I checked our rules and there is no limitation on whisker pole length in our region. Dave
> On Mar 20, 2019, at 6:24 PM, Michael Brown via CnC-List > <cnc-list@cnc-list.com> wrote: > > I race handicapped by PHRF Lake Ontario which has no rating adjustment for > whisker pole length. I picked > up a Forespar Line Control which goes out to 22', a fair bit for a 30' boat. > > In light air, 4 knots TWS, setting the sails perpendicular to the wind works > as well as anything else I have tried. > That has the pole low at both ends, barely above the lifelines. > > At a higher wind speed the common advise is to trim the genoa so the wind > flows around it as opposed to > it being a barn door. That will bring the pole back so it is more > perpendicular to the wind, usually the > inboard end up the mast a bit and the leach pointing into the wind. A bit > like trimming a spinnaker. > > Forespar has a diagram here: > > https://www.forespar.com/pdf/F6.1-whisker-pole-brochure.pdf > > Not having the leech bouncing around helps. For me that means adjusting the > inboard end to get enough > down pressure. > > For a genoa with a 21' LP I will use all 22' of whisker pole in light air and > about 18' in moderate air. > In heavier air I switch to the spin pole which is 14.5' ( oversized and I > take a penalty ). I can tell it is not optimal but works OK. > > Michael Brown > Windburn > C&C 30-1 > > > Sent: Wednesday, March 20, 2019 12:42 PM > Cc: David Knecht <davidakne...@gmail.com> > > > > We race non-spinnaker class and a few years ago I got an extendable whisker > pole for the genoa. I am unsure about optimal settings for pole height and > length. I suspect it is sometimes suboptimal because I have noticed some > boats able to carry the genoa poled out at much closer angles than I have > achieved. Presumably the optimal pole angle is near perpendicular to the > apparent wind. It seems that extending the pole flattens the sail to some > extent but I suspect it is more complicated than that. Height I have no > idea. Any general rules of thumb? > > > > Related to this, the VMG chart I have from C&C has optimal VMG downwind > apparent angle of about 140-145? true. Are those numbers +spinnaker, > -spinnaker standard or -spinnaker wing on wing with whisker pole? Thanks- > Dave > > > > S/V Aries > > 1990 C&C 34+ > > New London, CT > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each and > every one is greatly appreciated. If you want to support the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray > Dr. David Knecht Professor of Molecular and Cell Biology University of Connecticut 91 N. Eagleville Rd. Storrs, CT 06269-3125
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