Clerget 7Z

7Z
Type Rotary engine
National origin France
Manufacturer Clerget-Blin
First run 1911
Major applications Avro 504
Number built 347 (British production)

The Clerget 7Z was a seven-cylinder rotary aircraft engine of the World War I era designed by Pierre Clerget. First appearing in 1911 it was nominally rated at 80 horsepower (60 kW). 347 examples were jointly built in Britain by Gordon Watney & Co Ltd of Weybridge and Gwynnes Limited of Hammersmith.[1]

Applications

Specifications (Clerget 7Z)

Data from Lumsden and Gunston.[1][2][3]

General characteristics

  • Type: Seven-cylinder air-cooled rotary engine
  • Bore: 120 mm (4.72 in)
  • Stroke: 150 mm (5.91 in)
  • Displacement: 11.88 l (724.96 cu in)
  • Diameter: 914 mm (35.98 in)
  • Dry weight: 106 kg (234 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

See also

Comparable engines

Related lists

References

Notes

  1. 1 2 Lumsden 2003, p. 133.
  2. ↑ Gunston 1989, p, 41.
  3. ↑ 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

  • 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.
  • 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.
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