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Stroke (engine) - Wikipedia, the free encyclopedia
Reciprocating motion, used in reciprocating engines and other mechanisms, is back-and-forth motion. Each cycle of reciprocation consists of two opposite motions: there is a motion in one direction, an...
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Four-stroke engine - Wikipedia, the free encyclopedia
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As the piston reaches the top of its travel on the compression stroke, an electric spark is produced at the spark plug. The ignition system delivers a high voltage surge of electricity to the spark plug to create the spark.
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At about 70° BTDC, the piston has traveled about 2.125 inches, or about half of its stroke, ... The above numbers are ideal and provide a good example of what is occurring in an engine during compression. In an actual engine, pressures reach only about 690 psia. This is due primarily to the heat loss to the surrounding...
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TDC at the end of the compression stroke is the same as TDC at the beginning of the expansion stroke. Thus there is no difference. I assume you want to know if you are at TDC on the compression stroke or at TDC on the EXHAUST stoke.
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how can you tell if the piston is on compression stroke or exhaust stroke....if that makes sense?? ... If the heads are on the motor the easy way is to place your finger over the spark plug hole. and turn the motor with a socket. when the pressure blows your finger off. you have compression stroke.
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(b) Compression Stroke. The compression stroke begins with the piston at ... fuel is concentrated. The compression stroke ends when the piston reaches top dead ... Page Title: Compression Stroke. Back | Up | Next...
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