[Rhodes22-list] Leech and foot line adjustment

[Mike Riter]

This is great info guys. Thanks and keep it going!

On Mon, Oct 19, 2020 at 6:29 PM Michael D. Weisner <mweisner at ebsmed.com>
wrote:

> Hi Rick,
>
> For years I felt that the mainsail should be trimmed first, just as you
> have said.
>
> I was lucky enough to crew aboard a sailboat that always won races and
> watched as the jib was always rough trimmed prior to the main. After
> adjusting the main, the crew touched up the jib controls. I asked why and
> the answer was always about the relative position and interaction of the
> two sails. The main is in the shadow or wash of the larger forwardmost sail.
>
> I tried the process on my Rhodes 22 and was very surprised that I was able
> to change course faster and get back to speed quicker by paying careful
> attention to sail shape and deployment of the genoa before I fiddled with
> the main. One of the most important considerations was the angle of the
> genoa to the furler. It should be near 90 degrees and result in a very well
> defined curvature. In the past, I had always set the jib sheets much too
> tightly.
>
> I quickly looked for an article as a reference and found this one:
> http://sailingmagazine.net/article-17-sail-trim-101.html
> which starts with:
>
> "When discussing overall sail trim, it makes sense to start with the
> headsail for two important reasons:
>     The jib directs airflow over the mainsail.
>     The jib itself creates lift and provides a portion of the boat's
> forward momentum."
>
> I am not saying that you must set the genny first, but please give it a
> try. You might be surprised.
>
> Mike
> s/v Wind Lass ('91)
> Nissequogue River, NY
> I’d rather be sailing :~)
>
>
> -----Original Message-----
> From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> On Behalf Of
> Rick Lange
> Sent: Monday, October 19, 2020 3:03 PM
> To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org>
> Subject: Re: [Rhodes22-list] Leech and foot line adjustment
>
> Hi Mike,
>
> I respectfully take issue with your suggestion to set the genoa sail
> before the main.
>
> My training to sail a cutter rig was to first set the inner or staysail
> first, then the outer or yankee sail.  The logic is that the accelerated
> airflow over the staysail lifting surface is the greater force exerting
> more influence on the overlapping yankee than the other way around.
>
> Especially with the 175 genny on the R22, the main will have considerable
> influence on the curvature of the overlapping genny.  So I always *first
> set the main*, get it to pull as hard as I can per the knot meter, then set
> the genny leach curvature to match the main leach curvature.
>
> [image: RevSail2019a.jpg]
>
> Regards,
>
> Rick Lange
>
>
> On Sun, Oct 18, 2020 at 11:29 PM Michael D. Weisner <mweisner at ebsmed.com>
> wrote:
>
> > Adjusting the larger furling genoa can be fairly complicated. One must
> > determine the optimal location of the jib sheets and cars as well as
> > the length of the exposed sail. Once this has been accomplished, the
> > sail shape may be fine tuned through adjustment of the foot and leech
> > to keep the sail from curling.
> >
> > The genoa (headsail) should be adjusted prior to adjusting the mainsail.
> > For IMF rigs this is complicated by the outhaul tension, mainsheet and
> > traveler adjustments, not to mention sail shape lines.
> >
> > A reasonable general explanation on the adjustment of both lines may
> > be found at:
> > https://www.precisionsailloft.com/blog/leech-and-foot-lines/
> >
> > More specific information may be found in our archives at:
> > http://www.rhodes22.org/blew_skies/imf.html
> >
> > http://www.rhodes22.org/pipermail/rhodes22-list/2005-December/027408.h
> > tml
> >
> > http://rhodes22.org/pipermail/rhodes22-list/2005-June/023989.html
> >
> > Most of us have learned through trial and error. This is a great
> > reason to spend as much time as possible sailing your Rhodes 22. Books
> > only tell you what should be done. Sailing and making mistakes force
> > you to learn by correcting your errors.
> >
> > Mike
> > s/v Wind Lass ('91)
> > Nissequogue River, NY
> >
> >
> > -----Original Message-----
> > From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> On Behalf Of
> > Gmorganflier
> > Sent: Sunday, October 18, 2020 1:27 PM
> > To: rhodes22-list at rhodes22.org
> > Subject: [Rhodes22-list] Leech and foot line adjustment
> >
> > Hello,
> >
> > I’ve spent hours and days looking through the archives for tidbits of
> > info to help a novice sailor like me to know my boat better and hints
> > on sailing techniques which I copy and paste into folders on my iPad.
> >
> > I had someone at my sailing club point out something on my sails which
> > I didn’t even know existed nor had I seen discussed in the archives.
> > My Genoa has a leech line and a foot line which can be adjusted. My
> > furling main has a leech line.
> >
> > How are these used and adjusted? The person who pointed out this
> > feature to me said it looked while sailing  like my Genoa was cupped
> > on the leech and I needed to loosen the leech line..does this sound
> right?
> >
> > Thanks,
> > George Morgan
> > S/V Knotty Lady 1986
> >
> >
> >
> > --
> > Sent from: http://rhodes-22.1065344.n5.nabble.com/
> >
> >
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> --
Michael Riter
President, Trail Design Specialists, Inc.
Lead Instructor, Trail Master and mechanized training
mike at traildesign.com
678-410-8021