On 6/2/09 8:55 AM, "Dave Dahlgren" <dave.dahlgren@snet.net> wrote:
> How do you plan on testing it?
Actually, a knock sensor is really just a microphone, and can be hooked
up to any laptop. There are multiple free-ware programs which can analyze
wave-forms. This gives me an analog to digitalized representation sort of
like a sample and hold oscilloscope. Moving the sensor around the idling
engine until I see the quietest signal is first. Then I advance the timing
until something new appears on the screen. That wave form will be what I
want to keep from seeing as I play with other variables.
Thanks
Greg
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