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post #12 of Old 07-25-2019
olson34
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Quote:
Originally Posted by Jonah71 View Post
I will check my boat speed and RPM at full throttle in the right conditions and report back. I assume my tach is accurate although I'm not certain how to verify this. Thanks.
I checked the rpm on my engine using a piece of white tape on the front crank pulley and a digital laser-pointed rpm reader from Harbor Freight. It was under $30. as I recall. I wanted to verity that the tach in the engine panel was accurate, and it was.

1988 Olson 34, by Ericson Yachts.
Sail # 28400
Betamarine 25 (new 2018)
RCYC, Portland, Oregon
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