Re: [Paddlewise] throw bag construction

From: Dave Kruger <dkruger_at_pacifier.com>
Date: Tue, 28 Mar 2000 16:08:01 -0800
Philip Torrens wrote:
> 
> >From: "Shawn W. Baker" <baker_at_montana.com>
> 
> >Your math is figuring a static load--a 300 lb. load "hanging" on one end
> >of the rope.
> 
> Douh! Right you are - I was thinking of the "fall factor" for climbing
> ropes, not the situation where the water supports much of the weight of the
> loads. That said, I still imagine that a jerk at either end of the tow line
> (referring, of course, to boats moving in opposite directions - not to the
> paddlers themselves-:) could exceed several hundred pounds. Glancing through
> a catalogue of commerical towlines (some sea kayak specific) I don't see
> anything weaker than 800lbs breaking strength.
> I think it was Dave K. in Oregon who did the detailed formulas. Dave, Dave,
> come in Dave, we need you.

I did a back of the envelope thing, but I think it was Neverdosky who did the
real math.

IIRC, we came to a consensus of a couple hundred pounds, **unless** you get
caught towing in a surf zone.  But, then, you shouldn't be towing in a surf
zone (and you soon will **not** be, if a sizable wave breaks on you or the
towee!).

-- 
Dave Kruger
Astoria, OR
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Received on Tue Mar 28 2000 - 16:04:04 PST

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