NoPistons -Mazda Rx7 & Rx8 Rotary Forum

1st Generation Specific 1979-1985 Discussion
View Poll Results: how do you calculate compression ratios in all motors
have you done it
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have you found it on the net
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have you seen it done
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do you know what the formula is
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Old Jun 23, 2005 | 06:15 AM
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rotisories
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Old Jun 27, 2005 | 09:35 PM
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drifter
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Moved from FAQ's.. Anyone?
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Old Jun 28, 2005 | 06:48 AM
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treceb
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like these???

http://www.hotrod.com/techarticles/54258/



http://www.nightrider.com/biketech/h...ompression.htm



http://www.442.com/oldsfaq/ofcrc.htm
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Old Jun 28, 2005 | 08:45 AM
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Compression ratio is the volume at BDC divided by the volume at TDC.



A little calculus can help with those numbers.
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