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Model: R-3. Gross Mass: 69,000 kg (152,000 lb). Empty Mass: 5,480 kg (12,080 lb). Thrust (vac): 1,370.000 kN (307,980 lbf). Isp: 285 sec. Burn time: 150 sec. Propellants: Lox/Kerosene. Isp(sl): 244 sec. Diameter: 2.80 m (9.10 ft). Span: 2.80 m (9.10 ft). Length: 27.10 m (88.90 ft). Country: Russia. No Engines: 1. Motor: RD-110. Status: Development ended 1949. 3000 km range IRBM design to study problems of long-range rockets. Developed April 1947 to 1949 before cancellation. Used on Launch Vehicles:
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