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Re: [TowerTalk] masts.

To: "jeremy-ca" <>,
Subject: Re: [TowerTalk] masts.
From: Rick Scott <>
Date: Mon, 04 Jun 2007 04:59:08 -0700
List-post: <>
At 01:55 PM 6/1/2007, jeremy-ca wrote:
>There are several grades of fence posts; the cheap stuff is Schedule 15 and
>other choices go up to 83,000 psi yield strength.
>The 2"  (1.9" OD) 40+ that I use has a yield of 50,000 psi and a bending
>moment of 14050 lb". Going up to the 2 3/8" OD bumps the bending moment to
>24405 lb". Pretty healthy specs IMO and a good choice when DOM or chrome
>moly isnt required. And since it is produced in huge quantities the cost is
>fairly low.
>Schedule 15 of similar 1.9" OD has a bending moment of 9100 lb". The next
>size smaller  is only 6830 lb".
>Id warrant a guess that hardware/box store import fencing is far less.
>I found the specs on the following URL, it covers a wide range of pipe and

So what kind of local stores carry this.  Home depot lowes has stuff 
that I can bend
with my fingers it seems.

Scotty W7PSK.


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