The Salmson 9 AD was a family of air-cooled nine cylinder

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aero-engines produced in the 1930s in

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by the

Société des Moteurs Salmson Salmson is a French engineering company. Initially a pump manufacturer, it turned to automobile and aeroplane manufacturing in the 20th century, returning to pump manufacturing in the 1960s, and re-expanded to a number of products and services ...

Design and development

The 9 AD followed Salmson practice after the

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, of being air-cooled and utilising the Canton-Unne epicyclic geared crank-case system. The major attributes of the engine include a bore of and stroke of .

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

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by the British Salmson Company at New Malden, Surrey. ;British Salmson A.D.9R srsIII:The A.D.9 with a 0.5:1 reduction gear

Applications

Specifications (9 AD)

Notes

References