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From: Shawn W. Baker <baker_at_montana.com>
subject: [Paddlewise] Kayak pulleys - this one lifts 55lbs.
Date: Tue, 05 Oct 1999 16:11:19 -0600
Tubular webbing from your local climbing shop would make good kayak
saddles if you're not willing to give up your good tow strap.

Phil wrote:
<<snip>>
> - Note Fleet Farm sells quality rope
>cheap. It's just like the climbing stuff, but not
>trustworthy enough for human life.

Most kernmantle climbing ropes are made from nylon--the stuff at Farm &
Fleet is usually polypropylene (not stretchy)--definitely not safe stuff
to climb with.  That said, however, it is pretty stout stuff, and
polypro floats.  This is basically the same stuff used in non-Spectra
throw ropes--cheaper too!  Don't confuse this stuff with the cheaper
yellow hollow-braid rope, which doesn't wear nearly as well, and is
weaker.  The good stuff comes in multi-colored braids (the inner core is
usually white) and in 3 or 4 thicknesses--you can't push it together and
see through it.  I wouldn't trust it to climb on, but I'd sure trust it
to tow someone to safety.

Shawn
Now that I think about it, on my way to Farm & Fleet to buy a new kayak
tow rope!
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From: Allan Singleton <allan.singleton_at_voyager.co.nz>
subject: Re: [Paddlewise] Kayak pulleys - this one lifts 55lbs.
Date: Wed, 6 Oct 1999 12:02:12 +1300
>Karen Hancock asked about storage pulleys
>
>Check out Bicycling Magazine's bike holders _ Pictured
>on their website.
>
>http://www.performancebike.com/profile.html?sku=2268
>
>click for a larger image...
>
So I did, printed it, and went out to the garage to try it out. My existing
arrangement had separate pulley systems near each end of the kayak, so the
idea of only having to pull on one rope was attractive.

After about half an hour it was all rigged, with the free end of the rope
coming down near the stern. Start pulling and - up goes the stern, but the
bow stays sitting on the cradle. At the point where the rudder was about to
wipe out a light fitting I stopped (another reason for not having a
rudder?), but the bow had still not started to lift.

The rope is 10mm diameter, and the pulleys are ex a yacht, good quality and
the appropriate size for the rope, so excessive friction is not the problem.
I cleated the rope, went to the bow and lifted it until the kayak was level,
and it was quite stable, but when I hauled on the rope again up went the
stern only. It took three trips to lift the bow to get the kayak high enough
and keep the light fitting intact. A second person stationed at the bow
would solve the problem, but I don't normally have one available when I want
to do my lifting or lowering.

With something as light as a bike this system should be fine, you could pull
on the rope with one hand and guide the bike with the other hand if
necessary. For single person operation with a kayak it is not so
straightforward.

Now if I fitted a double pulley about half way, and ...................?


Allan Singleton
Hamilton NZ


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From: Nick Gill <nicholas.gill_at_adfa.edu.au>
subject: Re: [Paddlewise] Kayak pulleys - this one lifts 55lbs.
Date: Wed, 6 Oct 1999 09:53:25 +1000
my three year old system uses cheap pulleys and shackles and cheap cotton rope from a hardware store. Works fine.

i effectively have one rope to pull on. I use two extra pulleys fastened to the ceiling/beams in line more or less with the centre of the boat. both the bow and stern ropes run back to, and through, these from their respective pulleys, then down into and through a ring bolt screwed into the wall. THis brings them together so they can be pulled as one, and up goes the boat.

nick
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