[Towertalk] Large thimbles - better?

[Jim White]

I question whether this is better or not...I AM NOT A STRUCTURAL ENGINEER SO
FLAME AWAY>>>>>>>>

By using the "oversize" thimble you take those forces and you concentrate
them on the "low point" of the over size thimble - with the guy grip the
forces (my unedjukated beleef) would be more spread out - since the guy grip
over time will conform to the diameter of the area it is wrapped around...

OK all you ME, PE, CE have at me!

Jim, K4OJ

----- Original Message -----
From: <brewerj@squared.com>
To: <towertalk@contesting.com>
Sent: Wednesday, June 26, 2002 1:19 PM
Subject: [Towertalk] Large thimbles


> I dont know if I'm violating the Prime Directive by doing something
> that is not specified by the manufacturer...... but.........
>
> It would seem that providing a large thimble for the grip to ride in
> in the top of a guyed Rohn 25 tower (grip around leg) would
> make for less chafing and sawing action than the grip bearing
> on the leg and "Z" wire.
>
> Given that, a large thimble....5/8" or so would be useful to let
> the grip ride in.
>
> The question is, who's got thimbles of that size? I can tell you it's not
> Home Despot or Lowes ....
>
> Thanks for any clues!
> John
> wb5oau
>
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