technical information summary concerning saturn vehicle sa-2

8/6/2019 Technical Information Summary Concerning Saturn Vehicle SA-2

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SCIGJiCT Te c h n i c a l I n f o r m a t i o n S u m m a r y C o n c e r n i n g S AT U RN Ve h ic l eSA-2

P- )I k i s m e m o r a n d u m o u tl in e s , tkrcugh a s e r i e s of s k e t c h e s , s o m e ofrh; iin;?o:taEt f e a t u r e s a n d s e q u e n c e s c c n ce r *n i ng t h e s e c o n d SAT UR N v e h i c l e .

i ils sketches a r e d ev ot ed p r i m a r i l y t o t h e c a n t r o l a n d i n s t r u m e n t a t i o n

as;,zcts of the vehic le but a l s o touch 02 J l c ; a t l cch fac i l i ty and coun tdownsc:ledv.le.

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The S A T U R N C - l P r o g r a m h a s a s i t s p r i m a r y o b je c ti v e, t h eb deveio,l-,-,ent of a l a r g e tw o s t a g e vehicle f o r u s e i n s p a c e o p e r a t i o n s . Te ni . -

v - e - u c l e s are p l a n n e d f o r the r e s e a r c h ~ r - d c v e l o pm e n t p h a s e a n d a r eb i v i 6 e d i -n to Block I ( S A - l t h r o u g h S A - 4 ) a m : Block 11 (SA -5 throu gh SA-1C).I n c f i r s t four S A T U X N v e h i c l e s wi l l be1lau: : ,e5ed f r o m c o m p l e x V L F 34 a t

arrangei12ent of l a u n ch c o m p l e x VLF 3:: i s 5 ~ ; ~ : : - il F i g G r e ?. '

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. b y t h e f ol lo wi ng c o n t r o l s e n s o r s :

t r i c a l d i f f e r e n t i a t i o n of t h e t h r e e a t t i t u d e s i g n a l s i n th e F l i g h t C o n t r o lC o m p u t e r b y m e a n s of R - C n e t w o r k s .

p? h is c o m p u t e r f i l t e r s , am -p liE,es a n d / o r a t t e n u a t e s , s h a p e s ,&;-id sixes t h e s e s i g n a ls a n d i n t u r n i s s u e s s t e e r i n g c o r x c a n d s t o th e e i g h ti ,> ri ir au liC ac tu a t o r s f o r p r op e r 2os i t icn l r-g c,f t h e f o u r o & e r H -1 e n g i n e s , w h i c hC Z L C C L L vehicle c o n t r o l in plzch, yaw aad r o i l .( z 0 , ai, a nd ha ' ) or t he p i t ch , yaw an5 r o l l a x e s a r e s ho wn i n F i g u r e 6 ,s l a n g w i t h t h e e n g i n e a n d c o n t r o l a c t - ~ t s r = c a t i o n s .2 3 : s ir!! t h e S-I t a g e i s r e d u c e d b y th z a n x i - s l o s h b a f f l es t o t h e l e v e l w h e r ei t d o e s a o t s i g n i f i c an t l y a f f e c t th e c o n - r o l s y s t e m . Fi r s ? : a n d s e c o n d b e n d -ing m o d e i n f l u e n c e s o n t h e c o n t r o l s y s r e m & r e s u p p r e s s e d b y p h a s e s h a p -ing a n d / o r a t te n u at i on of t h o s e f r e q c a c i e s ( ~ 2o ~4 c p s ) a n d ( ~ 6o a12 c p s )ill he F l i g h t C o E tr ol C o m l u t e r .

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T h e c o n t r o l s y s t e m g a i n f a c t o r s

S losh ing of the p ro pe l l -

(See F i g u i - e 11 ) .

, _ . .E t c h p r o g r a m m in g ol i:~ =-..C-P S p r o v i d e d b y a c a m d e v ic e( l o c a t e d in t h e S e r v o L o op Amplifier E c x ; ' r h l c h c o n ta i ns t h e p r e - s e l e c t e dt i lt p r o g r a m ,

T h e p r i r x a r y 28 v. d. c . ; ower f o r t h e ve h i c l e s y s t e m i s supp l i edT h e s e b a t t e r i e s a l s o s up p ly p ow e ry t w o 2650 a m p - m i n . c a p a c i t y b z x z r t e s .

t o r he 1800 VA R o t a i y I n v e r t e r w n i ch 2 ro vi c. cs 40 0 c y c l e , 115 v. a, . powerf o r t h e v e h i c i e s y s t e m s .

..c


3/16

3M e m o # M - A S T R - TS J - 5 - 6 2

b , A G u i da n c e S i qn a l P r o c e s s o r - R e p e a t e r w h ic h p r o c e s s e s t h edig i ta l velo ci ty s igna:, and condi t ions ?l;err l o r t e l e m e t e r i n g .

c .t u d e r a t e i n f or m a t io n a s a . c . signals,

A 3 ax es Con trol R2:e GJ - o P a c k a g e w hi c h p r o v i d e s a t t i -

d. A CGnt ro i S igna l P r c c e s : o r w h i c h c o n v e r t s t h e a t t i t u d er a t e i n f or m a t io n t o d . c . c o n t r o l s i g n d a z i i d c o nd i ti o ns t h e m f o r t e l e m e t e r i n g .

e . P i t c h a n d ya w C o n tr ol A c c e l e r o m e t e r s w h ic h m e a s u r el a t e r a l v e h i c l e a c c el e :a t io n s, c o n v e r i s x h e s i g n a l s t o d. c . c o n t r o l s i g n a l sand c0nditiGi;ls them for t e l e m e t e r i n g .

f . A Q - b a il T r a n s d u c e r w h i c 2 m e a s u r e s p i tc h a n d y aw a n g l e s -o lc -z tt ac k a r,d d y n a m i c p r e s s u r e , c o n v e r t s ; he s i g n a l s t o d . c . a n d c o n d i t i o n st h e m for t e l e m e t e r i n g .

3 . T r a i e c t o r v

Th e b a s i c f l i g k t t r a j e c t o r y fc:: SA-2 w i t h a l l e i g h t e n g i n e so 2 e r s t i n g ; i s o u t l i n e d i n F i g u r e 4 .e c g i n e s operating c a s e .by this c o m p r o m i s e i s r a s h e r smzlP a:ld t k - c r e f o r e a c c e p t a b l e f r o m t h ec o n t r o l s t a n d p o i n t .ar,t l e v e l sensors a rou-d 111 s e c o n d s &.f,er l i i - loif .a r e cu t off s i x s e c o nd s l a ~ z r y a s igic-zi f r o r n t he P r o g r a m D e v ic e.

T h e t i l t p r o g r a m i s b a s e d o n t h e s e v e nThe vel-;c'-. L p;t& a q l e o f - at t ac k b ro u g h t a b ou t ,

Cutoff of :he ~ Z ~ G L L - ~; lgl i ies i s i n i t i a t e d b y t h e p r o p e l l -T h e o u t b o a r d e n g i n e s

4. Telemetry SjTaterr :

n1h.e te?emzt; .y sys,en; o-' ~.1+: s e p a r a t e 3F i r k s , h a s 30c o m p o n e n t s . F i g u r e 9 S ~ O - Y S h e t y p e of t z l e m e t r y u n i t, i t s t r a n s m i t t e rl crequency, an d meas cy ing ca2a . c i ty.I W O SS/ZM Gnits which a r e u s e d tzi ::z-isr:it hig h fr eq ue nc y in fo rm at io n( v i b r a t i o n and a c c o u s n c a ? m e z s ~ ~ e m e ; ? - ' . s ) a v e b e e n a d d e d t o S A - 2 .

FM/E'M i s u s e d e x t e n s i v e l y o n SA-2.,-n


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s k w n i n F ig ur e 10. i h e s e sys tems E r e c 2 m p r i s e d of 26 c o m p o n e n t s .

a . Commai id Sys tem- : Tke f inc t io r i o f the co mm and s ys te mi s t o r e c e i v e a R . F. c ol-ilm and s i g o a i f r o m t h e g r o u c d t r a n s m i t t e r ( r a n g es a i e t y o f f i c e r ) t o e n e r g i z e Lie v e h i c l e s f u = l d i s p e r s i o n s y s t e m ( v e h i c l ecomx-nand de s t ru c t ) . Range sa fe ty r equ ire : , t h a t each veh i c le l aunche d f r omt h e A t la n t i c i M is s il e R a n g e c a r r y a co mm -a nd d e s t r u c t s y s t e m . T h e s y s t e mi s c o - m p r i s e d of t wo s e p a r a t e a n d i n 2e p e nd e nt u n i t s ; t h e o n l y i t e m s t h a ta r e c o m m o n are he anteni2as ai:? some caLi ing.2 o w e r f r o m a s e p a r a t e 2 8 v. d . c . b a t t e r y.

E a c h unit r e c e i v e s i t s

On the SA-2 f l igh t , r e l e a s e of t he w a t e r b a l l a s t in the S-IVa n d S - V d u m m y s t a g e s w i l l be m a d e (P r o j 2 c t H i g h w a t e r - S e e F i g u r e 3 ) .T h e r e l e a s e w i l l b e b y c o m m a n d f r o m t he r a n g e s a f e t y o f f i c e r t h r o u g hthe v e h i cl e c o m m a n d d e s t r u c t s y s t e m , abo i i t 45 seconds a f t e r cu to ff .l h i s e x p e ri m e n t w i ll also b e a positive ter;:: of the S -I s t a g e c o m m a n d d e s -t r u c s y s t e m .

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b. A z u s a an d C -B a n d 3 a da i . S y s t e m s : T h e s e s y s t e m s p r o v i d e

i i i e se e ra j ec to r y da ia a r e p re,e:lrltecc 0x1 p l ot ti n g b o a r d s f o r t h e r a n g es i s r,a?s t o a g r o u n d c o m p u t e r com-l;lez t o c i > t a i n p o s i t i o n a n d v e l o c i t y i n f o r m -a t i o n .s z I z ~ y f f ic er t o use in de te rn? i r i r-g !i.ea; . , ri e l v e h i c l e p e r f o r m a n c e . Ina d di ri o n, t h ey a r e a l s o u s e d f o r t h e p os t E i g h t e v a l u a t i o n of t h e v e h i c l e st r a j e c t o r y .

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c . S - B a c a P a c k % rid U D O P S y s te m s : T h e s e s y s t e m s p r o -v i d e t r a j e c t o r y d a t a ( v e h i c l e P os itiG il a m i i -3 loci ty) f o r t h e p o s t L i g h t e v a l -m t i o n 0 ; d i e v e h i c l e s p e r f o r m a n c e .

Enc: ( 1 1 )S k e che 3


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technical information summary concerning saturn vehicle sa-2

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