

    Pilots

    Association

    Jeff

    Willoughby

    13 Fox Valley Drive

    OFallon, MO 63366

    Website:

    www.deafpilots.com 

    Dues:

    $35/ yr,

    active

    pilots

    Publication:

    yes

    Int I

    Fellowship

    of

    Flying

    Rotarians

    International

    Wheelchair Aviators

    P.O. Box 4140

    Big Bear

    City,

    CA 92315

    951-539-2641

    Email: [email protected] 

    Website: www.wheelchairaviators.org 

    Lake Amphibian

    Flyers

    Club

    Marc Rodstein

    7188

    Mandarin

    Dr.

    Boca Raton, FL

    33433

    561-483-6566, 561-892-3128

    Email: [email protected] 

    Website: www.lakef/yers.com 

    Dues: $59,

    $69

    overseas

    Publication: Newsletter: Lake Ryer 

    National Air Racing Group

    Betty

    Sherman

    1932

    Mahan Avenue

    Richland,

    WA

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    Email:

    [email protected] 

    Dues:

    $15

    for first member

    in

    household ,

    $3 for each

    additional

    Publication: Professional Airracing

    (4-13 times

    per

    year)

    National Association of

    Priest

    Pilots NAPP)

    Mel Hemann

    127

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    Falls,

    IA 50613-1683

    319-266-3889

    Website: www.priestpilots.org

    Dues:

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    Robert Taylor

    P.O.

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    80513

    303-651-6692

    Email: [email protected] 

    mailto:[email protected]:[email protected]:[email protected]:[email protected]:[email protected]:///reader/full/www.nationalbiplaneassn.orghttp:///reader/full/www.biplaneexpo.commailto:[email protected]:///reader/full/www.NorthAmericanTrainer.orgmailto:[email protected]:///reader/full/www.flyingfarmers.orgmailto:[email protected]:///reader/full/www.unitedflyingoctogenarians.orghttp:///reader/full/www.deafpilots.commailto:[email protected]:///reader/full/www.wheelchairaviators.orgmailto:[email protected]:///reader/full/www.lakef/yers.commailto:[email protected]:///reader/full/www.priestpilots.orgmailto:[email protected]:///reader/full/http://ox5pioneers.orgmailto:[email protected]:[email protected]:[email protected]:///reader/full/www.nationalbiplaneassn.orghttp:///reader/full/www.biplaneexpo.commailto:[email protected]:///reader/full/www.NorthAmericanTrainer.orgmailto:[email protected]:///reader/full/www.flyingfarmers.orgmailto:[email protected]:///reader/full/www.unitedflyingoctogenarians.orghttp:///reader/full/www.deafpilots.commailto:[email protected]:///reader/full/www.wheelchairaviators.orgmailto:[email protected]:///reader/full/www.lakef/yers.commailto:[email protected]:///reader/full/www.priestpilots.orgmailto:[email protected]:///reader/full/http://ox5pioneers.org

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    Sentimental

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    Cub

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     sentimentaljourneyfly n com

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    $12/ single, $17/

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    Herman

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    Publication: Bi-monthly

    Ninety·Nines,

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    Laura Ohrenberg

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    Ln.

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    C

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    405-685-7969, 405-685-7985

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    Publ i

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    Vintage Sailplane Association

    Linn Buell

    1709

    Baron

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    Website: www.vintagesailplane org

    Dues: $25/

    yr.

    Publication: Quarterly Bungee

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  • 8/20/2019 Vintage Airplane - Feb 2008

    32/44

    BY BUCK

    HILBERT

    ere

    m

    again

    I ve

    been blesse

    d

    with

    a grea t n u

    mber

    of fr ien ds .

    Aviation, automotive, medical, farmers, and neighb ors.

    I find it mentally inv igorating listen ing to wha t t hey

    have to say, their pet peeves, their litt le tips, jokes,

    and

    idle conversation. Years ago, my

    favorite

    uncle made

    the st

    atement,

    Small talk makes th e world go

    ro

    u

    nd

    Ain't that the truth?

    Well, the websites, e-mail, the telephone, an d th e fax

    machine have all made small talk more like ly th an ever

    before.

    We

    are besieged with information th ese days,

    and

    it certainly widens one's horizons. Here's a case in p

      in

    t .

    With acknowledgements to the author, Bill Vatter, a

    Rolls-Royce Owners Club member, and

    with

    thanks

    to

    the club  s executive director, Tim oun s , here  s our

    take

    on the procedure used by Rolls-Royce to neatly

    secure

    cotter

    pins.

    U)

    z

    o

    0::

    ________________________________

     

    J

    HEAD SNUG

    ALTERNATE

    TO

    SHANK

    Figures 1.

    The only installation

    version shown in

  • 8/20/2019 Vintage Airplane - Feb 2008

    33/44

    ou can't

    buy

    ready-made twisted pins,

    ut they're pretty easy to make. With the

    After the castellated nut has been in

    ead of the

    pin

    held

    in

    a vise, grip the

    stalled, install the pin and tap it with a

    in's two legs with a pair of pliers about

    plastic

    or

    rubber mallet to seat the head

    e bolt diameter in length from the eye

    into the notch of the nut , snug against

    d

    of the pin. Then twist the legs a bit

    the bolt.

    ore than

    90

    degrees. The objective

    is

    have a

    pin

    that

    is

    twisted

    in

    the sec

    that passes through the bolt.

    your

    gonal cutting pliers, and while pulling

    Next cut

    off

    the

    end even

    with the

    rmly to keep the pin's head seated

    in

    far edge of the notch in the castel-

    e

    nut,

    bend

    it around the nut like this.

    lated nut.

    Whatever is

    rightly done,

    however

    humble,

    is noble.

    Henry

    oyce

    One of my good friends and

    fellow

    VAA

    member, Ken Kres

    mery, is a wonderful guy who

    also has

    the

    airplane disease,

    so much so that he is the prin

    cipal mover

    in

    Chapter 790 and

    1414 here in

    northern

    Illinois.

    He's also a

    Ro

    lls-Royce automo

    bile fan. He

    shook

    me up send

    ing me a copy of

    the

    Rolls-Royce

    newsletter, Th e

    Flying

    Lady with

    a note directing me to an article

    on cotter pin installation.

    I l

    ooked

    at it, read it , and

    spent some

    time

    appreciating

    the

    nea

    tness

    of the

    way

    it

    was

    done.

    The

    question

    it raised

    in

    my mind was, Would it be appli

    cab le (legal) to use this method

    on

    aircraft?

    I dug into

    my

    reference library,

    got ou t the mechanic's bible,

    AC-43

    -

    13B, an

    d found only

    one

    paragraph on cotter pin installa

    tion, wh

    ich

    included a

    not

    too

    informative diagram. (Figure

    1

    Not completely satisfied with

    t

    ha

    t

    scant information,

    I

    dug

    a

    little deeper into the Aircraft Me-

    chanics Handbook AC-6SA,

    and

    found wh at I was looking for.

    The process sim ilar to a twisted

    pin is an option and is quite le

  • 8/20/2019 Vintage Airplane - Feb 2008

    34/44

    BY DOUG STEWART

    Kick

    the

    tires

    Part

    I

    A few

    winters

    back I remember

    hearing a client of mine call over

    the

    UNICOM, shortly after

    he had

    taken

    off, that

    the

    airspeed indicator in

    his airplane wasn t working.

    My

    first

    thought was that he probably had not

    checked to see that his airspeed indi

    cator was "alive" prior to liftoff, for if

    he had, he most likely wouldn t be in

    his current predicament.

    But to give him the benefit of the

    doubt, I supposed it was possible (al

    though not

    probable)

    that

    some con

    densation

    might have formed in his

    static lines while

    the

    airplane was in

    a heated

    hangar

    overnight, and now

    that

    i t

    was

    exposed to

    sub-freezing

    temperatures in the winter air, the con

    densate had turned to ice. Since the air

    plane did not have a static line drain, I

    couldn t fault the pilot for not check

    ing that item during his preflight in

    spection. But I had a strong suspicion

    that perhaps this pilot's preflight in

    spection had been

    less

    than thorough.

    I told

    the

    pilot, over the UNICOM,

    Before Flight"

    hanging

    from

    the pitot

    vane on the bottom of the wing. But

    remembering the admonition that folks

    who live in grass houses shouldn't play

    with matches, I wasn t

    about

    to set a

    large fire under that pilot's ego. For I,

    too, had made a similar mistake (that's

    when I learned to be sure to check that

    the ASI is working prior to rotation), and

    I know that if there were to be a gather

    ing of pilots who had all made the same

    mistake, it would require a very, very

    large hangar to hold

    all

    the attendees.

    But this does lead

    us

    to a discussion

    of

    preflight inspections.

    What

    con

    stituted a proper and thorough pre

    flight? What types of conditions might

    ground

    the

    airplane, even if it were in

    a flyable condition? How should we

    proceed if we find a squawk? Is there

    any time when a "kick

    the

    tires, light

    the fires" mentality might suffice? And

    last,

    but

    far from least,

    what

    ramifica

    tions might we expect if we miss some

    thing

    on

    a preflight inspection?

    Let's take a look

    at

    the last item

    to the same type

    of

    denial that I ex

    perienced when

    the

    fuel line broke in

    my Cardinal (described in a recent ar

    ticle) and continued on with his flight,

    all

    the

    while

    rationalizing

    away the

    problem. But unfortunately his C-195

    turned into a glider just 5 miles short of

    his destination when it ran completely

    out of fuel, and in

    the

    ensuing forced

    landing,

    when

    faced

    with the

    choice

    of trying to fly above the power lines

    that were between the airplane and the

    chosen landing

    spot

    or

    below

    them,

    the

    airplane hit some trees

    and

    ended

    up rolling into a ball. Literally Miracu

    lously no one was killed, and the pilot

    and passenger suffered only minor in

    juries. (The way it was discovered

    that

    the

    fuel cap had been ajar was by the

    red stains [remember 80 octane?]

    that

    covered what remained of the wing

    and empennage.)

    The question arises: how did the pi

    lot miss

    the

    fact that his fuel cap was

    loose?

    The answer could

    be one

    of

    many. In my experience I have seen

    caused

    by

    a bystander's innocent "in

    vent

    everyone

    of the scenarios I

    As

    we have seen, missing just one

  • 8/20/2019 Vintage Airplane - Feb 2008

    35/44

    terference," to miss

    an important

    item

    (like a loose fuel cap) . Thus I recom

    mend

    to all

    my clients that

    they tell

    their

    passengers

    that

    if

    the

    passenger

    distracts th

    em during

    their

    preflight

    inspection, it

    might

    very well lead

    to

    their demise. Admittedly this mes-

    sage might be construed as harsh,

    but

    I guarantee you it is effective.

    Other

    distractions

    might not come

    from our passengers, but from the en

    vironment

    or

    perhaps

    other

    operations

    being

    conducted

    on

    the

    airport,

    like

    the

    flyby

    of that

    beautiful Staggerwing

    . (Oops, I

    just got distracted

    from

    writing this article as I visualized that

    wonderful biplane flying by). We have

    to be cautious

    that

    nothing distracts us

    from the critically important job

    of the

    preflight inspect ion.

    Even

    when the

    temperatures

    are

    well below freezing,

    and the

    winds are

    gusting

    into the

    20s as you inspect

    the

    airplane out of doors, it

    is not the

    time

    to hurry

    that inspection.

    We

    have

    to

    be vigilant

    that nothing

    causes us

    to

    rush that inspection. Okay...you prob

    ably

    should

    have

    done the

    inspection

    before you called for

    your

    instrument

    flight

    rules

    clearance, and

    now

    you

    face a void time

    that

    is looming large;

    however, it

    is much

    better

    to

    call flight

    service and let them

    know

    that you

    missed

    the void

    time

    than

    to

    depart

    into the clag with

    something not

    right

    with the airplane. The phrase

    that

    i