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Wright J65

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J65
Sectioned Wright J65

The Wright J65 was an axial-flow turbojet engine produced by Curtiss-Wright under license from Armstrong Siddeley. A development of the Sapphire, the J65 powered a number of US designs.

Design and development[]

Curtiss-Wright purchased a license for the Sapphire in 1950, with plans to have the production lines running in 1951. However a series of delays led to its service introduction slipping a full two years, by which point the Pratt & Whitney J57 was on the market and took many of the J65's potential sales. Nevertheless, once it entered production it proved to be as good as the British versions, and along with the Martin B-57, its original target, the J65 went on to power versions of the North American FJ Fury, Douglas A-4 Skyhawk, Republic F-84F Thunderstreak, and the two Lockheed XF-104 Starfighter prototypes.

A 6,500-10,380ehp turboprop version of the J65 (Sapphire) was developed by Curtiss-Wright as the Wright T49.

Applications[]

Specifications (J65-B)[]

General characteristics
  • Type: Turbojet
  • Length: ~122in (~3098 mm)
  • Diameter: 37.52in (953 mm)
  • Dry weight: 2776lb (1259 kg)
Components
  • Compressor: 13-stage axial
  • Combustors: annular
  • Turbine: 2-stage axial
Performance
  • Maximum thrust: 7239lbf (32.2KN)
  • Overall pressure ratio: 7:1
  • Air mass flow: 119.05lb/s (54kg/s)
  • Turbine inlet temperature: ~848C (1558F)
  • Specific fuel consumption: ~0.916lb/hr/lbf (~25.95g/s/KN)
  • Thrust-to-weight ratio: 2.61


Specifications (J65-W-16A)[]

General characteristics
  • Type: Turbojet
  • Length: 122in (3098 mm)
  • Diameter: 37.52in (953 mm)
  • Dry weight: 2743lb (1244 kg)
Components
  • Compressor: 13-stage axial
  • Combustors: annular
  • Turbine: 2-stage axial
Performance
  • Maximum power output:
  • Power-to-weight ratio:


See also[]

References[]

  • Gunston, Bill (2006). World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. ISBN 0-7509-4479-X. 
  • Kay, Anthony L. (2007). Turbojet History and Development 1930-1960. 2 (1st ed.). Ramsbury: The Crowood Press. ISBN 978-1861269393. 

External links[]

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