David I agree with you on that rational for using wire to rope halyards...I use all wire to rope except for the spinn halyards
Dwight Veinot Alianna C&C 35 MKII Head of St. Margaret's Bay, NS On Mon, Dec 2, 2013 at 11:58 AM, David Knecht <davidakne...@gmail.com>wrote: > I was thinking about the recent discussions of new high tech halyards and > have a question. The PO replaced my halyards with all rope, but I don’t > know what kind it is. I have noticed significant changes in sail shape > over a day of sailing which I am presuming is stretch. Given the length of > a rope halyard for a C&C, the stretch factor seems like a serious issue. > If you have 60’ of line after uphaul, then 2-4% stretch becomes a > significant amount of change in mainsail shape. Those are the kinds of > stretch numbers I am seeing for lower tech line. I don’t want to have to > adjust the halyard during a race when shorthanded. One solution seem to be > to use a low stretch line (spectra core, etc.) and the other is wire/rope. > It looks like wire-rope is actually less expensive, so what is the down > side? Are they less durable? If someone says weight, then I am going to > ask for a calculation of the relative weight difference of wire vs rope > given the huge mass of aluminum and dacron we all have sticking 40’ off the > deck. I am hard pressed to believe that small weight difference is > significant for non-Americas cup sailors. Dave > > > David Knecht > Aries > 1990 C&C 34+ > New London, CT > > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > >
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