Subject: Re: [harryproa] Light air sails
From: Doug Haines
Date: 4/30/2009, 9:18 AM
To: harryproa@yahoogroups.com.au
Reply-to:
harryproa@yahoogroups.com.au



g'day carlos,
 
having now seen what the everglades challenge is about (websites), i would like to be there and try it.
gardner and yourself mentioned putting proas in. why haven't you? or is that your clear finished hull proa in the photos?
what is the rules/course that makes a need to row/paddle some parts?
is there a bridge to lower under, and also up a narrow river, so that the kayakers get some advantage back against the sailors?
 
doug

--- On Thu, 30/4/09, Gardner Pomper <gardner@networknow.org> wrote:

From: Gardner Pomper <gardner@networknow.org>
Subject: Re: [harryproa] Light air sails
To: harryproa@yahoogroups..com.au
Date: Thursday, 30 April, 2009, 10:51 PM

Wow, you guys have a lot more energy than I do <grin>

I am willing to roll out a furling sail for a 5 minute shunt, but to
pull a sail out of its bag and raise and rig it, I better be on this
course for at least an hour.

I did post a diagram of what I have in mind under "Gardner's
layouts/Contrarry/ sail plan.pdf". I think that will do it for ease of
use and using just the centroid of the sails, it keeps the COE behind
the mast, so the whole rig will still weathercock, but I don't know
enough about sail design to know if it will work. Hoping that some of
the people here in the forum do, though. Any sailmakers?

- Gardner

On Thu, Apr 30, 2009 at 8:39 AM, carlos Solanilla
<carlosproacarlos@ yahoo.com> wrote:
>
>
> Gardner
>
> Since you were talking about having a light air sail to be left for long
> runs - i.e. a long time in-between shunts, then
>
> Have you consider doing a "tranportable" code zero type of screecher set up?
> What I have in mid is to have  a low stretch line like spectra from the top
> of the unstayed mast, have a screecher either on a spineaker sock or a wire
> with a furler.
> On the LW hull you will need a pair of stainless steel bow pulpits where you
> will hook the tack of the sail,  and   on the opposite site the hull at the
> other bow tie the end of the line to compensate for the forces created by
> the screecher.
>
> I would guess you could have a third line going back to the T-top of theWW
> hull creating a temporarily stayed mast
>
> So the sequence of events would look like this:
> 1- pull the tack end of the sock from the LW hull hatch, walk it to the
> active bow and secure to rail
> 2 - pull the head of the sail, clip it the hailard
> 3 - walk the sheave to the other bow and raise the screcher/sock
> 4 - optional is take the haylard and tie it to the ww hull at the T-top
> center or whatever strong structure you have
> 5- open the sock and you are done
> 6- ready to shunt - reverse steps
>
>

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