h the carbureter into thecrankcase with the fuel on the suction stroke. But whileTriumph and one or two other makers retain this systemthe majority now separate the oil and fuel supplies.The usual arrangement is a drip-feed delivery to thecylinder wall, the outlet having a non-return valve,… … partial vacuum occurring below the piston on its upwardmovement. Levis, who may be looked upon as the originator ofthe two-stroke lightweight machine, has a drip feedsupply to a branched pipe, one lead being taken to thecylinder wall and the other to one of the journal bear-ings of the crankshaft.…
Automobiles · Aeronautics
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