4:1 is not enough in heavy air. As you increase the purchase (6:1), you will have more friction which makes it more difficult to ease the sheet in light air. Also, as you increase the purchase, you will have a longer sheet, and it will take longer to sheet in and out. I have a 4:1 purchase plus a mainsheet winch. The winch gives me the extra strength I need in heavy air, and the 4:1 (rather than 6:1) lets me sheet in and out faster. You have to decide what is more important for you.
Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR On Sun, Oct 23, 2022 at 9:37 AM Joe Della Barba via CnC-List < cnc-list@cnc-list.com> wrote: > I just now unrigged the mainsheet and replaced it with a 4:1 mainsheet and > cam cleat that I had as a preventer for a proof-of-concept. The preventer > has been on the boat for so long I forgot where it came from, but looking > at the mainsheet systems online and at Bacons it became obvious this IS a > mainsheet so I decided to try it out. So far it has only got a light air > test, I am loving the lack of friction compared to the stock system that > goes up to the mast and back to a winch. > My question is this; will 4:1 be enough? Bacon's has a 6:1 mainsheet for a > reasonable price, I can buy that and send the 4:1 back to preventer duty > easily enough. > > While I was at it I noticed the vang, one of those Quick-Vangs with a > spring, had the line fed through a turning block far enough from the mast > that it had a significant change in tension as the boom swung. I have no > idea how I haven't stared at this for decades and not noticed, the yard > installed it ages ago and I just never realized they did it wrong. Now the > line feeds to a turning block almost at the pivot point, changes in tension > will be almost nonexistant. > > > Joe Della Barba > Coquina C&C 35 MK I > Kent Island MD USA > > >
