Thread: knock sensor
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nize nize is offline
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Quote:
Originally Posted by kenikh View Post
You can apparently ballpark the frequency by piston diameter, but the actual variables are numerous and require advanced math to resolve. Here's a start:

Resonant knock frequency (kHz)= 900/(pi x cylinder radius)

http://www.phormula.co.uk/KnockCalculator.aspx
and that, really, is the 'secret formula'...
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Old 08-10-2009, 11:16 AM
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