Armstrong Siddeley Genet Major

The Armstrong Siddeley Genet Major was a British five cylinder (later seven-cylinder), air-cooled, radial engine for aircraft use built in the UK, first run in 1928. It developed 140 hp (104 kW). In Royal Air Force use the seven cylinder version was known as the Civet I. [Lumsden 2003, p.71.]

Variants and applications

Genet Major I

The Genet Major 1 was a five cylinder engine of 105 hp 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
* 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 hp.

* Avro Avian
* Avro Cadet
* Avro Rota
* Cierva C.30A Autogiro
* Saro Cutty Sark
* Westland Wessex

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 hp.

* ANBO V

pecifications (Genet Major IA/Civet)

pistonspecs

ref= [Lumsden 2003, p.71]
type=7-cylinder single-row radial
bore= 4.25 in (107.95 mm)
stroke= 4.5 in (114 mm)
displacement= 452.01 cu in (7.3 L)
length=38.8 in (985.5 mm)
diameter=38.15 in (970 mm)
width=
height=
weight=327 lb (148 kg)
valvetrain=Overhead poppet valves
supercharger=
turbocharger=
fuelsystem=
fueltype=77 Octane petrol
oilsystem=
coolingsystem=Air cooled
power=165 hp at 2,425 rpm at sea level
specpower=
compression=5:1
fuelcon=
specfuelcon=
oilcon=
power/weight=0.5 hp/lb

designer=
reduction_gear=Direct drive, Left hand tractor

general_other=
components_other=
performance_other=

ee also

Aeroenginecontent

related=
* Armstrong Siddeley Genet

similar aircraft=

lists=
* List of aircraft engines

References

Notes

Bibliography

*
* Lumsden, Alec. "British Piston Engines and their Aircraft". Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.

External links

* [http://www.rafmuseum.org.uk/Cosford/collections/engines/engine_info.cfm?engine_id=4 Armstrong Siddeley Genet Major at the Royal Air Force Museum]