Re: baidarka PVC coated polyester - stitching

Michael O'Flynn (moflynn@sd23.bc.ca)
Mon, 30 Nov 1998 19:45:07 -0800

From: "Michael O'Flynn" <moflynn@sd23.bc.ca>
To: <baidarka@lists.intelenet.net>
Subject: Re: baidarka PVC coated polyester - stitching
Date: Mon, 30 Nov 1998 19:45:07 -0800

Hi Guys!

Please don't go underground with this. I might not be using it now, but it
never hurts to get a little hard-learned information on the side!

-----Original Message-----
From: HendrikMaroske <HendrikMaroske@swol.de>
To: baidarka@lists.intelenet.net <baidarka@lists.intelenet.net>
Date: Monday, November 30, 1998 5:00 AM
Subject: Re: baidarka PVC coated polyester - stitching

>Stefano Moretti wrote:
>
>Dear Stefano,
>
>> I've tested Pattex transparent and similar Bostik "plastic welder" with
>> a home made test again: 4 by 4 cm would not give up when pulling really
>> hard, I assume more than 60 kg shear traction.
>
>:))
>
>> A seam of 500 by 2 cm should be able to bear a whole lot of tension and
>> point loads.
>
>One important point is if the skin keeps together
>after folding and assembling several times. This
>is true for the pattex mixture.
>
>> However the problem may arise in use if the glue tends to fail over
>> time, then the stitching would come in useful.
>
>It does only where it never held in the first 5 minutes.
>That's why it is so important to keep clean surfaces.
>
>I like your idea of sanding!
>
>> I would like to avoid stitching, not too much for the extra work, but
>> rather for the extra water accessing the hull. In my experience even the
>> spray skirt cannot be made fully waterproof due to stiches.
>
>Preliminary stitching doen't take too much time and
>is very pleasing to do.
>
>> Anybody has a good all round purpose recipe for waterproofing stitches
>> in waterproof fabric ??
>
>I put a rub strip over every seam and have had good results.
>
>In my first attempts, I also have put rub strips inside
>the skin; this is _not_so_good_, since skin folds less
>easy, is more heavy and tends to develop folds. I simply
>cannot glue on the frame from the inside :))
>
>> PS Where's Gene ?? Its' like an empty space out there...
>
>Hope we don't bore all others. If so, a single email
>would suffice to make us continue privately.
>
>Cheers,
>
>Hendrik