Delta 4H - 2
Gross Mass: 30,710 kg (67,700 lb). Empty Mass: 3,490 kg (7,690 lb). Thrust (vac): 110.050 kN (24,740 lbf). Isp: 462 sec. Burn time: 1,125 sec. Propellants: Lox/LH2. Diameter: 2.44 m (8.00 ft). Span: 5.00 m (16.40 ft). Length: 12.00 m (39.00 ft). Country: USA. No Engines: 1. Engine: RL-10B-2. Status: In production. First Flight: 2004. Last Flight: 2004. No Launched: 1.

Delta 4 second stage with hydrogen tank increased to 5.1 m diameter.


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