ULA Presentation

8/12/2019 ULA Presentation

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Focal PointUltralight Aircraft Design Philosophy

C o u r s e : E l e c t i v e S t u d y

A s s e s s o r : E v a Wi n d b a c h e r - S c h w a g e r

P r e s e n t e d b y : K h a n d o k e r R a i s u l A z a d

D a t e : 3 0 - 0 1 - 2 0 1 4

Ultralight ircraft Design Philosophy


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Overview

BackgroundResearch AreaMethodsProcedureDesign Steps

Assembling PhilosophyResults and EvaluationConclusion and Outline



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DefinitionBritish Micro light (1 or 2 Seats) 300 to 450 KgCanada Ultralight (1 seat *Basic & 2 Seat *Advance) 165 to 195 Kg

American Ultralight (Only one seat) 115 Kg *No Reg. & License needed*

FAA Under 103 regulation with limitations.

EASA Very light aircraft under CS-VLA (Max 2 seats) Max T-off Weight 75

ltralight ircraft Design Philosophy


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Background

Get acutance with aircraft design.Aviation safety concern.Prospect of Master thesis.Rocketing market.



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Research Area


Philosophy which ignite the passion of Ultralight a/c design.

Design steps jurisdiction.

Factors effecting design performance .

Relate philosophy with the projection of Design.

Find out the cost effective way.


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Method

Identify theKey factors

HistoricalData

LiteratureReview

Consultationsand

Discussions

Software XFLR5 Martin Hollman

aircraft Software Raymer Software



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Procedure

3. Apply themto existing

design.



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Design Steps

Requirements

InitialDrawing

WeightCalculations

EngineSelection

AirfoilSelection

WingSelection

TailGeometry

FuselageSizing LandingGear Design

ControlSurfaceDesign

AircraftPart

Placement

Re-calculationof Weight

PerformanceAnalysis

StabilityAnalysis

DetailDrawing

Prototype

NO



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Assembling PhilosophyFuselage

Engine

TailPlane

Wings

LandingGear



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Results & Evaluation1. Testifying the whole methods by applying them to different a/c.

P96 GOLF 80

DF 2000

YUMA (STOL)

Allegro 2000

SAVANNAH

2. Testifying by applying them to new a/c.


New Designed Ultralight AircraftEmpty weight 1922 N Wing Span 6.80

Aircraft Length {m} 4.56 CLmax 2.18

Max speed {km/h} 136 Max rate of climb {m/s} 4.70

Cruising speed {km/h} 116 Take off run {m} 55

Stall speed {km/h}flaps up 46 Landing run {m} 50


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Conclusion and OutlookDesign philosophy isplaced in factual order.

Presented the design

philosophy in moreinteractive way.

Unconvinced

equations found butgood for predictions.



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Q & A Session



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Documents

ULA Presentation