Centaur G Prime
Gross Mass: 19,501 kg (42,992 lb). Empty Mass: 3,000 kg (6,600 lb). Thrust (vac): 146.800 kN (33,002 lbf). Isp: 444 sec. Burn time: 550 sec. Propellants: Lox/LH2. Isp(sl): 0 sec. Diameter: 4.33 m (14.20 ft). Span: 4.33 m (14.20 ft). Length: 8.87 m (29.10 ft). Country: USA. No Engines: 2. Engine: RL-10A-3A. Status: Out of production. Cost $ : 22.000 million. First Flight: 1987.

Centaur for Shuttle payload bay. Cancelled after Challenger disaster on safety grounds.  
 
 
 
 
 
 
 
 


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