Next message: Keith R. Pleas: "TWL: RE: RE: PassageMaker Magazine"
I bought a Strobotac off ebay so I could calibrate my tachometers. You
have be careful how your use it because you may be looking a harmonics. I
wouldn't have bought the strobotac specifically for this purpose because of
the cost. I had always wanted one for other purposes. It was a "fun"
exercise for this old retired. Electronics tech. :-)
My ultimate solution was to install a mechanically attached tach sender on
the side of the Lehman 120 engine. I connected it to a separate digital
tach at the lower helm. I like it because it isn't subject to cut-out
when the alternator stops charging on full batteries. Then I adjusted the
two old tachs to match the more accurate digital tach. The reason I still
have the old tachs is the hour meter. I didn't want to install new hour
meter and then "forward" them 3000+ to the current engine hours.
At 08:43 AM 8/1/03, Philip Odom wrote:
>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.
Ben Lewis and Mary Wilson
"BenGeM" 34' 1981 CHB Trawler
Poulsbo Yacht Club, Poulsbo, WA
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