Armstrong Siddeley Cougar

from Wikipedia, the free encyclopedia

The Armstrong Siddeley Cougar is an aircraft engine that the British manufacturer Armstrong Siddeley built since 1945. The 9-cylinder radial engine has a displacement of 19,271 cm³. The only Armstrong-Siddeley engine of this type was tested, but never installed in an aircraft and never built in series.

Data (cougar)

General

  • Single-row 9-cylinder radial engine, air-cooled, with compressor
  • Bore: 139.7 mm
  • Stroke: 139.7 mm
  • Displacement: 19,271 cm³
  • Length: 1308 mm
  • Diameter: 1257 mm
  • Weight: 463 kg

Components

  • Valve train: Two overhead valves per cylinder
  • Compressor: centrifugal, reduction gear 8.17: 1
  • Mixture preparation: RAE Hobson AS / C2 injection into the compressor, with automatic pressure control
  • Fuel: aviation fuel , 100/130 DED 2475
  • Lubrication: dry sump , 551 kPa
  • Oil: 20.5 cs grade, DED 2472B
  • Cooling: air
  • Reduction gear: no

power

  • Takeoff power: 850 bhp (634 kW) at 2800 rpm. and 1168 mm Hg column,
  • Continuous output: 690 bhp (515 kW) at 2500 rpm. at an altitude of 1829 m
  • Maximum output: 730 bhp (544 kW) at 2700 rpm. at an altitude of 2286 m
  • Saving power: 500 bhp (373 kW) at 2300 rpm. at an altitude of 3200 m
  • Output per liter: 34.60 kW / l
  • Compression: 6.3: 1
  • Specific fuel consumption: 110 g / kW xh
  • Specific oil consumption: 5 g / kW xh
  • Power-to-weight ratio : 0.734 kg / kW

Individual evidence

  1. ↑ Flightglobal archive - January 1946. Retrieved December 19, 2008.
  2. ^ Paul H. Wilkinson: Aircraft Engines of the World . Airlife Publishing, Marlborough, Wiltshire 2003.

literature

  • Alec Lumsden: British Piston Engines and their Aircraft . Airlife Publishing, Marlborough 2003. ISBN 1-85310-294-6 .
  • Paul H. Wilkinson: Aircraft Engines of the World . Sir Isaac Pitman & Sons, London 1946.

Web links