[TowerTalk] Guyed self-supporters (was "Concrete suggestions")

[Jim Lux]

http://home.earthlink.net/~jimlux/radio/math/catenary.htm  has some
equations to get  you started.
----- Original Message -----
From: <W2fca at cs.com>
To: <towertalk at contesting.com>
Sent: Friday, April 18, 2003 7:21 PM
Subject: Re: [TowerTalk] Guyed self-supporters (was "Concrete suggestions")


> In a message dated 4/18/03 21:23:02 Eastern Daylight Time,
> olinger at bellsouth.net writes:
> << If you sight down them, you will see that they are not pulled
>  "straight-line" taut. They have a certain "bow" to them. This is a
>  function of the weight of the guy pulling down in the center against
>  the design tension trying to pull it straight, and the gradual loss of
>  leverage to lift the middle by pulling as the line becomes straighter. >>
>
> Cool. I gotta look into this. It's been years since I did the kind of math
> needed to check the droop on a catenary but now I'm interested in this.
I'll
> have to check out my guys tomorrow and play with some calculations.
> That's assuming that I can remember them. But these days I have a better
> chance of recalling calculus from 1969 than I do of remembering my new
work
> phone number from last week.
>
> Frank
> W2FCA
>
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