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Old 02-06-2009, 10:11 AM   #18 (permalink)
dcb
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Quote:
Originally Posted by instarx View Post
But how are you going to measure pulse length?
Quote:
Originally Posted by dcb View Post
piezo fuel line tach sensor
It is something DieselJohn had mentioned a while ago. The steel fuel lines actually expand during the injection on the old diesels, and it can be sensed with a clamp on sensor that came with some tachometers.

Edit: found a reference, don't know what the signal looks like though.
http://www.onosokki.co.jp/English/hp...ve/ge1200.html
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