British Salmson AD.9 - Misplaced Pages

(Redirected from Salmson AD.9) "AD9" redirects here. For the year, see AD 9. For the destroyer tender, see USS Black Hawk (AD-9).

AD.9

Salmson AD.9 on display at the Polish Aviation Museum
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 horsepower (78 kW) seven cylinder radial, capacity 7.15 litres (436 cu in)
AC.9: 135 horsepower (101 kW) nine cylinder radial, capacity 9.2 litres (560 cu in)
AD.9: 50 horsepower (37 kW) at 2000 rpm (normal power) or 55 horsepower (41 kW) at 2200 rpm (maximum power). Bore of 70 mm.
AD.9R: 70 horsepower (52 kW), geared version of AD.9 with increased bore of 73 mm and increased compression ratio (6:1) (3239cc / 197.7cuin).
AD.9NG: 203 horsepower (151 kW), increased bore and stroke. (100 x 140 mm, 9896cc (603.9cuin) capacity).