[C38] How to approach an argument with a sailor
Don Strong
drstrong at ucdavis.edu
Tue Sep 13 12:40:34 EDT 2011
Anders: You might tell him that by your reckoning, they aren't getting
as much out of that boat as would a more competent crew. They should be
averaging 10-15 knots. Ask him what's wrong.
Don
On 9/13/11 9:31 AM, Anders Finn wrote:
> Advice seeking time.
>
> So, I've got a friend who sails on a VERY fast boat. A very winning
> boat. Probably one of the fastest in San Francisco. It's crewed by a
> bunch of amazing sailors including some Cup guys. However, she's not
> really a sailor and I've had to explain things like what a knot is vs
> mph. The boat is a Santa Cruz 37 rates in a 27PHRF. Now, she claims
> and has some text messages from other crew saying they've hit 26knots
> in the bay. I call BS. I pull out all my math on hull speed, plain
> force calculations on what it would take to make that boat go into
> full plane. I've tried showing what PHRF means and that a 27 means
> they only average 1/2 knot faster than the J/105's. I've tried pulling
> out their race times and showing they're only averaging about 6-7knots
> during races. . This does not matter.
>
> Probably most of us have seen exceedences in hull speed for our boats
> going down waves and whatnot. However, that's not the claim. The claim
> is they REGULARLY go 16-20 knots in bay races. This is 2x or more
> their hull speed. .
>
> Thoughts on how to explain this or anyone have experience with a SC37?
>
> Anders
>
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--
Donald R. Strong
Professor
Dept. of Evolution and Ecology
University of California, Davis 95616
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