Join Date: Nov 2008
Location: Deale, MD
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Re: reducing draft depth ?
That last couple of inches of keel is where the most work in ballasting the boat is (weight lower is more effective than high).
So, sure. If you reduce sail by about 50% or more and otherwise ruin the boat or turn it into a displacement trawler.
Keel depth also affects pointing ability into the wind.
Naval architects crunch a LOT of numbers to get the keel right. Noodling with a pencil on napkin is not how to do it.
The right answer is going to be "sell the boat and buy the one you need."
Chuckles last sentense is dead on; you will change the lateral plane, CG, pitching moment, righting moment... everything. If it can be done right, it will cost what the boat is worth. Better to exchange.
(when asked how he reached the starting holds on a difficult rock climbing problem that clearly favored taller climbers - he was perhaps 5'5")
"Well, I just climb up to them."
by Joe Brown, English rock climber
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