Nova MM 33

American heavy-lift orbital launch vehicle. Nova single stage to orbit design with 24 new high pressure LH2/LOx engines in the first stage in a plug nozzle arrangement. Operational date would have been April 1975.

LEO Payload: 472,000 kg (1,040,000 lb) to a 185 km orbit.

Stage Data - Nova MM 33

• Stage 1. 1 x Nova MM 33-1. Gross Mass: 10,489,000 kg (23,124,000 lb). Empty Mass: 626,000 kg (1,380,000 lb). Thrust (vac): 156,876.000 kN (35,267,127 lbf). Isp: 443 sec. Burn time: 268 sec. Isp(sl): 379 sec. Diameter: 24.40 m (80.00 ft). Span: 26.20 m (85.90 ft). Length: 75.90 m (249.00 ft). Propellants: Lox/LH2. No Engines: 24. Engine: HP-1. Status: Study 1963. Comments: Operational date would have been April 1975. SSTO - payload 1,042,000 lbs.