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From: PJ Rattenbury <ratten_at_uow.edu.au>
subject: [Paddlewise] Use of Goretex in Sprayskirt
Date: Tue, 10 Sep 2002 07:46:43 +1000
Hi All,  Has anyone experience of use of the above?  I need a new skirt and
Kokatat have a Goretex skirt which looks OK.
I understand use of Goretex in saltwater is not an issue. That is, I have
read somewhere that saltwater has no deletrious effect on the Goretex
membrane and as long as you wash in fresh water.  But what about the wear
issue?  How does Goretex stand up to abrasion?
I have a walking parka made out of Reflex which is supposed to be a tougher
version of breathable membrane than Goretex.
The price difference between a standard neoprene skirt and a similar model
Goretex is about thirty bucks.
Why consider Goretex?  Because I normally paddle in fairly high air and
water temperatures and the breathable aspect appeals.
Cheers


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From: WhiteRabbit <whiterabbit_at_empowering.com>
subject: Re: [Paddlewise] Use of Goretex in Sprayskirt
Date: Mon, 9 Sep 2002 17:37:45 -0500
I don't think goretex would breath enough to make much of a difference.
Breathing in goretex means that it allow water vapor to pass through the
membrane.  The higher water vapor pressure inside the jacket "pushes" the
water vapor through.  The amount of actual air transfer is rather small.  I
doubt you would notice a difference.

I've been using a "mini skirt" in warm/hot flat water conditions and really
like it.  It keeps the drips and misc splashes out of the boat and the sun
off my legs, yet allows free air movement in and out of the cockpit.

----- Original Message -----
From: "PJ Rattenbury" <ratten_at_uow.edu.au>
Subject: [Paddlewise] Use of Goretex in Sprayskirt

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From: Bill Chitty <gwchitty_at_hotmail.com>
subject: Re: [Paddlewise] Use of Goretex in Sprayskirt
Date: Mon, 9 Sep 2002 21:34:52 -0500
----- Original Message -----
From: "PJ Rattenbury"
Subject: [Paddlewise] Use of Goretex in Sprayskirt

> Hi All,  Has anyone experience of use of the above?  I need a new skirt...
> ...Cheers


Ok, I had similar questions.  My solution was to make a Gore-tex skirt to
custom fit my boat.  The total cost was something like $20 (buying an
overstock scrub-green color material from the internet).  I used Shawn
Bakers easy method of constructing it from his geocities website.

 My intention was to buy the bomb-proof neoprene skirt for rough conditions
and use the Gore-tex for average and mild conditions.  I still think this is
the best approach after using the Gore-tex.

This project took a few evenings of work and the results were really good
even though I can't sew worth a damn.  The custom fit is tight as a drum
without sagging and puddling, just like a good fitting neoprene skirt.  This
is the key aspect for me,  the custom made skirt fits precisely like a drum
so there is no sagging.  Unlike the store-bought nylon skirts designed to
fit a range of cockpit sizes.

 One problem with Gore-tex is that you have to keep it from "wetting out"
where it finally gets soaked and can't breathe like it should.  This is the
problem that salt water is supposed to cause.

A bonus is the left over material for a Gore-tex cockpit cover.  I can keep
the night-time critters out of my boat at my campsite while letting the
moisture out at the same time.

If you try making one, use the heaviest three-layer material you can get and
consider using the generic  Gore-tex  competitors like your jacket.

Bill
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From: Craig Bowers <craig_at_bowers.net>
subject: RE: [Paddlewise] Use of Gore-Tex in Sprayskirt
Date: Tue, 10 Sep 2002 10:21:52 -0700
>A bonus is the left over material for a Gore-tex cockpit cover.
> I can keep
>the night-time critters out of my boat at my campsite while letting the
>moisture out at the same time.

Good looking covers aside, is Gore-Tex really going to work for this
application?  My impression was that it took a certain degree of vapor
pressure inside to force the moisture out.  This works in a close fitting
situation like a jacket where you have heated vapor that builds a
pressure on the inside.  But in the large expanse of the kayak, filled
with chilled air (both from radiant heat loss with the absence of a body
in the interior and the evaporative effect), I would have thought that
the net vapor transfer would be pretty much zero.
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From: John Blackburn <digipixs_at_erols.com>
subject: [Paddlewise] Gore-Tex Cockpit Covers???
Date: Tue, 10 Sep 2002 17:32:23 -0700
Craig Bowers wrote:

> >A bonus is the left over material for a Gore-tex cockpit cover.
> > I can keep
> >the night-time critters out of my boat at my campsite while letting the
> >moisture out at the same time.

Assuming you are not going to be out in the rain, something a lot cheaper and
much more breathable than Gore-Tex for a cockpit cover is 5' of bungie cord and
a hunk of fiberglass screening big enough to cover the cockpit opening.  I
can't claim this is my idea but just something I noticed someone else using.
Works well to keep the creepy crawlers out of the cockpit and allows the
interior to dry out.  Total weight and cost is minimal and easy to stash in
your boat on trips.

I use to come home and immediately take off the cockpit cover to let the
interior dry out.  One time I didn't and you'd be amazed at what can grow in
that wet warm dark environment over a week!  I always had to check closely when
it was time to load up the boats again before I put the full cockpit covers on
to make sure nothing had taken up residence in the boat.  Now I don't worry
about it, just pop the screening, put on the neoprene cover and go.  The reason
I use the neoprene covers is to help with the gas mileage while driving with
the boats on top of the truck.  I think I gain about one mpg with the covers as
opposed to without.  The reason I say "think" is my testing was not all that
rigorous, plus they keep the rain out.

John Blackburn

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From: <jfarrelly5_at_comcast.net>
subject: Re: [Paddlewise] Gore-Tex Cockpit Covers???
Date: Tue, 10 Sep 2002 19:51:38 -0400
Before buying my Pintail with an ocean cockpit a friend invited me over to
try sitting in an ancient fiberglass whitewater boat with an ocean cockpit.
As I began to slide into it he jokingly said to stick my head in first to
look for scorpions.  I took him  seriously and was glad that I did.  On the
exact spot where you would put your left thigh was a wasp nest the size of a
small watermelon.  It really would have gotten ugly.

Jim et al

----- Original Message -----
> Works well to keep the creepy crawlers out of the cockpit and allows the
> interior to dry out.   I always had to check closely when
> it was time to load up the boats again before I put the full cockpit
covers on
> to make sure nothing had taken up residence in the boat.  Now I don't
worry
> about it, just pop the screening, put on the neoprene cover and go>

> John Blackburn


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