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Beginning in 1911, and until manufacturing rights were sold to Renault, Clerget, Blin, and Cie of Paris, France, built various types of airplane engines, but mainly air-cooled rotaries. During World War I, the company's effort was concentrated almost entirely on this type of engine. Gwynnes, Ltd., Hammersmith Iron Works, London, England, controlled the British manufacturing rights on Clerget engines.

The Clerget Type 9B was a highly successful engine and was used extensively during World War I. Among the French aircraft equipped with the Type 9B were the Nieuport 12 and 17, Nieuport Triplane, Pommier, Caudron, CSL, MS 30 and 35, and Spad. Numerous British aircraft were also powered by the Type 9B, among them the: Avro 504C/K/L and 531/A Spider; Bristol 10 M.1A and 11 M.1B; Cierva C.6C/D and C.8R Autogiro; and Sopwith Baby, Triplane, F.1 Camel, Scooter, Triplane, and LCT 1-1/2 Strutter.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Date Circa World War I Country of Origin France Type PROPULSION-Reciprocating & Rotary Manufacturer Automobiles Delaunay-Belleville
Panhard-Levassor
 Designer Clerget, Blin and Cie
 Physical Description Type: Rotary, 9 cylinders, air-cooled Power rating: 96.9 kw (130 hp) at 1,250 rpm Displacement: 16.26 L (992.07 cu. in.) Bore and Stroke: 120 mm (4.72 in.) x 160 mm (6.3 in.) Weight: 173 kg (381 lb) Dimensions Diameter 102.1 cm (40.2 in.), Length 110.5 cm (43.5 in.)
 Materials Steel, Paint, Preservative coating, Aluminum
 Inventory Number A19670083000 Credit Line Transferred from the U.S. Army Air Forces Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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