Explain two stroke and fore stroke SI & CI engine

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manish sharma

  • Mar 22nd, 2012

In the two stroke SI Engine there are we get the power one rotation of crank shaft.....in two stroke there is a one suction stroke and second is power stroke.

In four stroke SI Engine there are we get the power in two rotation of crank shaft......
in this one is suction stroke, second is compression stroke, third is power stroke, forth is expansion stroke............

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Manpreet Singh

  • May 10th, 2012

In two stroke SI & CI engine , there are two stroke of piston and one revolution of crankshaft to complete one cycle.....IN two stroke engine there are ports...

But IN four stroke SI &CI engine , there are four stroke of piston and two revolution of crankshaft to complete one cycle....In four stroke engine there are valves...

1stroke = the movement of piston from one dead center to another.

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Mohan raj

  • May 5th, 2013

if the suction,compression, power and exhaust are completed in two strokes of the piston, i.e one revolution of crank shaft, it is called as two stroke and if the four processes completed in four strokes of the piston, i.e two rev of crank shaft,it is called as four stroke engine.

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