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post #16 of Old 07-17-2019
pdqaltair
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Re: pointing, pinching, VMG

Quote:
Originally Posted by SanderO View Post
...The curious thing is WHY are the tell tales telling you a different story than your computer?...
They aren't. Telltales describe the flow around certain parts of the sail. But what is the best flow pattern? That varies with the boat, the condition of the sails, and the boat. Some lifting and some stalling can be correct, depending on the course.

You are seeking best VMG. Telltales are only a part of the picture, like oil pressure or engine rpm to a race car driver. Lap time is what matters. This is why trial horses were so vital before VMG computers (they still are), because not everything is visually obvious.

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Last edited by pdqaltair; 07-17-2019 at 10:10 AM.
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