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> Philip Odom asks:
> What is the easiest way to accurately measure diesel engine rpm? Strobe?
> I have tachs that always read differently and I would like to know which
is
> correct.
>
>
> REPLY
> If you only want to a spot check of the calibration, the strobe effect
of a
> fluorescent light is as good as any.
> If you want a continuously reading meter which is accurate; that is
another
> matter.
>
> Ever since someone realized that you can pick off pulses from
alternators, the>
Superb post, as usual Arild.
Just one question of your questioners.....unless one needs perfect
synchronisation ( and for us single engine sailors who cares?)
surely ball park accuracy is near enough. I know how "Stirling" feels at her
various cruising revs, and I cant see any advantage in knowing to the
nearest revolution just how fast the Volvo is turning.
Or am I missing something??
Cheers
Glenn.
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