Clerget 11Eb

11Eb
Type Rotary engine
National origin France
Manufacturer Clerget-Blin
First run 1918
Major applications Sopwith Bulldog

The Clerget 11Eb was an 11-cylinder rotary aircraft engine of the World War I era designed by Pierre Clerget. Powering Sopwith types it was nominally rated at 200 horsepower (150 kW).[1]

Applications

  • Sopwith Bulldog
  • Sopwith Hippo
  • Sopwith Salamander

Specifications (Clerget 11Eb)

Data from Lumsden.[1][2]

General characteristics

  • Type: 11-cylinder air-cooled rotary engine
  • Bore: 120 mm (4.72 in)
  • Stroke: 190 mm (7.48 in)
  • Displacement: 21.49 L (1,311.40 cu in)
  • Dry weight: 232 kg (511 lb)

Components

  • Valvetrain: 1 each overhead inlet and exhaust valves operated by pushrods and rockers
  • Fuel system: Bloctube carburettor
  • Fuel type: Gasoline with Castor oil lubricant
  • Oil system: Castor oil mixed with fuel
  • Cooling system: Air-cooled

Performance

  • Power output: 160 kW (215 hp) at 1,300 rpm (maximum power)
  • Specific power: 0.1639 hp/cu in (7.46 kW/L)
  • Compression ratio: 5.1:1
  • Specific fuel consumption: 0.518 L/kW/hour (0.68pt/hp/hour)
  • Oil consumption: 0.0838 L/kW/hour (0.11 pt/hp/hour)
  • Power-to-weight ratio: 0.694 kW/kg (0.421 hp/lb)

See also

Comparable engines

Related lists

References

Notes

  1. ^ a b Lumsden 2003, p. 134.
  2. ^ Grey, C.G. (1969). Jane's All the World's Aircraft 1919 (Facsimile ed.). David & Charles (Publishing) Limited. pp. 1b to 145b. ISBN 978-0-7153-4647-1.

Bibliography

  • Gunston, Bill. World Encyclopaedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
  • Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
  • Grey, C.G. (1969). Jane's All the World's Aircraft 1919 (Facsimile ed.). David & Charles (Publishing) Limited. pp. 1b to 145b. ISBN 978-0-7153-4647-1.
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