A centreboard or centerboard (us) is a retractable keel which pivots out of a slot in the hull of a sailboat, known as a centreboard trunk (uk) or centerboard case (us).. Keel design: what's best? by ted brewer. article taken from good old boat magazine: volume 3, number 4, july/august 2000. ted brewer reviews the ins and outs and ups and downs of keel design. the purpose of a keel, fin, or centerboard is to provide resistance to making leeway; in effect, to keep the yacht from sliding sideways through the water due to wind pressure on the sails.. The centerboard only gybes when it is all the way down - as soon as you start to rake it back in the trunk, the fat leading edge of the foil will jam enter the trunk and cause the centerboard to jam in a straight fore-aft position. home › marine › design tips & fabrication overview › design tips. design tips. as for any given boat.
I think the keel/centerboard designed, as mentioned above, is the best cb configuration. this design is used by hinckley, bristol, little harbor, cheoy lee (pedrick 41) and alden to name just a few builders.. Sailboat centerboard and daggerboard. the adjustable centerboard or daggerboard’s purpose is to counteract the sailboat's tendency to drift sideways.as well as converting the sideways motion into moving forward under sail it also acts as the pivot point around which the sailboat turns.. A short list of centerboard cruising boats. posted by at 01:16pm - comments: (17) november 20, 2012. being stuck on the west coast of florida, with two shoaling channels offering the easiest access out to the gulf of mexico, i’ve suddenly become more interested in centerboard cruisers..
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