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British Salmson AD.9

Field	Value
name	AD.9
image	Salmson 9AD MLP 05.jpg
caption	Salmson AD.9 on display at the Polish Aviation Museum
engine_type	Radial engine
national_origin	Great Britain
manufacturer	British Salmson

British Salmson aero-engines refers to a series of small French designed, air-cooled radial aero engine that were produced by British Salmson Aero Engines Ltd, under license from Société des Moteurs Salmson, in Great Britain during the late 1920s and 1930s.

Because the relatively low power was divided among several cylinders, the running of the engines was particularly smooth, and the torque was very even. Adding to the smooth running of these engines was the use of the Canton-Unne system of planetary gears in a cage connecting pistons to crank-pin.

Variants

;AD.3:Three cylinder license production of the Salmson 3 Ad ;AC.7:105 hp seven cylinder radial, capacity 7.15 L ;AC.9:135 hp nine cylinder radial, capacity 9.2 L ;AD.9:50 hp at 2000 rpm (normal power) or 55 hp at 2200 rpm (maximum power). Bore of 70 mm. ;AD.9R:70 hp, geared version of AD.9 with increased bore of 73 mm and increased compression ratio (6:1) (3239cc / 197.7cuin). ;AD.9NG:203 hp, increased bore and stroke. (100 x 140 mm, 9896cc (603.9cuin) capacity).

Applications

;AD.9

Angus Aquila
BA Swallow
Comper Swift
Boulton Paul P.41 Phoenix
General Aircraft Monospar
Hafner Revoplane
Hinkler Ibis
Parmentier Wee Mite ;AD.9R
Arpin A-1 ;AD.9NG
Cierva C.40

Specifications (AD.9)

and start a new, fully-formatted line with -- |power/weight= 0.42 kW/kg (0.26 hp/lb)

References

Notes

Bibliography

Flight magazine, 25 July 1929.
Flight magazine, 22 November 1929.
Flight magazine, April 4, 1930.

References

[http://www.flightglobal.com/pdfarchive/view/1930/untitled0%20-%200424.html Salmson] in ''Flight'' magazine, April 4, 1930.

Info: Wikipedia Source

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1920s-aircraft-piston-engines aircraft-air-cooled-radial-piston-engines salmson-aircraft-engines

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