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[Towertalk] Knots for Guys

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Subject: [Towertalk] Knots for Guys
From: (Jon Ogden)
Date: Mon, 06 Jan 2003 06:45:04 -0600
While I am a major bowline fan, I don't know if you'd want to do this.
Knots do reduce the strength in a line.  So your knot would reduce the
strength of the Phillystran.  I forget by how much but I think even the best
knots reduce it by 20% or so.

Take that into consideration.  If the forces on the guys still fall within
rating, I don't know why you couldn't do it.

I'm not an expert on this though.  I'm just using basic logic and your idea
makes sense given the above caveat.  But perhaps some of the more
experienced guys (no pun intended) here can give you a better answer.



on 1/5/03 11:37 PM, Jerry Keller at wrote:

> There was a lot of discussion recently about knots, particularly the bowline
> for making loops and using when the knot would remain under tension. I want
> to use Phillystran to guy a 40 foot aluminum tower that I bought, and I'm
> wondering if I can use bowline knots to secure the line around the thimbles.
> I would definitely secure the line ends to the main line (maybe tape them?)
> and the guys would be under constant tension so the bowlines shouldn't slip.
> Secondly, with Phillystran, would I still include a turnbuckle in each guy
> to allow for adjustment, tightening, etc?
> Last, would I have to use an aluminum thimble at the tower so it would not
> be disimilar metals?
> Advice appreciated.... Jerry
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Jon Ogden
NA9D (ex: KE9NA)

Citizen of the People's Democratic Republik of Illinois

Life Member: ARRL, NRA
Member:  AMSAT, DXCC

"A life lived in fear is a life half lived."

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