1917 Clerget
One rigger's notebook has the comment "best rotary" written in for the Clerget. In 1911 the Clerget company produced what it claimed to be an improved rotary engine. It had two mechanically operated valves in each cylinder head and external fuel manifolds to direct fuel to the cylinders. The most famous Clerget-powered aircraft of WW I was the Sopwith Camel.
Specifications: Model B; nine-cylinder air-cooled rotary; bore 120 mm., stroke 160 mm., displacement 16.3 liters, 130 hp. at 1250 rpm.; weight 173 kg.
Accession no. 1992G51
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