Thanks Rick. I don’t have a down haul and wondered if that might be the problem.. I’ll try that. Thanks again.
Graham

On Tue, Jul 18, 2023 at 4:52 AM Ric Stott <ric at stottarchitecture.com> wrote:

> This looks to me like a halyard/down haul tension issue. It appears that
> you have a ‘Continental’ rig with a Stack Pc or Lazy Jack system. It should
> be easy to pull on some down haul to tighten the luff of the sail.
> Ric
> Dadventure.
> HBNY
>
> Sent from my iPhone
>
> > On Jul 18, 2023, at 2:59 AM, Graham Stewart <gstewart.gm at gmail.com>
> wrote:
> >
> > My mainsail hangs with a diagonal crease that I can't seem to get rid
> of.
> > The sail was new a few years ago and was purchased while I was restoring
> > the boat - which included replacing the inner stay chainplates. I also
> > changed the furling gear and afterwards it seemed that the inner aft
> stays
> > and the aft stays were shorter than before.
> > Might the rake of the mast create this problem or might it be a
> > poorly constructed sail? I have attached a picture in case one of the
> > expert sailors on the list can make a suggestion.
> > Thanks,
> >
> >
> > Graham Stewart
> > Agile 76
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>
-- 
Graham Stewart
gstewart.gm at gmail.com