Apollo Saturn Bedienungsanleitung PDF herunterladen (Seite 45)

S-!rC ST.\GE PROPELLAI(T SYS'J t,7,I

Tile S-IC stage propell:,nt svstem is co:,lpnsed of one LOX tank, one RP--1 tank,

prope11;mt ]ines, control valves, vcnts, and pressuri_'ation subsystems. Load-

ing ol L0X and RP-I tanks is controlled by ground computers. RP-I loading is

completed approxii,_,r,tcly nine d-ws prior t_ ]iftoff. },OK bubb!in?, is startcd i

at the (,e,_:inningof LOX chllldo,<n operation aad is continued throughout LOX ._

loading and again before liftoff to prevent possible gcyscring. Prior to Jilt-

off the RP-I tank and the LOX tank is pres.qurized by hcl_um from a good source.

At liftoff the RP-] tank is pressurized with helium stored in bottles located in *_

the LOX tank and heated by passing the helium through.the heat exchanger. LOX

tank pressurization is maintained by LOX'bled from the engine and converted to

GOX in the heat exchanger. :1

S-IC PROPELLANT I,OAD A)_ OPERATIO'CAL SEQUEXCE _"

- --4- lj I ,

fOO-- " -- -- "l ...........

----j_,2o;_b,/,_;,_ 7 i- -

S+ar* A,A'om_+i¢ I k i'¢"1"o_¢

'_'_',, I

so-- I I I

: ,o_ i ''1'

h3ni_';on Co,',,,_a,M

t // 94._,ooib-Y_in A I

0 I I

: I I :

zo-- I I

: I 6.5"/0

o I = ,, _.L-----14_zooI_/,_i_, I I

,,, _ i ......., I,,, ,I I

-9dli. -S.Shr. -4.q -I.0 -.4hr. -IOnia. -18,1_:. -72 -it "_.lt -/=,_ 0 |

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I i

Aa/,,_-l- ”$px7,,I i , ,

RP-I Loa,=l;^9

C.o_pI e..I-=d. I-il P,_s,,o,..;_,.

I : Tanv_ I_

LO_ Repienlsh

_- . _,--2 '_ - '

|LoX Buloblin_

L O_ -_6=r4 L ¢'a,_;a9

\ Sy_,_¢r,,_ LOX Pr_';,su,"i _¢ Tan k

" I GoX Pr_=suri'=_

TaaR I

44-

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Apollo Saturn Bedienungsanleitung Seite 45

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