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Sea Kayaks Techniques Bulletin Board
Re: weather cocking -lee cocking???
Posted By: Jay Doorly In Response To: weather cocking -lee cocking??? (Robert N Pruden)
Date: Sunday, 18 July 2004, at 1:56 a.m.
: Can someone please define these for me, I have forgotten their respective
: definitions. On the rudder front, I think a rudder is good for a kayak
: longer than 17 feet, especially one with a deep keel front and back.
: Having paddled an 18'er, I had a tough time making quick turns. Then
: again, if I am paddling an 18'er, maybe I don't really need to turn too
: quickly.: Robert N Pruden
Weather cocking is a tendency, due to a boats windage profile, that causes the boat to turn toward the weather (i.e. into the wind). This is a good thing in a sailboat since compensation requires a near constant angle on the tiller which enhances the hydrodynamic low pressure on the keel and hull and improves windward performance. It's also good for a kayak since it helps the boat hold station without paddler intervention (whereas lee-cocking would send the boat on an out of control ride and likely capsize it. The point is the magnitude of these tendencies; a little weather-cocking is good, a lot of weather-cocking is bad. Excessive X-cocking on a sailboat can be reduced by easing the mainsheet, on a kayak on-deck storage must be adjusted. On kayaks equiped with rudders the rudder may exhibit better use as a sail (in the storage position).
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