Engine Model: R-31. Manufacturer Name: R-31. Designer: Lyulka. Application: MiG-25. Propellants: Air/Kerosene. Thrust(vac): 91.200 kN (20,503 lbf). Thrust(sl): 82.900 kN (18,637 lbf). Isp: 2,073 sec. Burn time: 3,000 sec. Chambers: 1. Country: Russia. Status: Out of Production. Used in MiG-25. Thrust is maximum sea level thrust; specific impulse is sea level value at that thrust.
R-31 used on Rocket Stages
Bibliography:- Gunston, Bill, The Osprey Encylopedia of Russian Aircraft 1975-1995, Osprey, London, 1995.