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| Ev Archive for March 1999 |
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| 1534 messages, last added Wed Aug 08 18:44:43 2001 |
[Date Index][Thread Index]
Re: Tach thoughts
IR LED systems are troublesome. Hall effect are trouble free. IR systems must worry about dirt and alignment (Chrysler used these in their early electronic Ignition systems because they were cheap, but they were troublesome and more complicated then a hall
system. Now they use a hall effect).
Joe Klein
Process Technologist
H-power Corp.
Russell Levine wrote:
> On the idea of tach sending units, why not drill all the way through the flywheel - 1 hole for each 2 cylinders of the original engine (assuming it's a 4-stroke) - and use an IR LED and pickup to create the same pattern as the spark/distributor output?
>
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