Armstrong Siddeley Genet Major: Difference between revisions
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The '''Armstrong Siddeley Genet Major''' is a British five-cylinder (later seven-cylinder), air-cooled, radial engine for aircraft, designed and built by [[Armstrong Siddeley]] and first run in 1928. It developed 140 horsepower (104 kW). In [[Royal Air Force]] use the seven-cylinder version was known as the '''Civet I'''. The [[Feliform|Feliform]] names used are in line with company convention, the [[Genet (animal)|Genet]] and [[Civet]]<ref>Lumsden 2003, p.71.</ref> both being large [[cat-like carnivores |
The '''Armstrong Siddeley Genet Major''' is a British five-cylinder (later seven-cylinder), air-cooled, radial engine for aircraft, designed and built by [[Armstrong Siddeley]] and first run in 1928. It developed 140 horsepower (104 kW). In [[Royal Air Force]] use the seven-cylinder version was known as the '''Civet I'''. The [[Feliform|Feliform]] names used are in line with company convention, the [[Genet (animal)|Genet]] and [[Civet]]<ref>Lumsden 2003, p.71.</ref> both being large [[Feliform|cat-like carnivores]]. |
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==Variants and applications== |
==Variants and applications== |
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Revision as of 16:53, 5 June 2012
| Genet Major/Civet | |
|---|---|
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| Genet Major installed in a Southern Martlet at the Shuttleworth Collection | |
| Type | Radial aero engine |
| Manufacturer | Armstrong Siddeley |
| First run | Template:Avyear |
| Developed from | Armstrong Siddeley Genet |
The Armstrong Siddeley Genet Major is a British five-cylinder (later seven-cylinder), air-cooled, radial engine for aircraft, designed and built by Armstrong Siddeley and first run in 1928. It developed 140 horsepower (104 kW). In Royal Air Force use the seven-cylinder version was known as the Civet I. The Feliform names used are in line with company convention, the Genet and Civet[1] both being large cat-like carnivores.
Variants and applications
Genet Major I
The Genet Major 1 was a five-cylinder engine of 105 horsepower (78 kW) that was closely related to the Genet I but with increased bore and stroke.
- Avro Avian
- Avro 619
- Avro 624
- Avro 638 Club Cadet
- Cierva C.19 Autogiro
- Civilian Coupé
- Saro Cutty Sark
- Southern Martlet
- Westland IV
Genet Major 1A (Civet I)
The Genet Major 1A (or Civet I in RAF service) was a seven-cylinder development of the Genet Major I, nominally rated at 145 horsepower (108 kW).
Genet Major III
As Genet Major IA but with cylinders using cast rocker boxes.
Genet Major IV
A geared propeller drive version of the Genet Major IA, 160 horsepower (120 kW).
Survivors
An Armstrong Siddeley Genet Major powers the Southern Martlet owned and operated by the Shuttleworth Collection and flies regularly throughout the summer months.[2]
Engines on display
An Armstrong Siddeley Genet Major IA is on display at the Royal Air Force Museum Cosford.[3]
Specifications (Genet Major IA/Civet I)
Data from Lumsden[4]
General characteristics
- Type: 7-cylinder single-row radial piston engine
- Bore: 4.25 in (107.95 mm)
- Stroke: 4.5 in (114.3 mm)
- Displacement: 452.01 cu in (7.3 L)
- Length: 38.8 in (985.5 mm)
- Diameter: 38.15 in (970 mm)
- Dry weight: 327 lb (148 kg)
Components
- Valvetrain: Overhead poppet valves
- Fuel type: 77 Octane petrol
- Cooling system: Air-cooled
- Reduction gear: Direct drive, Left hand tractor
Performance
- Power output: 165 hp (123 kW) at 2,425 rpm at sea level
- Compression ratio: 5:1
- Power-to-weight ratio: 0.5 hp/lb
See also
Related development
Comparable engines
Related lists
References
Notes
- ^ Lumsden 2003, p.71.
- ^ The Shuttleworth Collection - Southern Martlet Retrieved: 8 August 2009
- ^ Royal Air Force Museum Cosford - Armstrong Siddeley Genet Major 1A 'Civet' www.rafmuseum.org.uk Retrieved: 22 September 2010
- ^ Lumsden 2003, p.71
Bibliography
- Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough: Patrick Stephens. p. 18.
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.