RD-224

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RD-224

Part of RD-225

Glushko Nitric acid/UDMH rocket engine. R-26 stage 1. Out of production. RD-224 is a block of 2 RD-225s. An upper stage thrust chamber was developed under designation U102-000. First flight 1961.

AKA: 8D721. Status: Out of production. Date: 1960-62. Thrust: 1,778.00 kN (399,710 lbf). Unfuelled mass: 1,250 kg (2,750 lb). Specific impulse: 294 s. Specific impulse sea level: 251 s. Burn time: 100 s. Height: 2.00 m (6.50 ft). Diameter: 2.27 m (7.44 ft).

Chambers: 4. Engine: 1,250 kg (2,750 lb). Chamber Pressure: 83.40 bar. Area Ratio: 21. Propellant Formulation: AK27P/UDMH. Thrust to Weight Ratio: 145.04. Oxidizer to Fuel Ratio: 2.5.

Family: Storable liquid. Country: Russia. Launch Vehicles: R-26. Propellants: Nitric acid/UDMH. Stages: R-26-1. Agency: Glushko bureau. Bibliography: 320.

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