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R-56 Block A
R- 56 Stage 1
R- 56 Stage 1
N2O4/UDMH propellant rocket stage. .

Status: Study 1961. Thrust: 1,608.00 kN (361,492 lbf). Gross mass: 1,162,000 kg (2,561,000 lb). Unfuelled mass: 162,000 kg (357,000 lb). Specific impulse: 316 s. Specific impulse sea level: 285 s. Burn time: 120 s. Height: 36.00 m (118.00 ft). Diameter: 6.50 m (21.30 ft). Span: 8.20 m (26.90 ft).

No Engines: 16.



Country: Ukraine. Engines: RD-253-11D48, R-56 Blok A. Launch Vehicles: R-56. Propellants: N2O4/UDMH.

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