British Salmson AD.9
| Company type | Private company |
|---|---|
| Industry | Aero engine manufacturing |
| Founded | Late 1920s |
| Headquarters | United Kingdom |
| Products | Air-cooled radial aero engines (licensed from Société des Moteurs Salmson) |
British Salmson aero engines constituted a range of compact, air-cooled radial engines originally designed in France and manufactured under license by British Salmson Aero Engines Ltd in the United Kingdom throughout the late 1920s and into the 1930s, with authorization from Société des Moteurs Salmson.
These powerplants were characterized by relatively modest output spread over several cylinders, which contributed to their smooth running and consistent torque delivery. The use of the Canton-Unne planetary gear mechanism linking the pistons to the crank-pin further enhanced operational smoothness.
Variants
- AD.3
- Licensed production of the Salmson 3 Ad, featuring three cylinders
- AC.7
- Seven-cylinder radial engine producing 105 hp, with a displacement of 7.15 liters
- AC.9
- Nine-cylinder radial engine delivering 135 hp, with a capacity of 9.2 liters
- AD.9
- Rated at 50 hp at 2000 rpm under normal conditions, and up to 55 hp at 2200 rpm maximum; bore dimension of 70 mm
- AD.9R
- Geared iteration of the AD.9 providing 70 hp, featuring an increased bore of 73 mm and a higher compression ratio of 6:1; total displacement of 3239 cc
- AD.9NG
- Enhanced version producing 203 hp with enlarged bore and stroke measurements (100 x 140 mm), resulting in a capacity of 9896 cc
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
See also
Bibliography
- Flight magazine, 25 July 1929.
- Flight magazine, 22 November 1929.
- Flight magazine, 4 April 1930.