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--- Ed Sasser <boldeagle@...> wrote:

>
>
> ---pvanderw@...
> > wrote:
> >> In regards to close-windedness in general, I
> believe we go better
> >if I don't try for too small an angle to the wind.
> >
> >Two comments about catboat sailing in general.
> >
> >1) In deciding how far in to sheet the boom while
> beating, remember
> >that the pivot axis of the sail is at the bow, more
> like a jib than
> >the main sail of a sloop. A genoa is typically
> sheeted near the rail
> >near the widest point of beam. Therefore, the boom
> of a catboat may
> >cross the rail at about the widest part of the
> boat. With a Cape Cod
> >cat with wide beam, the boom would be in farther,
> generally with the
> >end of the boom just about over the corner of the
> transom. Don't take
> >these specific guidelines too seriously; the point
> I want to make is
> >that it is easy to overtrim and have the boat point
> high but go very
> >slowly.
> >
> >2) With most catboats, if you let the boat lie
> broadside to the wind
> >with the sail just about all the way out, the boat
> will hold steady
> >making a little forward motion and a little leeway.
> If the bow heads
> >up a little, the windage of the mast and sail blow
> it off. If the bow
> >heads down a little, the sail fills and generates
> weather helm, and
> >the drives the bow up again. From this situation,
> if you pull the
> >sheet in, you can get more and more forward motion
> with less and less
> >leeway with the boat continuing to selfsteer.
> Howeever, you have to
> >be more or less on the edge of luffing. The mizzen
> should give you
> >bigger range of adjustment to make tricks of this
> sort work.
> >
> >Peter
> >
> >
> >Bolger rules!!!
> >- no cursing, flaming, trolling, or spamming
> >- no flogging dead horses
> >- add something: take "thanks!" and "ditto!" posts
> off-list.
> >- stay on topic and punctuate
> >- add your comments at the TOP and SIGN your posts
> >- To order plans: Mr. Philip C. Bolger, P.O. Box
> 1209, Gloucester, MA, 01930, Fax: (978) 282-1349
> >
> >
> >Your use of Yahoo! Groups is subject to
>http://docs.yahoo.com/info/terms/
>
>

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>http://boatbuilding.com/
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---pvanderw@...

> wrote:
>> In regards to close-windedness in general, I believe we go better
>if I don't try for too small an angle to the wind.
>
>Two comments about catboat sailing in general.
>
>1) In deciding how far in to sheet the boom while beating, remember
>that the pivot axis of the sail is at the bow, more like a jib than
>the main sail of a sloop. A genoa is typically sheeted near the rail
>near the widest point of beam. Therefore, the boom of a catboat may
>cross the rail at about the widest part of the boat. With a Cape Cod
>cat with wide beam, the boom would be in farther, generally with the
>end of the boom just about over the corner of the transom. Don't take
>these specific guidelines too seriously; the point I want to make is
>that it is easy to overtrim and have the boat point high but go very
>slowly.
>
>2) With most catboats, if you let the boat lie broadside to the wind
>with the sail just about all the way out, the boat will hold steady
>making a little forward motion and a little leeway. If the bow heads
>up a little, the windage of the mast and sail blow it off. If the bow
>heads down a little, the sail fills and generates weather helm, and
>the drives the bow up again. From this situation, if you pull the
>sheet in, you can get more and more forward motion with less and less
>leeway with the boat continuing to selfsteer. Howeever, you have to
>be more or less on the edge of luffing. The mizzen should give you
>bigger range of adjustment to make tricks of this sort work.
>
>Peter
>
>
>Bolger rules!!!
>- no cursing, flaming, trolling, or spamming
>- no flogging dead horses
>- add something: take "thanks!" and "ditto!" posts off-list.
>- stay on topic and punctuate
>- add your comments at the TOP and SIGN your posts
>- To order plans: Mr. Philip C. Bolger, P.O. Box 1209, Gloucester, MA, 01930, Fax: (978) 282-1349
>
>
>Your use of Yahoo! Groups is subject tohttp://docs.yahoo.com/info/terms/

_____________________________________________________________
the BoatBuilding.Communityhttp://boatbuilding.com/
the Internet boatbuilding, design and repair resource