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Author: Subject: Any one successfully using knock detection?
flak monkey

posted on 31/8/09 at 03:40 PM Reply With Quote
Any one successfully using knock detection?

As title, is anyone successfully using knock detection on megasquirt?

Considering it as its so difficult to hear whats going on when the engine is under load unless its on a rolling road.

Cheers,
David





Sera

http://www.motosera.com

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rusty nuts

posted on 31/8/09 at 04:00 PM Reply With Quote
Not with M/S but didn't David Jenkins use a knock detector?
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Volvorsport

posted on 31/8/09 at 05:14 PM Reply With Quote
google knock sense





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getting dirty under a bus

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David Jenkins

posted on 31/8/09 at 05:17 PM Reply With Quote
quote:
Originally posted by rusty nuts
Not with M/S but didn't David Jenkins use a knock detector?


Sure did... used the best knock detector known to man - the human ear!

LINK

A word of caution - it's really scary to hear the noises an engine makes, even if it's in good nick.






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flak monkey

posted on 31/8/09 at 05:52 PM Reply With Quote
quote:
Originally posted by Volvorsport
google knock sense


I have seen it, but heard mixed reports and wondered what peoples experiences were like on here.

Essentially a knock sensor is an amplifier which needs to be tuned/filtered to approx 6400hz.

This is the best link on the subject I have seen:

http://www.streetrodstuff.com/Articles/Engine/Detonation/Page_1.php

I like your idea David, I might give that a go.





Sera

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