Nova MM 24G

American heavy-lift orbital launch vehicle. Nova design using new high pressure LH2/LOx engines; 18 in the first stage in a plug nozzle arrangement, 2 in the second. Operational date would have been December 1974.

LEO Payload: 447,000 kg (985,000 lb) to a 185 km orbit.

Stage Data - Nova MM 24G

• Stage 1. 1 x Nova MM 24G-1. Gross Mass: 5,040,000 kg (11,110,000 lb). Empty Mass: 317,000 kg (698,000 lb). Thrust (vac): 95,261.000 kN (21,415,524 lbf). Isp: 451 sec. Burn time: 215 sec. Isp(sl): 379 sec. Diameter: 21.60 m (70.80 ft). Span: 23.20 m (76.10 ft). Length: 49.80 m (163.30 ft). Propellants: Lox/LH2. No Engines: 18. Engine: HP-1. Status: Study 1963. Comments: Operational date would have been December 1974.

• Stage 2. 1 x Nova MM 24G-2. Gross Mass: 1,043,000 kg (2,299,000 lb). Empty Mass: 136,000 kg (299,000 lb). Thrust (vac): 10,228.000 kN (2,299,345 lbf). Isp: 451 sec. Burn time: 386 sec. Isp(sl): 379 sec. Diameter: 18.30 m (60.00 ft). Span: 18.30 m (60.00 ft). Length: 28.80 m (94.40 ft). Propellants: Lox/LH2. No Engines: 2. Engine: HP-1. Status: Study 1963. Comments: Operational date would have been December 1974.