UNCLASSIFIED - NASA · unclassified harope) j. walker ... flow causes sewere local bfstwsmnces,...

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UNCLASSIFIED

HAROPE) J. WALKER MATfOMAt. AERONAUTICS AMB SPACE A839IMSSTRAfEOR1 FLZGKf RESEARCH CENTER B.0. BOX 273 EBWAWDS, CALIFORNIA

1. AT YOUR REQUEST THE FOttQbJIPdG I S SUBP4ITTED AS W G L E Y e S INPUT

TO PUBLICITY RELEASE BY EWAWDS ON PROPOSED Fl.I(FiHt DWOPBSmATI;BQS

2. WHEN THE SPEED OF AH AIRCRAFT A P P R M S THE SPEED OF SQWD,

LOCAL REG10MS OF SUPERSQHPC AS8 FLOW BEWELOP ABOUT THE AIRCRAFT,

P B R T I C W B L Y ABOVE THE UPPER SURFACE OF THE W I I G . THSS SUPERSOPPIC

FLOW CAUSES SEWERE LOCAL BfSTWSMNCES, WWtl TECC(Bt1CALLfl AS SHOCK

WNES AND SURFACE BOUNDWRY U Y E I FLOW SEPARATION. THESE BISTUR-

BAICES CAUSE A WbSTAMTIAt LOSS 5 1 FLEGMT EFFICfE ICY, SEVERE

WOULD BE EXPECTED, MOST F L l W OPERATIONS ARE KEPT 8ELOV THE

SP€E@S AT WHICH THESE EFFECTS OCCUR. fQR MOST PRESERT AIRCRAFT,

THESE EFFECTS @CCW AT A W T 80 PEWCENT OF THE: SPEED OF SOW0

(530 MW).

9. AS THE RESULT OF WIND TUNNEL RESEARCH CARRIED OUT AT T H E NASA

W G L E V RESEARCH CENTER OURIMG THE PAST FOUR YEARS, A MEW WING 1 3

SHAPE HAS BEQd BEWELOPED W I C N SUBISVNTIWLLV DELAYS THE WSET OF

THESE AWERSE EFFECTS. I N PARTICULAR, THE WING AIRFOIL, THAT I S

THE CROSS SECTICMAL SHAPE OF THE WING tOQOTIP16 AT I T FWJk-4 THE SEQE,

HAS BEEN DRASTICALLY C W G E O . THIS NEW SHAPE I S REFERRED TO AS

THE MaSA SUPERCRITICAL AIRFOIL.

4. THE USE OF THIS NEW S U N Q C R f T I C A I WIM6 SWFE SMMJLD SUBSTAW-

T IALLY IMPROVE THE PERFOWWCE OF M V M U R E MILITARY aeQD

COWEWCIAL AIRCRAFT. IF THE PERFORPlARIGE RESULTS MEASUREB II W I I O

TUPBBbEtS ARE FULLY ACHIEVE0 fiU FtXGHT, I T G0Uf.D dlLLOlrd N1C;HLY

EFFICIENT CRUISE FLIGHT AT THE SPEEQ OF SUUBTO (69BWPH). A SONIC

TRANSPORT A I R P W E WOULD BE ABOUT 25 PERCENT FASTER T W PlOST

WBSORIIC JET TRANSPORTS PRESERTLV IN USE AND 20 PERCENT R4STER

THAN THE HEW AIRBUSES WW BEIXB BEVELOBEO. THE IHCREASEB SPEED

WOULD REDUCE THE TIZMSCOB~TIME~~TAL NO rab\wtsanAEenc FLIW VXMS

BY ABOUT AH MU@ COb4PABEB WITH THE TIWE REWIRED FOR BRESElT

SUBS@YIC TRAMSPORTS M U ALSO WOULD SIGP4IFECMTi.Y REDUCE THE

FlICWC COSTS, P R I M R f t Y BECAUSE OF THE WEATEW U l I t I Z A T I W OF

THE AIRCRAFT.

5. I T MIGHT ALSO BE ROTE0 THAT A SONIC AIRPLANE WITH THE NEW

SUPERCRITHCAL WING WOULD BE SUBSTAMTIALLY MURE EFFICIENT T W

A CO#BAJ?ABLE SUQERSBNPC AIRPLANE AH0 WOULD MOT PFiOWICE THE WELL

KNOWN SOHIC BOW ASSOCIATE0 WITH SUPERSON EC AIRCRAFT.

6. BECAUSE OF THE DRASICALL'P DIFFERENT MATURE OF THE BE W O W

OVER THIS NEW MNC, HOST COeWIZANT AERONAUTICAL ENGINEERS

BELIEVE THAT THE NEW WING SI.SBUi.0 BE TESTED IM FhlQM ON AH

WI t L BE UNDERTAKEN BY THE NASA SLIGHT RESEARCH CENTER, E W B S ,

CALIFORHIA, IW COWWCTIM\J WITH THE HASA LAMGLEY RESEARCH CENTER,

W P T O N , VIRGINIA, USING AN EXISTEHG MWY F-8U AS A TEST BED.

THE WING M BE TESTED WILL BE SHAPE0 TO SIHULATE THAT OF A SBIIC

TRANSPORT, WWEVfR, THE RESULTS OBT&I lED WILL BE I N b I C A Y f V E OF

SIGNEO/DW. RICHARD T. WHPTCOWB HEW0. %-FOOT TUHNEtS BRBOaCH, FSRO

RTWHITCOMB : aec

cc: Of f i ce of P u b l i c A f f a i r s , M/S 154 Thomas A. To1 1, M/S 403 Research S t a f f O f f i c e , M/S 105

DR. R I C W R O T. WITCQ&4B HEAP, $-FOOT TUNNELS WPrWCH, FSRD 2252

146 TI@ RESULT OF WIRB-TUEVEL I?.FSMCIE CARRIED Obi AT TEE IUSA

LAMGUY WSEARCH C B m UiREm DIE DTRCCTIOR OF DR. RICiLkRfl T.

WlinCOraB PWIEBG TEZ PAST FOUR YEARS, a BE;W WIRG s~ws HAG W ~ E

D E , ~ O P ~ m~cfi S~STAEBTMUY DELAYS THE O E S ~ OF TUBE ADVETKE

W E a S . I F 4 PAFITICUW, WIWG AIRFOIL, BUT IS TEE CROSS

SECTIOPiaAL G W E OF TfeE WfDG LOOKIIIG AT IT ??RON TEE SIDE, U S B B B

D W S T I U Y C I W i G ~ . TfiIS NhX SfUPI;' IS REFERRRD TO AS TEE BASA

SUPERCHITICAL AIRFOIL.

THE USE OF 'Bib Bibl SUPh2CRITICAL MIKG SlWi l4WY SIlmYmll?IBLLY

IMPROVE Ti PERFORMBCE OF W Y HUTtTRL: MILITARY A i i COPWACTfi

AIR-. IF TfB PPERF'OmTCE EfEJGU?'?E,D IH 'G-3IbD TUEdlELE ARE FULLY

ACBIhTED DI FLIGHT, IT COULD ALLOW kIGLEY EPFICLEB3T CRUISE F'LIGET

VERY W 'Pltsr; WEED OF SOW (660 MPli). A W m R T AIRPTME

IICORPORBTING SUCE A '#IPIG MIGHT FLY ABOUT 25 F%XCEm FASTER 'P&W

MOST SUBSONIC J'ET !lTW?SPQRTS PRESEI'iELY EL' USE. TiiE IECREASED

SPEED WOULD REDUCE TflF: TP~SCOlTIWZdTU AND ' I T b W S A l W T f C FLIGESI

TIMES BY ABOUT AN HOUR COWBRED WITIIi THE TIP424 REQUIRED FOR PRFBEIrlT

SUIJSOHIC !BIANZiBORTS ARD &SO WOULD GICPJIFICANTLY REDUCE TEE

FLIGNT COSTS. ALTERHATIVX&H TO PROVIDIEG IlK3?EAS%D SE%W AT THE

8AME AERODYE3MUC I!ZTICLEIGCY, T I 3 USE OF %%E oWFRCRITICAL WING V O W

PERMIT POSSIBLY A %.iICKER 13UT I;OB.ZR tdEICk:T WIUG WICK b 7 O W OPmTE

AT (rPiE SAME EFFICIENCY AS T U C O E P W T I O X f i \ffHG.

BECAUSE OF TBE DRASTICALLY D I m D m NATURE OF TEE UFTLOk' OVER

TUX3 BW \ ~ ~ G , IT IS DESIRABLE TO SURFLBa'$r TI!E COB'l'nJUJXG

'P"UNfaE;L b'TUBIG XTai FLIGHT TESTS, TIIXRF98RE, A FLlGliT IW2STIGATIOE

OF T&E NkV KIHG WILL BE IBDmTmd %Y TiiE EA8B. KIG£:T RWPaCH

CEBTER, EDWABDS, CALIFORMU, 3 3 C O R J U ~ C T I O R %iIT'~ !%a I J X A LAWGLEY

SSEARCH CIUTER, HAMPTOFQ, V I R G I I I A , U P I l G AE EXIsTIEG NAW F-8 AS

A TIST Bm. TPiE L2HG TO BE TESTID UIU Bl SIIWFhD TO Sl3lUMTZ TEAT

OF A 'IR.USFORT, fiOTrc'IsWER, TILE RESULTS OCTBLIREi) I-dILL BE IEDICATl3.B

OF ThE PERFOMCE GAINS ?'O@SIELE FOR PIGIIl 'ER AP:D tX!RfG H R M .

SIGNED DR. RICMRD T. WITCOMB IW, 8-~089' TUBNUS BRAFJCH, FSRD

cc: Office of Public Affairs, M/s 154 Mr. Thomas A. Toll, FSRD, M/S 403

/'

RTWhitcomb : aec 1-17-69

Rewritten: KHCrwnb1y:crnf 1-17-69

N G A 9 13

R R B'OEDlba'S

D E WALANG $ 7 5 0 1 7 2 8 1 9

Z N R UUUUU

R 1719882 JAN 6 9

F M N A S A L A Y G L E Y R E S E A R C H CENTEr? A A Q P T O N V A

T O NASA F L I G H T H E S E 4 R C H C E N T E R t 0 R A l i D S C A L l

B T

1 UNCLAS ATTN HAROLD J. P.'AL#ER

A T Y O U R R E Q U E S T THE F O L L O Y I N G I S S U S M t T T E S

TO P U B L I C I T Y R E L E A S E f3Y EDViASDS 04' P R O P O S E D FLIGHT D E # O M S T ? A T I ~ N

O f N A S A S U P E R C R I T I C A L V I M G .

V N E M T H E SPEEG OF ArV A I R C A B F T A P P R O A C H E S T k E S P E E D OF SOUND,

LOCAL R E G I O N S OF SLIPEFiSOh61C A I R FLOP$ O E V E L O P ABOI IT THE A I R C R A F T ,

B A S T ICULARLY A B O V E THE WING. T H I S S U P E R S O Y I & F L 3 B C A U S E S S E V E R E

t ~ C d r t M - f - 9 W ? 4 e E S , KHUkM T f C M Y I C R L t Y A S SkOCK ~ W ~ ~ ~ ~ E S ~ U ~ - S $ R F I E E - - - - ~

S O U N D A R V L A Y E R FLOR SEPARAf ION. f HESE 9 I S T U R S A N C E S t 4 ~ Y C A U S E 4

S U S S T A N T I A L L O S S I N f L I G H T E F F I C I E N C Y , S E V E R E A I R C R h F T BUFFET l M G

PAGE 2 Y A L A N G 875 UNCLAS

( S H A Y I ? J G ) A ~ D A D V E R S E CHANGES I N S T A F I L I T Y ( T H E C A P A B I L I T Y O f THE - - - - -

A I R C R A F T T O FLY S T R A l G f J T A N D LEVEL). A S W O U L D BE EXPECTED, MOST

S U B S O N I C F L I G H T O P E R A T I O N S ARE KEPT B E L O % THE S P E E D S A T r H t C H

T H E S E E F F E C T S O C C t l R . FOR M O S T PRESENT A I B C R A F T , T H E S E EFFECTS

O C C U R AT A S O U T 8a PERCENT OF THE SPEED OF SOUND ( A P P R O X I M 4 T E L Y

5391 MPH),

A S T H E R E S U L T OF %INO-TUNNEL R E S E A R C H C 4 R R l E t DUT A T T H E N A S A

L A N G L E Y R E S E A R C H CENTER UNDER T H E D I R E C T I O N OF OR. R l C H h R D T,

I I @ H I T C O M B D U R I Y G T H E P A S T FOUR Y E A S S , A N E Y Y I N G S H A P E H A S 3 E E N

DEVELOPEO V H l C H S U E S T A N T I A L L Y D E L A Y S THE O Y S E T OF THESE b,!IVFS?SE

! E F F E C T S . I q P A q T l C U L A R , T H E F ~ I W G A I R F O I L , T H A T I S THE CFiCtSS

S E C T lOqAL SHAPE CF THE D I N G L O O K I N G A T I T F q O Y THE S I D E , H A S S E E M

DRASTICALLY CHANGED, T H I S N E I S H A P E I S REFERREC T 3 AS T H E N ~ S A

S U P E R C R I T I C A L A I R F O I L ,

T H E USE OF T H E NE'ii: SUPERCRITICAL WlNG SHAPE M q Y W U r 3 T f i N T I A L L Y

I M P R O V E THE PERFOSMANCE OF M A N Y F UT!!RE ad l L 1Th.P.Y a H 0 C O b 4 V E R C 1 4 L

A I R C R R F T . iF THE P E ~ F O R ~ ~ A W C E '4EbStl2E3 I R i V i 1 ! 4 t ) T u V Y f L S 4 9 E FyLLY

A C H I E V E D 14 F L I G H T , I T COULD ALLOY; HIGHLY EFF I C l E N T CRt,!rSE F L I G H T

V E R Y NECR THE SPEED OF S3UYD ( 8 6 9 MPh>. A T R A K S P O R T 4 1 R P L A N E

I N C O R P O R A T I Y G S U C H A F I N G M I G H T FLY a 5 3 U T 25 P E R C E % V F A S T E R T M h N

1 PAGE 3 NALANG P75 U M C L A S

~ MOST S U E S O N I C J E T TRANSPORTS PSESE3Tl.Y 1 % USE. T H E iNC?E4SED

I SPEED l O U l D SEDUCE T H E T Z A N S C O Y T INZN?b,L 4 V 3 T R A M S A T L A N T I C Fh t G H T

T I M E S BY A B O r l T A Y HOUR C Q M P A R E D y I T H THE T I M E R E Q U I R E 3 F O R P R E S E N T

SUBSOY l C T R A N S P O 2 T S AND ALSO WOULD S I G N I F I C A N T L Y H E D u C ~ f HE

F L I G H T COSTS, ALTERMAT I V E L Y T O P R O V 1 0 1 WG I B C R E A S E D SPEEQ A T T H E

SAME AERODYNAMIC E F F I C I E M C Y , THE USE OF T H E S U P E R C ~ I T I C A L g; IYG l O U L D

P E 9 b i l T POSSIBLY A T H I C K E R ?,UT L O I E R V E l GHT W l N G r H l C H YWLD O P E R d T E

A T T H E S A M E EFf I C I E N C Y A S THE C O N V E N T I O Y A L WING.

BECAUSE Of T H E ClRAST ICALLY O IFFERENT M A T U R E OF THE h l s F L O n O V E R

T H I S NEW RilNG, I T IS DESIRABLE T O SUPPLElAEYT THE C O N T l N I J I M G R I N D -

TUWIJEL S T U D I E S W I T H f L lGWT T E S T S , THErlEFORE, A F L I G H T I N V E S T I G h T ION

OF THE N E W 9 I N G 3 l L t BE U Y D E R T A K E N 9Y THE H A S F F L I G H T A E S E 4 R C H

CENTER, EDPARDS, C A L I F O R N IA, IN C O N J U U C T 104 w1ITH THE N A S A LAYGLEY

R E S E A R C H CENTER, HAMPTOM, V I R G I N I A , U S I N G AN E X I S T I N G N A V Y F-8 b.S

A T E S T BED. THE r l H G T O Z E T E S T E C R I L L B E SHAPED f 3 S I M U L A T E THAT

O F A T R A N S P 0 9 2 , H O I E V E R , T H E Q E S U L T S C R T A I ! ~ E D a l L t 9E I N D I C A T I V E

OF THE PERF0R"ltANCE G A I q S POSSIBLE FOR F I G H T E R $,ND S T R I K E B I R C R 4 F T .

ZWR UUUUU

P 7 4 1 8 B t Z JAN 69

FtJ NASA F L I G H T RESEARCH C E 4 T E R f3FAff35 CALIF

T O # A S A W Q / N A S & YQS ?ASH 3C

U N C t A S / Y 4 S A HDS A T T Y : wR. @ I L t ! A q POUEROY/R-2 tt x ~ s n L A N G L E Y ~ m w t nu, R I C H C I , S D T I T C O H F , HEAD, s -FOOT T U M Y E L S 2

P R A M C W , COOE FSPQ

THE F3LtCFlNG RELEASE H A S ?EEM t P P R 9 Y E 3 ? Y T TWE F L I G H T R E S E A R C H

CEr\lTER 0% THE SUPERCRITICAL F I Y G * $2 8 E ~ l l f S T YOU2 APPRRVAL, WE

9frUln L I K E T O 4 L S O R E L E A S E \ t ? X L A S S I F i E 9 ? S A K I Y E S I?F THE F-'s A Q O WING.

q L S B T9 F L IGHf f E S T SUPEqC4 I T I C A t YIKG THE l 4 A T t 3 Y 4 L A E U ~ ~ ~ U T I C S b % 3 SPIIZ: A ~ M ~ ~ I S T R A T I O U I L L E V A L U A T E T W -

POTENT l A L OF C NEY! % l % S SHAPE T H A T C9UL.S S U S S T A N T I A L L Y IMPROVE THE

I PERFOSVANCE 4 N C E F F I C I E V C Y 3F FuT' t r t iE h l R C R A F f . THE: F ' I H G , C A L L 5 2

JET f IGHTER A 1 R C R A F T .

T H E S r J P E R C ! 4 I T l C A t R I N G @ A S D E V E t O P E f ) A T Y A S A ' S LANGELEY R E S E h q C H

PAGE 7 1 0 & D % S i ? l d Q UNCLAS H

R Y 9 R m R I C H A R D T . E l T C 3 M Z 3URIRG THE P A S T F O U R Y E A R S . T H E Y I N G 4

U T I L I Z E S A Nf;? . I?IRFOfL SHAPE 'rc' lTf i l A FLAT T O P A Y D OOFht?A;tD CURVED R E A R I

S E C T 10% A S D P P O S E 0 T O THE C U S V E O T O P A Y D S L O P E D SEAR S E C T I O N OF 4 I

J vmullr L C 7

if T Y E PERFC)RldAk!CE bk[EASC!RFD fib 4%. ?;* . - + S y I % C f ~ ? l N E t T E S T S

IS f U t L Y ACHIEVED I N f L I G W T , THE WE% p . l R F O 1 I . SHAPE COULD A L L O F HIGf4I.Y I

E F F I C I E N T C R U I S E FLIGHT Y E A R THE SPEEO OF SOUYD, A P P R C X f U 4 T E L Y 4 6 8 ..

I M P H AT A C R W f S I Y G A L T f T U D E OF 4 - 5 , ~ W b FEET. A T S B Y S P O ~ T 4 l S P h R X E 174,

i CDSPORATIHG S U C H A alYG M I G H T FLY A S MVSCW AS 9 5 PER C E N T F b S T E 9 T H A V

MOST PRESEVT-BAY SIJSSCQI C JET T R 4 f f S P 3 R T S ,

1 V A D O I T I O N T Q THE 13CREASE 1Y C R t f l S f SPEED, T H E RE@ t l N G C C ' t l t ?

S I G Y I P ~ C A N T L Y R E D U C E THE C O S T OF SUCH F L I G H T S , S E C A r l S f T H E A I R C R A F T

COULD C R U I S E F A S T E R O N THE SAME. 4 M O U % T CF FUEL USf iGE, I T IFUl.3 3t:

P O S S I B t E : T O E l T Q E R l Y C R E 4 S E THE R A V G E 33, C A R R Y L E S S Ftl", L X f : M 3 R E

t H E V THE SPEED BF €ibJ 4 l R C 8 A F T APPROACHES T H E SPEEC: 3F SOUM9, I

R E C J O Y S CIF H I G H SCIPERSII?JlC h l R F L O n DEVELOP A l O C T THE A l S G R A F T W A V t Y f ; ;

48PVE THE K f V C W V O ChUSES S E V E R E LOCAL rSISTUWPIAXCES, KCiOVlp'Y T C C F ) % ! C 4 L L Y

PAGE 3 IOEObS B % l 6 uIJCL AS

A S SHOCK %AYES A B D S U R F A C E POUY3ARY LAYE2 i L b f @ S E P h R A T I g Y . T H E S E I

I

I I

D I S T l t Q 2 A N C E S C E q CASUE A S t ! f ? S T A M T f & L L O S F 1 % F L I G H T E F F I C I E N C Y ( I N , , i 1

I C R E A S E 1 % D R A G ) , S E V E R E 191?l;P4FT r - IUFFETIQC ( S N A K I M G ) , &*4S A D V E P S E

-- f 9 PLY q f Q A !CctT k*?* t F # 6 [ \, N n b U & l - ) _ Y q % ? A C T R D F C F # T 7 . ? 4 Y ? * g D c f l a l t C ftmyf -- - - -

I O P E R A T t B % S A R E KEPT B E L O % THE SPEEDS ttT CgtCt.! T H E S E EFFECTS Tb.tr.E P L 4 C E .

1 T C R %?ST S ~ ~ B S O N I C J E T T ~ A U S P ~ F T A I R C R A F T , T H E S E E F F E C T S O C C U R I I

F E E T .

THE YOST % I B E L Y USE? 4 E T H O C T O D E L A Y T H E 9 1 S E OF THE D R A G F O R C E A W O O N S E T O f T H E SUFf & T I S J O S F E E P THE alt4ES OF TkfE AIRCR4fT. AOVEVER,

I

E X C E S S I V E W f V C $%EEL C A V C A U S E A Y U @ B E R OF PRDBLEkdS R E L A T I F - G T 9 THE I

I

S T A A S 1 I ' f Y AN3 C O Y T R Q t OF THE A I R C R A F T A Y 3 A REOVIRE;AENT F D R L O % G f ? I

T A K F - O F F AN3 L A Y D I N G D I S T A N G E S .

THE S U Q E R C R I T l C A L F1NC SHAPE Y A S BEEN $ E V E L O P E 3 T O S U B S T A Q T l b t t ' r ' I

DELAY THE O V S E T Of T H E S E A D V E S S E EFFECTS. I T I S D E S I G H E D T9 R E O U C E THE

I N T E 4 S I T Y OF THE A I R F t b # S I S T U R S A H C E S A T THE H IGHER SPEESS 9 Y R E D U C I N G

CHANGEI TOGETHER R I T H T H E 00#hlPAR3 CLIRVATU3E A T THE R E A R PORT 10% I

PAGE 4 R O E O W S 8W86 U Y C L A S

OF THE 8 I N E %HICh SUPPLIES THE L I F T L G S T t 9 Y f t A T T E $ l b - i C T Y E F O R Y A f a D

P Q R T I O N , I N C R E A S E S THE B A S I S S P E E D OF THE A ~ R E ~ ~ F T A T bHlCH THE B R A G 1

RISE A Y D BUFFET S E E I M S T O T A # E PLACE b & D , T H U S , ~ E S U L T S I N 4 M O R E I

S F l ' l G l E Y T Pl*!G f 9 3 C R U I S E *

B E C A U S E OF THE !??&ST I C A t L Y SIFFERENT Y R T U 9 E CIF T H E A f R F L O Y Z V E R TdE

S U P f R C 9 I T I C A t )IN$, I T I S " I 1 C C S S A R Y T 0 S!lPPt.EhACbiT T H E t 4 ~ I H ' 3 t T t l H N E t

S T U O I E S ? l T H F L I G H T E V W L U 4 T I O N S . T Y E F L I G H T P R O G R A M f ILL U S E A Y F - 5 JET

A I R G R A F T M A D E AJAILAE?LE T C P i h S A ' S F L I G Y T $ E S f A R C H C E N T E R = Y THE U.S.

U A V Y . THE 4 l q f R A F f wilt ?.t: MOr!lFIEn E Y S E P L A C I N E T Y E q 4 S I C FINC # I T H

A SUPEqCBIT IGAL PIMG A V ~ OTHER k4IhIMUM C q h Y C E S . T!4E w l Y C Tq SE TEST;?

WILL BE SHAPED T O SlU!.!LATE A FIYG I t d T E $ l t E ? FOP USE 3% b C % 4 M E i Z C l 4 L JET

T R A Y S P 9 R T . HOWEVERt T H E S E S U t T S b 3 T A f N C C P I L L B E I V D I C A T I V E ?F T H E --

PERTbRl€E G A l 9 S P6SS19LE FOR FUTilRC V I L t T A R Y ~1~Cqrn-T

REGUESTS fQQ PROPOSALS 10 PEPFORM T H E M O O I F I C h T I O Y * O q K W I L L SQO?!

BE ISSUE9 9 Y U A S A ' S FL lCHT R E S E A Y C H CEYTEI?.

THE P R I W h R Y O B J E C T I V E OF THE f L I G W T PR369WM W I L L BE TC? O E M O & S T W & T E

IN F L I G H T THE FULL P O T E M T lilt OF T H E S l t P E 3 C R I T I C A L !YlfJG, OTHER C P J E G T f V E S

tNCLObE:

1. VAL t 9 d T 10% OF B R E S f R T DESIGN ~ E C W N 1 2 U E S A V O P3OVISlOK F3R

SPCClF IC D I R E C T I ON F a ? F U R T H E R t ' . l % D 7 T U N Y E t R E S E 4 9 C M t L E A D I Y G

PACE 5 @9kD$S J C l h L! %CL9S

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