| 21. | Animation showing the "'four-stroke cycle "'of an internal combustion engine, the most commonly used for automotive and industrial purposes today.
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| 22. | In addition, four-stroke cycle flat-fours have a problem common to all four-cylinder engines : the power strokes do not overlap.
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| 23. | Knock occurs when the peak of the combustion process no longer occurs at the optimum moment for the four-stroke cycle.
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| 24. | However, in the real world probably 95 % of the combinations have no really useful relevance to the four-stroke cycle.
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| 25. | American World War II Diesel-electric submarines operated on two-stroke cycle, as opposed to the four-stroke cycle that other navies used.
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| 26. | American World War II Diesel-electric submarines operated on two-stroke cycle, as opposed to the four-stroke cycle that other navies used.
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| 27. | However, Detroit Diesel 2-stroke cycle engines commonly use oil cooled by water, with the water in turn cooled by air.
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| 28. | I think the two-stroke cycle article could use a pollutants section . moink 21 : 04, 4 June 2006 ( UTC)
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| 29. | The engine is a two-stroke cycle design, capable of producing, and doing up to about on level ground, while getting about.
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| 30. | Glow engines which operate on the four-stroke cycle, whether using ordinary poppet valves or occasionally opposed twin and radial engine layouts.
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