True, Rich. Forgot that. Andy C&C 40 Peregrine
On Thu, Mar 27, 2014 at 2:04 PM, Rich Knowles <[email protected]> wrote: > I think that that tuning guide is intended for a fractional rig boat. The > C&C34 is a masthead rig and won't respond quite the same way. > > There are any number of good tuning guides on the net. Here are a couple: > > http://www.riggingandsails.com/pdf/selden-tuning.pdf > http://www.practical-sailor.com/marine/masthead-rig-7055-1.html > > There are lots others. Take your pick and use common sense. > > Rich Knowles > INDIGO LF38 > Halifax, NS. > > > > > > On Mar 27, 2014, at 14:51, Andrew Burton <[email protected]> > wrote: > > From the North j/80 tuning guide, this should give you an idea of the > ratios. > Use the main halyard to the chain plates to make sure you're getting the > mast centered in the boat. > > > Slack off the lowers and intermediates, > tighten the cap shrouds so they are hand > tight. Measuring with the main halyard to > the chain plates chec > k that the mast is > straight in the boat by. Adjust as > necessary. > 2) Next, vang the backstay on so the caps > go loose. Tighten them with equal turns > on both port and starboard until they are > again hand tight. Slack the backstay and > measure the tension in the caps with a > LOOS B gauge. Adjust until you hit 28 on > the gauge. > 3) Tighten the lowers again with e > qual turns, looking up all the time > too make sure the mast stays in > column. Tighten so that they measure 20 on th > e LOOS B gauge. This will give pre-bend of 30cm > 4) Tighten the intermediates so that > they measure 18 on the LOOS gauge. > 5) Follow the Quick Tuning Gu > ide for further reference. > This is the medium wind set-up and makes sure that > the forestay sags 8cm > when going to windward. > In lighter winds the lowers shou > ld be eased a turn to give th > e forestay a little extra sag. > Conversely, in winds over 16 knots the lowers are tigh > tened somewhat to give le > ss sag. > > > -- > Andrew Burton > 61 W Narragansett Ave > Newport, RI > USA 02840 > http://sites.google.com/site/andrewburtonyachtservices/ > phone +401 965 5260 > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected] > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected] > > -- Andrew Burton 61 W Narragansett Ave Newport, RI USA 02840 http://sites.google.com/site/andrewburtonyachtservices/ phone +401 965 5260
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