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RD-100

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RD-100 NPO Enerogmash Museum Credit: © Dietrich Haeseler

Date: 1946-50. Number: 184 . Thrust: 304.00 kN (68,341 lbf). Unfuelled mass: 885 kg (1,951 lb). Specific impulse: 237 s. Specific impulse sea level: 203 s. Burn time: 65 s. Height: 3.70 m (12.10 ft). Diameter: 1.65 m (5.41 ft).

German salaries and conditions were good - the chief of the German team receiving the second highest salary after the Soviet designer-in-chief. The RD-100 was built in 1946 at a former Ilyushin aviation plant that had been moved to Tashkent in World War 2 (now the Energomash factory). There was no equipment so everything had to be started from scratch. By mid-1947 the first RD-100 was ready. In May 1948 the first RD-100 test took place at Khimki itself, with the spectators watching from 1 km away. There are still tests at the same location but thrust levels are now 800 metric tons force. The R-1 rocket with the RD-100 engine entered service in 1950.

Thrust (sl): 267.000 kN (60,023 lbf). Thrust (sl): 27,227 kgf. Engine: 885 kg (1,951 lb). Chamber Pressure: 15.90 bar. Propellant Formulation: Lox/Alcohol-75%. Thrust to Weight Ratio: 35.3672316384181. Oxidizer to Fuel Ratio: 1.28.