MOBILE LAUNCHER
The Mobile Launcher, figure 8, is a transportable steel structure which provides
the capability of moving the erected vehicle to the launch pad via tilecrawler-
transporter. The umbilical tm' r, permanently erecte_ on the mobile launcher
base, is a means of ready access to all important levels of the vehicle during
assembly, checkout and servicing prior to launch. The intricate vehicle-co-
ground interfaces are established and checked out within the protected environ-
ment of the Vertical Assembly Building (VAB) and then moved undisturbed aboard
the mobile launcher to the launch pad.
S-IC 7ntertank (preflight)• _ S-IVB Forward (Infllght).
Provides LOX fill and drain. _-_ Provides LH 2 and LOX trans-
Arm may be reconnected to fer, electrical, pneumatic,
vehicle from LCC. Retract and alr--condltioning inter-
time 8 seconds. Reconnect faces. Retract time 7.7
l: . time 5 minutes, seconds..
_ S-IC Forward (preflight). Q S-IVB Forward (inflight).
Provides pneumatic, elec- Provides fuel tank vent,
trical, and air-conditlon- electrical, pneumatic, ai--
ing interfaces. Retract- conditioning, and preflight
: ed at T-16.2 seconds• conditioning interfaces.
Retract time 8 seconds. Retract time 8.4 seconds.
(A s-nAft(preflight) (.b ServiceMod.le(inflight).
' _ Provides access to _ Provides air-conditioning,
vehicle. Retracted vent line, coolant, electri-
! prior to llftoff as calm and pneumatic interfaces.
required. Retract time _.0 seconds.
v_ S-If Inter=edlate (in- Q Command Module Access Arm
flight). Provides LH2 (preflight), Provide access
and LOX transfer, vent to spacecraft through en-
llne, pneumatic, Instru- vironmental chamber. Arm
" merit cooling, electrical, controlled from LCC. Re-
and air-condltlonlng in- tracted 12 ° park position
terrace. Retract time until T-4 minutes.
6.4 seconds.
Q S-ll Forward
(inflighO.
Provides OH 2 vent, elec-
trical, and pneumatic ' ..
_.nterfaces. Retract time
7.4 seconds.
e
Note:
• Preflight arms are retracted Infllght arms retract at
and locked against umbilical vehicle liftoff on command
tower prior to launch, from service arm control
switches (located in hold-
down arms).
1970011707-019
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