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The Salmson 9 AD was a family of air-cooled nine cylinder radial aero-engines produced in the 1930s in France by the Société des Moteurs Salmson.

Salmson 9 AD
Type	Radial aircraft engine
National origin	France
Manufacturer	Société des Moteurs Salmson
Variants	British Salmson AD.9

Design and development

The 9 AD followed Salmson practice after the First World War, of being air-cooled and utilising the Canton-Unne epicyclic geared crank-case system. The major attributes of the engine include a bore of 70 mm (2.76 in) and stroke of 86 mm (3.39 in).

Variants

9 AD

The standard production model with LH rotation direct drive.

9 ADb

9 ADr

British Salmson AD.9

Production of the Salmson 9AD in Great Britain by the British Salmson Company at New Malden, Surrey.[1]

British Salmson A.D.9R srsIII

The A.D.9 with a 0.5:1 reduction gear[1]

Applications

Specifications (9 AD)

General characteristics

• Type: 9-cylinder air-cooled radial piston aircraft engine
• Bore: 70 mm (2.76 in)
• Stroke: 86 mm (3.39 in)
• Displacement: 2.979 l (181.79 cu in)
• Dry weight: 68 kg (150 lb)

Performance

• Power output: 33.56 kW (45 hp) at 2,000 rpm

See also

• Salmson air-cooled aero-engines
• Salmson water-cooled aero-engines
• List of aircraft engines

Notes

References

Wikimedia Commons has media related to Salmson 9Ad.

• Gunston, Bill (1986). World Encyclopaedia of Aero Engines. Wellingborough: Patrick Stephens. p. 152.
• Lumsden, Alec (2003). British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing. p. 129. ISBN 1-85310-294-6.

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