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The Armstrong Siddeley Mongoose is a British five-cylinder
''Note:''
*
The Shuttleworth Collection - Hawker Tomtit
Retrieved: 22 February 2012
{{Armstrong Siddeley aeroengines Aircraft air-cooled radial piston engines
radial
Radial is a geometric term of location which may refer to:
Mathematics and Direction
* Vector (geometric), a line
* Radius, adjective form of
* Radial distance, a directional coordinate in a polar coordinate system
* Radial set
* A bearing f ...
aero engine produced by Armstrong Siddeley
Armstrong Siddeley was a British engineering group that operated during the first half of the 20th century. It was formed in 1919 and is best known for the production of luxury vehicles and aircraft engines.
The company was created following t ...
. Developed in the mid-1920s it was used in the Hawker Tomtit trainer and Parnall Peto
The Parnall Peto was a small seaplane designed to the British Air Ministry's specification 16/24 in the early 1920s for use as a submarine-carried reconnaissance aircraft.
Design and development
Two examples were designed and built by George ...
seaplane amongst others. With a displacement of 540 cubic inches (9 litres) the Mongoose had a maximum power output of 155 horsepower (115 kilowatts).
A Mongoose engine powers the sole remaining airworthy Hawker Tomtit, based at Old Warden.
Design and development
The Mongoose is a five-cylinder, single-row, air-cooled radial piston engine. The engine features twin forward-mounted ignition magnetos and enclosed valve rockers, the cylinders being the same as those used for the earlier Jaguar engine. An unusual feature of the Mongoose is the vertical position of the lower cylinder, a design thought likely to promote oil fouling of the spark plugs.Lumsden 2003, p. 69. Built in several variants, power output ranged between 135 and 155 hp (100-115 kW).Variants
;Mongoose I :1926, 135 hp. ;Mongoose II :1930, 155 hp. ;Mongoose III :1929. ;Mongoose IIIA :1929, civil use. ;Mongoose IIIC :1929, Military use based on IIIA.Applications
''Note:''
*Avro 504N
The Avro 504 was a First World War biplane aircraft made by the Avro aircraft company and under licence by others. Production during the war totalled 8,970 and continued for almost 20 years, making it the most-produced aircraft of any kind th ...
* Avro 504R
*Avro Tutor
The Avro Type 621 Tutor is a two-seat British radial-engined biplane from the interwar period. It was a simple but rugged basic trainer that was used by the Royal Air Force as well as many other air arms worldwide.
Design and development
The ...
* Avro Type 621 Trainer
* Handley Page Hamlet
* Handley Page Gugnunc
* Hawker Tomtit
*Parnall Peto
The Parnall Peto was a small seaplane designed to the British Air Ministry's specification 16/24 in the early 1920s for use as a submarine-carried reconnaissance aircraft.
Design and development
Two examples were designed and built by George ...
* Fokker S.IV
Survivors
An Armstrong Siddeley Mongoose IIIC powers the sole remaining airworthy Hawker Tomtit, ''K1786/G-AFTA'', owned and operated by the Shuttleworth Collection this aircraft flies regularly throughout the summer months.Retrieved: 22 February 2012
Specifications (Mongoose I)
See also
References
Notes
Bibliography
* Gunston, Bill. ''World Encyclopaedia of Aero Engines''. Cambridge, England. Patrick Stephens Limited, 1989. * Lumsden, Alec. ''British Piston Engines and their Aircraft''. Marlborough, Wiltshire: Airlife Publishing, 2003. .External links
{{Armstrong Siddeley aeroengines Aircraft air-cooled radial piston engines
Mongoose
A mongoose is a small terrestrial carnivorous mammal belonging to the family Herpestidae. This family is currently split into two subfamilies, the Herpestinae and the Mungotinae. The Herpestinae comprises 23 living species that are native to so ...
1920s aircraft piston engines