Tomckayak_at_aol.com wrote: > ... The principal of moving weight forward or back to trim the > handling of a kayak is probably as old as the kayak. ...<snip>... > This will be my last Posting on this subject, others can have > the last word. Well, here are my last words (for the time being): I agree with you. Moving weight around to alter the handling of a boat is a very old technique, and it can be *very* effective. Much of the "need" for rudders or drop-down skegs is the result of people either not really understanding the effects of trim on performance, or not wanting to have to deal with the issue. An example involves a recent day paddle that I took with a friend who was paddling a Solstice GTHV. Properly loaded, this boat has very neutral handling and does not "need" a rudder, but on this day, in the conditions we encountered, his boat suffered from severe weather helm. The reason? He stuck all of his gear in the bow compartment. This being a day trip, he did not have a lot of gear. Even so, placing all of this gear in the bow compartment changed the trim to the point where he had two choices (short of repacking): expend a lot of energy on corrective strokes, or drop his rudder. He did the latter, as this was less inefficient than making constant corrective strokes. I was paddling a rudderless, skegless boat, which was loaded so as to be about as neutral as is possible in any kayak, and thus did not "need" a rudder or skeg. Admittedly, in highly changeable conditions, an advantage of rudders or drop-down skegs is that they can be "fine-tuned". But this fine-tuning does not gain one very much (and comes at a cost). The primary gains from using a rudder or drop-down skeg arise in those circumstances where the trim of the boat is seriously off, necessitating not "fine"-tuning, but rather "coarse"-tuning to eliminate the need for constant corrective strokes. Dan Hagen Bellingham, Washington *************************************************************************** PaddleWise Paddling Mailing List Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.gasp-seakayak.net/paddlewise/ ***************************************************************************Received on Wed Sep 16 1998 - 08:43:54 PDT
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