H2O2/Kerosene propellant rocket stage. Loaded/empty mass 3,537/535 kg. Thrust 68.23 kN. Vacuum specific impulse 265 seconds.
Cost $ : 3.000 million.
Status: Retired 1971.
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Gross mass: 3,537 kg (7,797 lb).
Unfuelled mass: 535 kg (1,179 lb).
Height: 2.90 m (9.50 ft).
Diameter: 1.37 m (4.49 ft).
Span: 1.37 m (4.49 ft).
Thrust: 68.23 kN (15,340 lbf).
Specific impulse: 265 s.
Specific impulse sea level: 251 s.
Burn time: 113 s.
Number: 4 .
Gamma 2 Bristol Siddley H2O2/Kerosene rocket engine. 68.2 kN. Out of production. Isp=265s. Used on Black Arrow launch vehicle. First flight 1969. More...
Associated Launch Vehicles
Black Arrow British orbital launch vehicle. Britain's only indigenous launch vehicle. Following cancellation of the project in July 1971, one final launch was permitted, which successfully placed the Prospero satellite in orbit. More...
H2O2/Kerosene Hydrogen peroxide is used as both an oxidiser and a monopropellant. Relatively high density and non-toxic, it was abandoned after early use in British rockets, but recently revived as a propellant for the Black Horse spaceplane. Rocket propellant RP-1, or its foreign equivalents, is a straight-run kerosene fraction, which is subjected to further treatment, i.e., acid washing, sulphur dioxide extraction. Thus, unsaturated substances which polymerise in storage are removed, as are sulphur-containing hydrocarbons. More...
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