This page no longer updated from 31 October 2001. Latest version can be found at G-4

Gross Mass: 66,600 kg. Empty Mass: 2,760 kg. Thrust (vac): 108,000 kgf. Isp: 249 sec. Burn time: 145 sec. Propellants: Lox/Alcohol Isp(sl): 233 sec. Diameter: 3.7 m. Span: 3.7 m. Length: 23.5 m. Country: USSR. No Engines: 1. G-4 Status: Design, 1949. Comments: Residuals 940 kg. Burnout mass with 3400 kg warhead 7100 kg. Cutoff velocity 4500 m/s, maximum altitude 120 km over 3000 km range. With 10 G limiter thrust would be throttled back and burn time would be 156 seconds.
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Last update 12 March 2001.
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© Mark Wade, 2001 .