heinkel he 64 c sport airplane (german)

8/6/2019 Heinkel He 64 C Sport Airplane (German)

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A IR CR C I BO . 175

He 64 c SPOBT AIRPLAXI (A Two-Seat Low-Wing C a n t i l e v e r Monoplane

The E r ns t He inke l A i r c r a f t C o r po r a t i on , o f Warnemdnde,Germany, i n produc ing t h e Re 64 l i g h t a i r p l a n e , h a v e de-s ig ne d an a i r p l a n e w i t h p a r t i c u l a r r e ga r d t o the compe t i -t i o n r e q u i r e m e n t s o f t h e 3d I n t e r n t z t i a1 Tour ing Contes t ,1 93 2, i n c o n s i d e r a t i o n of wbich t h e f o l l owing i n f o r m a t ioni s o f p a r t i c u l a r i n t e r e s t .C on t r a r y t o a l l p r e v i o u s E ur op ea n c o n t e s t s , t h e l a s tyear has shown a r e ma r ka b le i n c r e a s e i n h i g h s pe ed s.FJiiile i n t h e y e a r 1 93 0 t h e f a s t e s t a i r p l a n e d i d n o t s h owmore th&n a b o u t 125 m i . / h r , (200 k m /h ) , t k e l a s t c o n t e s thas brough t speeds up t o more t h a a 1 5 0 ni i . / i f i r .Even before t h i s c om pe t i t i on , one had f o r e s e e n h ighe rs pe e ds , a nd c ons e que n t ly t he r e gu l a t i o ns ha ve p r ov ide d af l y i n g t im e o f o n l y s i x d a y s i n s t e a d o f twe lve days as i nf o r m e r c o n t e s t s f o r t h e s aue pa c e o f a b o u t 4 , 7 0 0 m i l e s

(7 ,500 km) . S owever , t he s e e x pe c t a t i o ns ha ve bee n g r e a t -l y s u r p a s s e d bg t h e X ein kel a i r p l a n e s , i n f l y i n g o ver t h ewhole O i s t a n c e w i t h i n t h r e e d a y s only.

(240 km/h),

I n accordance w i t h t h e i d e a o f .producing a ge ne r a l -p ur po se s p o r t a i r p l a n e , a p a r t f r o m a r a c i n g ty p e , t h eg r e a t e s t a t t e n t i o n w a s p a i d t o s a f e t y and c o n f o r t , and i t


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2T h e a i r p l an e i s a two-seat c a n t i l e v e r lorn-wing mono-p l a n e o f wooden const ruct ion .

F u s e l ageThe fu se lage has an o v a l c r o s s s e c t io n a n d a s em i c i r -c u l a r c a b i n s t r u c t u r e of good aerodynamic de si gn . The fu -s e l ag e s t r u c t u r e c o n s i s t s o f bulkheads and longerons cov-e r ed w i t h . t h r e e - p l y , i n w hic h s p e c i a l d o o r s a r e p r ov i de dt o f a c i l i t a t e an e a s y i n s p e c t i o n o f t h e i n s i d e o f t h e fu -

se lzge . The s t e e l t ube eng ine mount ing i t a t t a c h e d t ot h e f i r s t bulkhead , which i s f i r e p r o o f , and ru bb er b u f f e r s ,a re f i t t e d t o p r e v en t e ng in e v i b r a t i o n f r o m b e i n g t r a n s -m i t t e d t o t h e r e s t o f t h e a i r p l a n e . The o i l t a n k s a r e i m -m e d i a te l y b eh in d t h e f i r e p r o o f b ul kh e ad , I n t h e p i l o t sc o c k p i t i s an a d j u s t a b l e s e a t , f i t t e d w i t h a r m r e s t s , andalso a ve ry wel l -equipped ins t ru me nt board , The coamingbeh ind the p i l o t i s occupied by a n a d d i t i o n a l o i l tank.The second coc kp it i s f i t t e d w i t h d e t a c b a b l e d u a l c o n t r o lw hich can b e ea s i l y d i s co n n ec t ed by t h e p i l o t . The p a s-s e ng e r t s s e a t , l i k e t h e p i l o t a s , i s a d j u s t a b l e .

IPingsThe s i n g l e - s p a r t r ap ez o i d a l - s h a p ed w i ng s a r e b u i l tup e n t i r e l y of w o o d an d a t t a ch ed t o t h e c e n t r a l p o r t i o n bymeans o f b o l t s .For l i g h t a i r c r a f t i t i s v e ry d e s i r a b l e t o b e a b l e t o

f o l d t h e w i n g s b ack ea s i l y and q u i ck l y , and t h i s r e q u i r e -ment has b een ach i ev ed i n t h e Be 64 c b y t h e o p e r a t i o n o fes t h e w i n g s t o b e f o l d e d i ngs, 5 and 6,) This has a l s othe conven t i o t a t t h eI d b e o m i t t ed ee reduced t o l e s st e d raith automat ictbe use of t h e s elow l a n d i n g s p e e d a n d s t e ep c l i m b i n g an g l e h ave b een ob-t a i n e d , (Figs. 7 and 8,)A lt ho ug h t h e s l o t t e d v i n g i s now v e r y well, known ,

t h i s i s the, f i r s t a p p l i c a t i o n of t lae device t o an a i r p l s n ew i t h a s i n g l e - s p a r wing ,


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B.A.C.A. A i r c r a f t Circular Bo. 176 3

The c o n s t r u c t i o n o f th e t a i l u n i t i f 3 s i m i l a r t o tha to f t h e mai n w in g, b e i a g e n t i r e l y o f wood, c ove red wi tht h r e e-p 13~.TPhe c o n t r o l s a r e o p e r a te d i n t h e usua l nay , by meanso f t h e c o n v en t i o n al s t i c k a ad r u d d e r ba r . T h e a u x i l i a r yc o n t r o l s t i c k i n t h e o b s e rv e r ' s r o om can be e a s i l y removedo r blocked f r o m t h e p i l o t ' s s e a t .

Landing GearE ie l a n d i n g g e a r i s braced by s t r e a m l i n e t u b e s, v h i c hi n s u r e t h e a d v a n t a g e o f q ui ck i n t e r c h a n g e a b i l i t y , A com-bined oleo-pneumatic shock ab sor be r has been incorpora , ted ,The w hee ls a r e f i t t e d w i th 600 by 100 wm (23.62 by 3 . 9 4 ' i n . )t i r e s a i d w i t h br a ke s ope r a t e d by a hand leve r . A r u j b e r -s p r i n g t a i l s l i d i s prov ided .

TPhe a i r p la n e can be f i t t e d w i t h e i t h e r o f t h e f o l l o w -i n g e ng ine s : 150 hp Ar gus , o r Gipsy 111, as w e l l asH i r t h , T he a i r g l a ne s o f t h i s t y pe u se d i n t h e i n t e r n a -t i o n a l Eurog ean f l i g h t , w ere f i t t e d w i t h the new A r g u s As8.2 engine hav ing a maximum output of 1 6 0 hp. Tie eng inei s rnoilnted i n th e no s e a n d h as a f a i r l n g of l i g h t m et al .TPbe f u e l supp ly i s e f f e c t e d b~ engine-driven pumps.Safety Devices and Xquipment

Apart f r o m t h e s l o t t e d w in g, w hi ch w i l l g i v e a d d i -t i o n a l s a f e t y i n i t s e l f due t o t h e slow l a nd ing s ? e e d ,t k e a i r p l a n e has been equi2ped w i t h a11 node r n s a f e ty de-v i c e s , s u c h as f i r e e x t i n gu i sh e r s , s w i i o m i a g j a c k e t s , p a r -a c ii u te s, m ed ic in e k i t , s a f e t y b e l t s , co mp le te i n s t r u a e n tboa r d , f i r e p r oo f dope s , e t c .

A remarkably g o o d c onne c t i on B etween p i l o t a nd pa s-senger b as been accompl i shed by th e ins ta f l aO io n of at a l k i n g tube.


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4

Dimensi on8 :SpanLeng th

SPECIFICATIONS

9,80 m 32.15 ft.8.31 11 27.26 I'

H e i g h t 2.06 It 6.76Areas :

V ia g, w i t h a i l e r o n s 13.00 m2 139.93 sq.ft.A ero dy na mic l i f t i n gsur f a c eF i n

14.40 It 155.00 10.318 m2 3.42 tf

Bud .er 0.464 'I 4.99Ver t ica l en ipennage 0,782 I t 8.42 ''S tabi1i e rElevator

0,964 I' 10.38 It0.802 1' 8,63 If

Horizontal exapennags 1,766 If 1 9 .0 1 "A i l e r o n s (2 X 0.486 z2) 10.46 If

Char a c t e r i st c s :D h d al 4**

AnrF4n a d e,

P r o p e l l e r v a r i a ' 3 l e - p i t c h


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I i . A .C .A . A i r c r a f t Circu la r No. 1 7 5 5

V e i g h t s :Empty 450 kgT i l o t a n d p a s s e n g e r 160 kgO i l f o r 3 h o u r s 1 5G a s o l i n e f o r 3 h o u r s 9 5 ' 1h g g a g e and p a r a c h u t e 30 11T o t a l l o a d 300 kgP e r m is s ib l e f l y i n g 750

Per fo rmances :

992 lb.3 5 3 l b .33 "

209 It66 11

6 6 1 lb.1,653 If

The f o l l o w i n g f i g u r e s h av e b ee n re a ch e d a nd o f f i c i a l l ym e as ur ed i n t n e 3d I n t e r n a t i o n a l E u r o p e a a!+!axim u m sp e edLanding speed 52 11Climb t o 1 ,000 m ( 3 , 2 8 0 f t . ) 4 min.Range 900 k mT f ng l o a d i n g 5 7 ,7 kg /maPow er 1 a d ing 5.0 kg/hp

245 k m / hC o n t e s t .

152.2 rni . /hr .32.3 114 m i n .

559 mi l e s11 .8 Ibm/sqr'ft .11 lb . /hp

O u t s ta n d in g F e a t u r e sA s p e e d r a n g e o f One t o Four i s an ach i evemen t neve r

b e f o r e r e a c h e d o n a n a i r c r a f t o f t h i s t y p e . Sxch a speedraslge i s , inde ed e x c e l le d only by t lne Sc l i i le ider Cup r a c e r s .A m a x i m u m l i f t c o e f f i c i e n t of a b o u t 1.5 m a s o b t a i n e dby s e v e r a l p i l o t s du r in g th e t e c h n i c a l t e s t s f o r t h e " B u r o -p a Rundflug1I on the He 64 c a i r ;> l ane , From wind--tunnelt e s t s a m a x i m u m l i f t c o e f f i c i e n t o f abou t 1 .25 was e q e c t -ed aiid t h e i n c r e a s e a bo ve t h i s f i g u r e seems t o be clue t ot h e s l i p s t r e a m e f f e c t .


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W.A.C.A. Airc ra f t Circular No.175

SpanLengthHe igh

Areas:9.80 m (32.15 f t . ) Wing 14;4 28.31 m (2'7.26 f t . )2.06 m ( 5.76 f t . ) Ailerons .972 m2S t a b i l i z e r .964 in2Eleva to r .802 m2

(155 s q - f t . )(10.46 sq.ft.)(10.38 sq . f t . )(8.63 sq.f ' t .)

. -c_--- - ---- -

(2.42 s q . f t . ).464 m2

(4.99 sq- f t . )

FromDie LuT tw a c h tarid

Maxf ac t u r e r spanpiile t .

The A r g u sAs.8.Bengine.

___-----

Figure 1 - General arrangemext draivings o f the Xe .64cai r2 lane .


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N.A.C.A. Aircraft CirculaT No.175 Figs. 2,3,4,7

Figure 2.- The l a t e s t Heinkel He.64~ onop lane . T Z& ~ /

,Figure 3.- A three-quarter rear view of the Heinkel He.64~.

Figure 7;-A take-offdemon-strationof theHeinkelHe.64~.Noteliftlottedtrailing f lapsedge of downand a l lopen.slots

L- rom " F l i gh tw


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N.A.C.A. Aircraft Circular No.175 Figs. 5 ,5 ,8

Figure 5.- He.64~ w i t h wlnge foldeU

Figure 6.- Close up of wing hingeunivereal joint (11, otherwiseslip bolts in the form o f forksoperated by levers; secured bybayonet socket (2); dividedcontrol rods with end levers Closetogether (3); wing sect ion butslightly cambered; shaped aileron-connecting edge (4 ) . One-sparwing (with fa lse apar , whichhowever absorbs no bendinn

of He.64c, showing

stresses, forming a rigid-boxgirder).

Figure 8.- Slottedand f laps on theHe.64~ airplane.The picture alsoshows the landinggear with bracewfree a8 firstused on the type C.

wing

uI.+. ----- -\

heinkel he 64 c sport airplane (german)

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