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Kayak and Canoe Design Bulletin Board
Hull shape and crispness of leaned turns
Posted By: Jan Gunnar Moe
Date: Thursday, 10 June 1999, at 4:00 a.m.
What follows is pure speculations, to be corrected if wrong:
I would believe that leaned turns with 22" wide CLC North Bay XL will be crisper than with standard 20" wide and same length CLC North Bay, due to the more curved hard chines.
For same reason I believe that leaned turns with wider and shorter CLC Chesapeak 17 and Pygmy Arctic Tern will be even crisper, for the same reason.
Then again, believing that hard chines in back of hull is what is most important for crisp leaned turns, I could theoretically try to compare Arctic Tern with Chesapeak - if I knew their hulls well enough.
Well, I don't. But the Arctic Tern may seem to be slightly more symmetrical or even a tiny bit swede form, while Chesapeak may seem to be slightly fish form. So one should maybe guess that if rocker and sharpness of chines and cockpit placement relative to buoyance center were the same the Arctic Tern might carve sharper turns than the Chesapeak. But here I see that speculations dominate, so not even an unqualified guess will be given.
Well: Is crisp leaned turns that important? Probably not. I am just trying to increase my understanding about what design properties will give what behavior.
Jan Gunnar
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