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Salmson 9AD Radial Engine

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Display Status:

This object is on display in the Boeing Aviation Hangar room at Steven F. Udvar-Hazy Center in Chantilly, VA.

Collection Item Summary:

Emile Salmson’s French general engineering firm entered the aircraft engine field in 1911. Its earlier engines were water cooled radials based on a Swiss Canton-Unne patent. The Société des Moteurs Salmson introduced the air cooled 9AD in 1925. Private pilots in the United States and Europe used it extensively in light sport aircraft. A French Albert TE-1 aircraft equipped with a 9AD captured a light plane altitude record in 1926 of 6,096 meters (20,000 feet).

The Aeromarine-Klemm Corporation of Keyport, New Jersey, was the American distributor for Salmson engines. U.S. and European aircraft that used the 9AD included the Aeromarine-Klemm AKL-25A, American Eaglet 231, Caudron 109, Farman 230, and Morane-Saulnier MS 180.

Collection Item Long Description:

Data Source

National Air and Space Museum

Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum

Manufacturer

Salmson (Societe des Moteurs)

Credit Line

Gift of Charles F. Grafflin

Dimensions

Diameter 63 cm (24.81 in.), Length 69.1 cm (27.188 in.)

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National Air and Space Museum Collection

Country of Origin

France

Date

1930

Physical Description

  • Type: Reciprocating, Radial, 9 cylinders, air cooled
  • Power rating: 30 kW (40 hp) at 2,000 rpm
  • Displacement: 3 L (182 cu in)
  • Bore and Stroke: 69.9 mm (2.75 in.) x 85.7 mm (3.375 in.)
  • Weight: 69.9 kg (154 lb)

Type

PROPULSION-Reciprocating & Rotary

Inventory Number

A19791452000