Sea Launch User's Guide
Sea Launch User's Guide
Sea Launch User's Guide
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Specifications<br />
The launch platform is an extremely stable platform from which to conduct<br />
launch operations. The launch platform rides catamaran style on a<br />
pair of large pontoons. It is self-propelled by a four-screw propulsion<br />
system (two in each aft lower hull), which is powered by four directcurrent<br />
double armature-type motors, each of which are rated at 3,000 hp.<br />
Once at the launch location, the pontoons are submerged to a depth of<br />
22.5 m (70.5 ft) to achieve a very stable launch position, level to within<br />
approximately 1 deg.<br />
The ballast tanks are located in the pontoons and in the lower part of the<br />
columns. Six ballast pumps, three in each pontoon, serve them. The<br />
launch platform has an overall length of approximately 133 m (436 ft) at<br />
the pontoons, and the launch deck is 78 by 66.8 m (256 by 219 ft). Its<br />
overall transit displacement is approximately 27,400 tonnes (30,100<br />
tons).<br />
Accommodations<br />
The spacecraft contractor work area (fig. 9-19) is located on the starboard<br />
side of the launch platform on the 38500 deck. This area has rooms for<br />
customer GSE, offices, and storage.<br />
Crew accommodations are located on decks 38500, 42500, and 45500, on<br />
either side of the launch vehicle hangar. The launch platform has accommodations<br />
for six spacecraft contractor personnel. Crewmembers<br />
assigned to the launch platform will be allocated either individual or<br />
shared cabins.<br />
Reserved<br />
211<br />
SCC storage<br />
and spares<br />
218c<br />
SCC storage<br />
and spares<br />
218b<br />
SCC storage<br />
and spares<br />
218a<br />
Mag tape<br />
storage<br />
210<br />
Data<br />
process<br />
Meeting room<br />
I LAN, M, P,<br />
PBX, VTC<br />
209b<br />
Control panels room<br />
209a<br />
212c<br />
Time system<br />
equipment<br />
214<br />
SCC ground support<br />
equipment<br />
I, CC, GC, LAN,<br />
P, PBX, VTC<br />
216a<br />
SCC ground support<br />
equipment<br />
I, CC, GC, LAN,<br />
P, PBX, VTC<br />
216b<br />
<strong>Launch</strong><br />
measurement<br />
complex<br />
213a<br />
SCC office<br />
CCTV, I,<br />
LAN P, PBX<br />
221c<br />
221d<br />
SCC office<br />
CCTV, I,<br />
LAN P, PBX<br />
Marine<br />
storage<br />
213b<br />
Central<br />
telecomm.<br />
systems<br />
204<br />
265807J3-126<br />
Figure 9-19. Spacecraft Contractor Work Areas on <strong>Launch</strong> Platform,<br />
38500 Deck Level<br />
REV B D688-10009-1 9-23
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