RD-253-14D14

RD-253 engine
Credit - Khrunichev

Manufacturer Name: RD-253. Government Designation: 14D14. Designer: Glushko. Developed in: 1990-99. Application: Proton KM-1. Propellants: N2O4/UDMH. Thrust(vac): 1,746.000 kN (392,516 lbf). Thrust(sl): 1,578.200 kN (354,793 lbf). Isp: 317 sec. Isp (sea level): 285 sec. Burn time: 108 sec. Mass Engine: 1,300 kg (2,800 lb). Diameter: 1.23 m (4.05 ft). Chambers: 1. Chamber Pressure: 157.00 bar. Thrust to Weight Ratio: 136.92. Country: Russia. Status: In production. First Flight: 1999. Last Flight: 2003. Flown: 24.

Developed in 1990s.

RD-253-14D14 used on Rocket Stages

Used on stage: Proton KM-1. on launch vehicle: Proton 8K82K / Briz-M.

Bibliography and Further Reading

Mission Planner's Manual - Proton Commercial Launch Vehicle, Space Commerce Corporation, Houston, TX 1989.

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