R-9A Stage 2

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R-9A Stage 2

Part of R-7 Block I stage series

RD-0110 Engine
Soyuz 11A511 Stage 2 engine displayed at Tsiolkovskiy Museum in Kaluga.
Credit: © Mark Wade

LOx/Kerosene propellant rocket stage. Empty mass estimated. Developed into Molniya/Soyuz second stage.

AKA: 8K77 Blok B. Status: Retired 1969. Thrust: 304.00 kN (68,341 lbf). Gross mass: 15,900 kg (35,000 lb). Unfuelled mass: 2,500 kg (5,500 lb). Specific impulse: 330 s. Burn time: 140 s. Height: 9.40 m (30.80 ft). Diameter: 2.68 m (8.79 ft). Span: 2.68 m (8.79 ft).

Country: Russia. Engines: RD-0106. Launch Vehicles: Romashka, 8K77, Desna. Propellants: Lox/Kerosene.

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