R-31 Stage 2

home topic index

Model: R-31 Stage 2. Gross Mass: 6,900 kg (15,200 lb). Thrust (vac): 233.300 kN (52,448 lbf). Burn time: 74 sec. Propellants: Solid. Diameter: 1.54 m (5.05 ft). Length: 3.10 m (10.10 ft). Country: Russia. Status: Retired 1990. First Flight: 1974. Last Flight: 1979. No Launched: 0. Used on Launch Vehicles: R-31. Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2008 except where otherwise noted.