of the piston compresses the gases into the com-bustion space. Further, at the end of the second stroke theuncovering of a port enables a fresh charge of mixture to passfrom the carburettor into the crankcase. Magnetos.—High-tension magnetos are largely employedto ignite the charge of an aerial… … I 2 Piston DisplBcementf/nches) 3 3/3 Fig. 52.—^Indicator diagram of two-stroke engine.Mean pressure= 62*81 lbs. per square inch. Speed of engine=900 r.p.m. be recommended, even although the weight of the engine isthereby slightly increased. Carburettors.—A sketch of a jet carburettor is shown…
Airplanes
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