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Your knot meter probably registers a bit fast . You can compare to a GPS reading, but the two instruments are not measuring the same thing. Still, you can compare the two on a calm day with no current. Or look for a measured mile on the water in your area and check your knot meter against that. But conditions have to be perfect for any of these to be accurate.
And as a designer named Robert Perry told me once, the 1.34 multiplier is only a starting point.
SailorMitchSailing winged keels since 1989.
1.20.09 Bush's last day the end of an error !! Hopefully we still have a constitution and economy left by then.
"Compassion and tolerance are not a sign of weakness, but a sign of strength." The Dalai Lama
good planets are hard to find-- a song by steve forbert
I have but one lamp by which my feet are guided, and that is the lamp of experience. I know no way of judging the future but by the past.-- Patrick Henry.