Aeroplane Monthly 1986-07
W.Morse - The Rotary Revolution (5)
A Ruston Proctor-built 150 h.p. Clerget 9Bf in the RAF Museum’s Sopwith Camel, F6314, at Hendon. The staggered pushrod entry holes coincide with the two valve cams within the cambox. Note the data stamped on the propeller
A Clerget in another of the RAF Museum’s aircraft - this time Sopwith Triplane N5912, which has a Gwynnes-built Type 9B.