SO DOES THE 2 CYCLE ENGINE
1. time
The spark starts the explosion of the air-fuel mixture before compression. In consequence of the hot gas pressure lowers the piston and do work. It also closes the intake port A, compresses the mixture down into the crankcase, a little later opens the channel U and E Escape channel. Under compression gained fresh flammable gas flows from the crankcase by the U channel to the camera and push the explosive combustion gases into the exhaust pipe. Thus the cylinder is filled with fresh mixture.
2. time
The piston goes up and closes the channel first U, then the exhaust channel E. Compress the mixture, the channel opens and full admission to the crankcase with the new mixture prepared by the carburetor.
The crankshaft converts the reciprocating motion of piston into a rotational movement.
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