Doug,
There is a tool used for checking output on coils. It is basically an
adjustable air gap with one side is connected to the coil/spark plug
wire and the other to ground. The gap is opened up until the spark no
longer makes the jump. Of course, if you have an oscilloscope, the open
circuit voltage can be measured. Although I have never tried it, I would
think that the voltage could also be measured with a A/C voltmeter.
Tom, Redding CA - #216 D/GCC
Doug Anderson wrote:
> Hello Tom, & List,
>
> speaking of spark plugs ,..... Is there any -practical- way of
> measuring the output of a plug wire (or coil wire ) -at say cranking
> speed, to help evaluate it's 'ability" or strength ????
>
> Specifically I'm thinking of small engines i.e. Briggs & Stratton et
> at....
>
> BUT whatever answer we get here MIGHT be appropos to other engines as
> well nez pa ?
>
>
> Any ideas -or have I just got 'brain fade' ???
>
>
>
> Cheers & signin' off, -it's,"Dirt Track Doug"
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