Seems to me that if the boat normally sails stern-low, it moves the center of effort aft and has the same effect as raking the mast on a level boat...
On Thu, May 28, 2015 at 12:51 PM, Michael Brown via CnC-List < cnc-list@cnc-list.com> wrote: > I think the initial tuning of about 8" of rake, usually done by hanging > a weight on the main halyard, is a reference assuming the boat is > sitting level in the water. At least a few of the C&C 30-1 I have > looked at are stern heavy, some by a couple of inches. I suspect > that will add some to the rake that would not be there if the boot > strip and water surface were parallel. > > Under sail with crew on board the boat may sit properly. Given that > people have reported noticing a change in weather helm from even > a modest adjustment of rake the error in initial tuning by having the > stern 2" low might be significant. > > > A couple of weeks ago while out for practice starts we flew a heavy > wind #1 ( a flatter cut ) and full main. Winds were 18 - 22 kts, gusts > to 30. It was the wrong amount of sail to have up but the helm was > fine. Eased the vang a bit and left some twist in the main, kept the > #1 flat. > > With the boat level I have about 6" of rake. > > > Michael Brown > Windburn > C&C 30-1 > > > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the > bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > -- William D. Hall, Ph.D. 617 620 9078 (c) wh...@alum.mit.edu
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