Lox/Kerosene propellant rocket stage. Loaded/empty mass 43,300/3,710 kg. Thrust 970.00 kN. Vacuum specific impulse 312 seconds.
Cost $ : 5.000 million.
Status: Retired 1960.
More... - Chronology...
Gross mass: 43,300 kg (95,400 lb).
Unfuelled mass: 3,710 kg (8,170 lb).
Height: 19.00 m (62.00 ft).
Diameter: 2.68 m (8.79 ft).
Span: 2.68 m (8.79 ft).
Thrust: 970.00 kN (218,060 lbf).
Specific impulse: 312 s.
Specific impulse sea level: 254 s.
Burn time: 120 s.
Number: 24 .
RD-107-8D74 Glushko Lox/Kerosene rocket engine. 971 kN. R-7 8K71, Vostok 8K72, Vostok 8K72K strap-ons. Isp=306s. First flight 1957. Used four combustion chambers fed by single turbopump to circumvent combustion instability problems with larger chambers 1950's. More...
Associated Launch Vehicles
Vostok 8K72 Russian orbital launch vehicle. 8K72 Luna launch vehicle, third stage modified with larger forward cylindrical section to accomodate Vostok-sized spacecraft. Used only for launch of first few prototype Vostoks. More...
Lox/Kerosene Liquid oxygen was the earliest, cheapest, safest, and eventually the preferred oxidiser for large space launchers. Its main drawback is that it is moderately cryogenic, and therefore not suitable for military uses where storage of the fuelled missile and quick launch are required. In January 1953 Rocketdyne commenced the REAP program to develop a number of improvements to the engines being developed for the Navaho and Atlas missiles. Among these was development of a special grade of kerosene suitable for rocket engines. Prior to that any number of rocket propellants derived from petroleum had been used. Goddard had begun with gasoline, and there were experimental engines powered by kerosene, diesel oil, paint thinner, or jet fuel kerosene JP-4 or JP-5. The wide variance in physical properties among fuels of the same class led to the identification of narrow-range petroleum fractions, embodied in 1954 in the standard US kerosene rocket fuel RP-1, covered by Military Specification MIL-R-25576. In Russia, similar specifications were developed for kerosene under the specifications T-1 and RG-1. The Russians also developed a compound of unknown formulation in the 1980's known as 'Sintin', or synthetic kerosene. More...
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