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Proton M-1
Part of Polyblock UR-500-1P Family
Proton M Stage 1.

AKA: Proton KM-1. Status: Active. Thrust: 10,532.00 kN (2,367,687 lbf). Gross mass: 450,400 kg (992,900 lb). Unfuelled mass: 31,000 kg (68,000 lb). Specific impulse: 317 s. Specific impulse sea level: 285 s. Burn time: 108 s. Height: 21.00 m (68.00 ft). Diameter: 7.40 m (24.20 ft). Span: 7.40 m (24.20 ft).

Cost $ : 18.000 million. No Engines: 6.



Country: Russia. Engines: RD-253-14D14. Launch Vehicles: Proton/Briz K/M, Proton-M/Briz-M. Propellants: N2O4/UDMH.

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