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West Wight Potter Mailing List maintainer
dfarrell@ridgecrest.ca.us
List hosted by www.tscnet.com
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Hanks a lot Harry!
I thought....you were lateen rigged...a jib? or do you speak of the days
before the lateen?
Ken Silverman
On Fri, 21 Jan 2000 hlg@pacbell.net wrote:
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> West Wight Potter Mailing List maintainer
> dfarrell@ridgecrest.ca.us
> List hosted by www.tscnet.com
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> >3. Separate foresail from forestay (not hanked on) supported by
> >tension between jib halyard and block near point of attachment of
> >forestay to deck. Block allows foot of sail to be moved back to
> >cockpit so sail changes can be made without leaving cockpit.
> >Ingenious, but increased tension on P15 side stays and compression on
> >mast might lead to rigging failure. It might also be necessary to
> >beef up the jib's edges to handle the increased tension on the sail
> >required to maintain its shape. There is a possible benefit in that
> >the jib's center of effort might be tunable (fore-aft) with this rig.
> >
>
> >Robert Skinner, robert@140.com, Rockville, MD 20850
> >'87 Potter 15 HMS #1618 "Little Dipper"
> >ECPA http://members.tripod.com/~SpeedSailor
>
> I may be missing something, but I don't see why there would be any
> increased tension on the jib luff. Normally the halyard is pulled hard
> anyway to reduce luff scalloping of a hanked on sail. You wouldn't be able
> to pull the tack line any tighter than the halyard unless you used a winch
> or block and tackle. I think the forestay tension will generally be greater
> than the halyard tension. That is why you still get some scalloping no
> matter how hard you pull the halyard. If not hanked on, the jib luff will
> be curved slightly when sailing, with probably some loss of efficiency, but
> it would probably not make a noticeable difference on a P15. My jib,
> incidentally has a wirerope in the luff, which could probably handle as
> much tension as the forestay. Newer jibs may not have the wire, so luff
> stretch may be more of a problem (hanked on or not)..
>
> Harry Gordon
> P14 #234, Manatee
> Mountain View, CA
>
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