Encyclopedia Astronautica
Black Arrow-1


H2O2/Kerosene propellant rocket stage. Loaded/empty mass 14,104/1,070 kg. Thrust 234.82 kN. Vacuum specific impulse 265 seconds.

Cost $ : 4.000 million.

Status: Retired 1971.
Gross mass: 14,104 kg (31,093 lb).
Unfuelled mass: 1,070 kg (2,350 lb).
Height: 6.86 m (22.50 ft).
Diameter: 1.98 m (6.49 ft).
Span: 1.98 m (6.49 ft).
Thrust: 234.82 kN (52,790 lbf).
Specific impulse: 265 s.
Specific impulse sea level: 251 s.
Burn time: 142 s.
Number: 4 .

More... - Chronology...


Associated Countries
Associated Engines
  • Gamma 8 Bristol Siddley H2O2/Kerosene rocket engine. 234.8 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...

Associated Propellants
  • 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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