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Aviation History
1924
1924 - 0105.PDF
FEBRUARY 21, 1924 . General arrangement drawings of the Salmson A.D.-3"light 'plane engine. the~cylinders~are~of steel with aluminium fins. The pistons are of aluminium'alloy, and the single-throw crankshaft is of chrome nickel steel; the connecting rods are also of the .latter material. The valves are located in the head, and are operated by push-rods. A Claudel carburettor, with constant level and altitude corrector, is fitted, the mixture being led to a distributing chamber formed in the rear portion of the crankcase, thence to each cylinder. Ignition is by Salmson • V' h v>if^^H^^^|E ' ^^^^IK^ ' "J magneto, and lubrication is by pressure. The airscrew is driven direct. The normal petrol consumption is 250 gms. (0-55 lb.) per horse-power hour, and the oil consumption 15 gms. (0-33 lb.) per horse-power hour. The compression ratio is 5-5. The overall width and length (fore and aft) of the A.D.-3 are both within 0-650 m. and the depth is 0-550 m. Sergant.—-The Sergant is an extremely interesting and, judging from actual performance, successful little engine, differing radically from other types of light 'plane engines. It has been successfully employed in the Farman and Breguet Another view of the Salmson 3-cyl. radial engine, fitted in a light 'plane. The Vaslin 4-cyl. light 'plane engine—an unusual type having the cylinders in pairs horizontally opposed. Two views of the Sergant 4-cyl. vertical air-cooled light 'plane engine. 105
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