Subject: Re: [baidarka] boat weight
From: Mark Haller-Wade (digidog@frazmtn.com)
Date: Tue Jun 01 2004 - 23:35:45 EDT
Wolfgang,
My back and I asked about this earlier, thanks. I'd still like to build
your boat, but 46 lbs is really more than I should handle with my back
injury. Perhaps if I keep the doug fir gunwales (since their strong),
and build all but the ribs with red cedar, it might help. I already
have #10 cotton duck, but I'm willing to buy another skin if it will
greatly help the weight. What do you know about finely woven polyester
dacron? Would this significantly reduce the weight or is it harder to
seal as you mention, and any weight savings in material become lost in
extra coats of sealant?
I've even been considering switching to Geodesic's Rob Roy 14, only
because they claim it can be built between 20 and 25 lbs. But I really
am enamored with your baidarka design, although I'm a little worried
about it being too tippy for my amateur kayak skills.
Thanks for your time and patience.
Mark.
On Tuesday, June 1, 2004, at 10:48 AM, wolfgang brinck wrote:
> a few posts back there was some discussion about boat weight.
>
> One of the drawbacks of cotton duck is that it absorbs water and
> makes for a heavier boat when you are done paddling. I always had the
> impression that putting a wet boat on the car was harder than pulling
> a dry boat off the car.
>
> Yesterday I actually weighed my canvas covered boat before and after:
>
> 42 lbs dry and 46 lbs wet. Something to keep in mind when choosing a
> covering. I have also noticed that some of the heavier weight
> synthetic coverings have a rougher surface and take more coats of
> sealant to fill the weave, another factor that increases final
> weight.
>
> So depending on choice of covering and sealant I would guess that
> your boat's final weight can vary as much as 6 pounds from lightest
> to heaviest.
>
> Wolfgang
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