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RD-253-14D14
Part of RD-253 Family
RD-253 engine
RD-253 engine
Credit: Khrunichev
Glushko N2O4/UDMH rocket engine. Proton KM-1. In production. Developed in 1990s. First flight 1999.

AKA: 14D14. Status: In production. Date: 1990-99. Number: 24 . Thrust: 1,746.00 kN (392,516 lbf). Unfuelled mass: 1,300 kg (2,800 lb). Specific impulse: 317 s. Specific impulse sea level: 285 s. Burn time: 108 s. Diameter: 1.23 m (4.05 ft).

Thrust (sl): 1,578.200 kN (354,793 lbf). Thrust (sl): 160,931 kgf. Engine: 1,300 kg (2,800 lb). Chamber Pressure: 157.00 bar. Thrust to Weight Ratio: 136.92.



Family: Storable liquid. Country: Russia. Launch Vehicles: Proton/Briz K/M. Propellants: N2O4/UDMH. Stages: Proton M-1. Agency: Glushko bureau.

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