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The Napier Double Scorpion Aircraft Booster Engine

The Napier Double Scorpion was a twin aircraft booster rocket engine which was fuelled with kerosene and used hydrogen peroxide as an oxidiser. The Napier Double Scorpion NScD.1 was developed in the mid 1950's and was fitted to several English Electric Canberra bombers in 1956. In August 1957 one of the Double Scorpion equipped Canberras used the additional boost from it's Double Scorpion to set a new aircraft world altitude record of 70,300 feet. Due to financial restraints the Scorpion's development program was cancelled in the first months of 1959.

Napier Double Scorpion Aircraft Booster Engine


Napier Double Scorpion Specifications:

  • Type: Liquid fuelled twin chamber aircraft booster rocket
  • Fuel: Kerosene
  • Oxidiser: Hydrogen Peroxide
  • Thrust: 8,000 lbf (35.6 kN)
  • Length 856mm (33.7in)
  • Diameter 584mm (23in)
  • Dry weight 98kg (216lb)

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Napier Double Scorpion Aircraft Engine picture and Specifications


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