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Page 1: CD coJ - DTIC · coJ. UNCI-,\SS I F I I'D,ECURITY CLASSIFICATION (. F THIS PAGE (When Itw, f'rtered) REPORT DOCUMENTATION PAGE READ INSTRUCTIONS IE,OF R(EPORETN( NUBIHRMV REPORT NUMBR

EvwL

CD

coJ

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UNCI-,\SS I F I I'D

,ECURITY CLASSIFICATION (. F THIS PAGE (When Itw, f'rtered)

REPORT DOCUMENTATION PAGE READ INSTRUCTIONSIE,OF R(EPORETN( NUBIHRMV

REPORT NUMBR 12 GOVT ACCESSION NO. 3. RECIPIENTS CATALOG NUMBER

11"CHINICAL MEMOIRANDUM NO. 74-1,2

4. TITLE (nd S.nbtitie) S. TYPE OF REPORT & PERIOD COVERED

LWL GRIDS FOR PRODUCT IMPROVEIMENT TEST OF Tech Memo for Period

LWI, FUEL TABLET 5 June 1973 - 7 Sept 19736. PERFORMING ORG. REPORT NUMBER

7. AUTHOR(s) 8. CONTRACT OR GRANT NUMBER(S)

Frederick M. DrakeEnviroment and Survival Branch

9. PERFORMING ORGANIZATION NAME AND ADDRESS 10. PROGRAM ELEMENT. PROJECT, TASKAREA & WORK UNIT NUMBERS

US Army Land Warfare Laboratory

Aberdeen Proving Ground, MD 21005 LWL Task No. 09-S-73

II. CONTROLLING OFFICE NAME AND ADDRESS 12. REPORT DATE

April 1974

13. NUMBER OF PAGES

8

14. MONITORING AGENCY NAME & ADDRESS(If different from Controlling Office) IS. SECURITY CLASS. (of this report)

Unclassif ied5a. DECLASSIFICATIONDOWNGRADING

SCHEDULE

16. DISTRIBUTION STATEMENT (of this Report)

Approved for public release; distribution unlimited

17. DISTRIBUTION STATEMENT (of the abstract entered in nlock 20, if different from Report)

18. SUPPLEMENTARY NOTES "I

TECHNICAL LIBRARYBLDG. 305

ABERDEEN PROVING GROUND, 9IDSTEAP -TT

19 KEY WORDS (Continue on reverse side if necessary and identify by block number)

Grids, HeatingFuel TabletsHeating Combat Rations

20. ABSTRACT (Continue on reverse side if necessary and identify by block number)

The US Army Land Warfare Laboratory developed an experimental heat tablet of

acetal resin for heating combat rations. To use this new fuel source effi-

ciently and provide a support for the ration can or canteen to be heated, the

LWL grid was developed. The grid was designed to give a one inch standoff

between the ration can stove and the food can or canteen cup being heated.

Field evaluations of the grid were generally favorable, although some comments

by the users indicated the standoff height of one inch was too much. TheCON'T

DD IN 7, 1473 EDITION OF I NOV 65 IS OBSOLETE UNCLASSIFIED

SECURITY CLASSIFICATION OF THIS PAGE ("hen Data Entered)

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UNCILASSTFIL0SECURITY CLASSIFICATION OF THIS PAGE(W*hon Data Entered)

BLOCK 20. ABSTRACT CON'T

US Army Land Warfare Laboratory was asked to provide LWL fuel tablets and

grids for a scheduled Product Improvement Test by US Army Test and Evaluation

(Comnand. Since a large quantity of grids would have to be procured, a

decision was made to modify the grid and reduce the standoff height from one

inch to one quarter inch. This report describes the modified LWL grid. More

detailed background is available in Technical Memorandum No. 71-02, "Improved

Ration Heater and Fuel Tablet."

ivUNCLASSIFIED

SECURITY CLASSIFICATION OF THIS PAGE(When Dote Enterod)

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I)H'SCR IPTION

A method was developed by USALWL where a combat ration can could be convertedto a serviceable ration stove by use of a single grid. The grid was developedto be used with the LWL fuel tablet, although Trioxane fuel can also be sub-

stituted.

The grid is fabricated from C1018/C1020 mild steel, .0239 inches thick. The

grid is die stamped to the configuration shown in Figure 1, then folded flatfor ease of packaging and carrying. To use, the open end of the grid is

spread to conform to the diameter of the ration can stove. Appropriatenotching and tabs provide a stable positioning of the grid on the can stoveto support a canteen cup or a ration can of food. The one quarter inch stand-off between the stove and the canteen cup permits a flow of air to the fuelfor combustion and acts as a chimney, to release the products of combustion.This grid is essentially a throw-away item but can be reused a number oftimes. Directions on method of using the grid are shown in Figure 2.

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1

E "0

LWL

2k

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LWL FUEL TABLET

FUEL TABLET GRID

DIRECTIONS

Cut holes in small "C" ration can as shown, using can opener,knife, or bayonet. Holes must be approximately 1/2 inch abovethe bottom of the can to retain melted fuel. Place fuel unit(two tablets joined to form an X shape) in can, light a matchand drop into the hole in the center of the tablets. Opengrid and place on can as shown in diagram. It requires 3 to4 minutes for the fuel to reach a maximum burning temperatureand the fuel will continue to burn for another 7 to 10 minutes,depending upon wind conditions.

Aluminum foil, shaped to form a dish capable of retaining themelted fuel, can be used in place of the ration can.

NOTE: The fuel tablet will not flare up and therefore will notburn the user's hand.

Figure 2. Directions for Use of Grid

3~~~~ I~,x~M BIRARYnoDG "05

ABMDELi, pROVING GROUND, WSTLA2-TL

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PRODUCT IMPROVEMENT TEST

At the request of US Army Natick Laboratories, the US Army Test and Evalu-ation Command (TECOM) scheduled a Product Improvement Test of Fuel Tabletand Grid, TECOM Project No. 8-EI-215-000-001. Testing began 30 September1973 and is currently being conducted at the US Army Arctic Test Center, theUS Army Tropic Test Center, and by the US Army Infantry Board, Ft Benning,Georgia.

The US Army Land Warfare Laboratory supported this effort by providing50,000 LWL fuel tablets and 5,500 LWL grids. Results will not be availableuntil completion of the Product Improvement Tests.

CONCLUSION

The Product Improvement Tests are still being conducted by TECOM. SeeTECOM Report for Project No. 8-EI-215-000-001 for results of the Tests.

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DISTRIBUTION LIST

Copies

Commander 1US Army Materiel CommandATTN: AMCDL5001 Eisenhower AvenueAlexandria, VA 22333

Corx iiander 3US Ariy Materiel CommandATTN: AMCRD5001 Eisenhower AvenueAlexandria, VA 22333

Commander 1*US Army Materiel CommandATTN: AMCRD-P5001 Eisenhower AvenueAlexandria, VA 22333

Director of Defense, Research & EngineeringDepartment of DefenseWASH DC 20301

Director 3Defense Advanced Research Projects AgencyWASH DC 20301

HQDA (DARD-DDC) 4WASH DC 20310

HQDA (DARD-ARZ-C) 1WASH DC 20310

HQDA (DAFD-ZB)WASH DC 20310

HQDA (DfiiO-PLW)WASH DC 20310

CommanderUS Ar y Training & Doctrine CommandATTN: ATCDFort Monroe, VA 23651

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CommanderUS Army Combined Arms Combat Developments Activity (PROV)Fort Leavenworth, KS 66927

ConmanderUS Army Logistics CenterFort Lee, VA 23801

CommanderUS Army CDC Intelligence & Control Systems GroupFort Belvoir, VA 22060

TRADOC Liaison Office1IQS USATECO!Aberdeen Proving Ground, ID 21005

ComanderUS Army Test and Evaluation CommandAberdeen Proving Ground, iD 21005

CommanderUS Army John F. Kenned, Center for Military AssistanceFort Bragg, NC 28307

Commander-I n-ChiefUS Army PacificATTNJ: GPOP-FDAPO San Francisco 96558

CommanderEighth US ArmyATTIJ: EAGO--PAPO San Francisco 96301

CommanderEighth US ArmyATTN: EAGO-FDAPO San Francisco 96301

Commander-In-Chief 4US Army EuropeATTH: AEAGC-NDAPO New York 09403

Commander 1US Army AlaskaATTN: ARACDAPO Seattle 98749

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CommanderMASSTERATTM: Combat Service Support & Special Programs DirectorateFort Hood, TX 76544

Commander 2US MAC-T & JUSIIAG-TATTN: IACTRDAPO San Francisco 96346

Senior Standardization RepresentativeUS Army Standardization Group, Australiac/o American EnbassyAPO San Francisco 96404

Senior Standardization RepresentativeUS Army Standardization Group, UKBox 65FPO NJew York 09510

Senior Standardization RepresentativeUS Army Standardization Croup, CanadaCanadian Forces !!edquartersOttawa, Canada KIAO'2

DirectorAir University LibraryATTI: AUL3T-64-572Maxwell Air Force Base, AL 36112

Battelle Memorial InstituteTactical Technical CenterColumbus Labiratories505 King AvenueColumbus, Oil 43201

Defense Documentation Center (ASTIA) 12Cameron StationAlexandria, VA 22314

Cornander 2Aberdeen Proving GroundATN: STEAP-TLAberdeen Proving Ground, 11D 21005

CommanderUS Army Edgev.od ArsenalATTN: SIUEA-TS-LAberdeen Proving Ground, MD 21010

7

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US Marine Corps Liaison OfficerAberdeen Proving Ground, N1D 21005

Di rectorNight Vision LaboritoryUS Army Electronics Cor:lrindATTi: AM1SEL-IJV-D (1.1r. Goldberg)Fort Belvoir, VA 22060

CommanderUS Air Force Special Coniunications Center (USAFSS)ATTN: SURSan Antonio, TX 78243

ComanderUS Arr-y Arr,:ient CowandAT'rti: A.SAII-ASFRock Island, IL C1201

8