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Re: [TowerTalk] Rohn 45 no guys

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] Rohn 45 no guys
From: "Robert Chudek - K0RC" <k0rc@citlink.net>
Reply-to: Robert Chudek - K0RC <k0rc@citlink.net>
Date: Mon, 2 Aug 2010 11:19:47 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I ht the Enter key too soon... it looks like the 10 foot height shows the same 
characteristic.

  ----- Original Message ----- 
  From: Robert Chudek - K0RC 
  To: towertalk@contesting.com 
  Sent: Monday, August 02, 2010 11:17 AM
  Subject: Re: [TowerTalk] Rohn 45 no guys


  Take a look at the 20 foot self-supporting figures. This must be some kind of 
"magic length" as Rohn 45 with no ice will support 22 ft^2 and with 1/2" of ice 
it will support 25 ft^2. The ice must be acting like a bracing component? The 
20' row appears to be the only height where the number "don't make sense".

  73 de Bob - KØRC in MN



  Message: 4
  Date: Mon, 2 Aug 2010 10:51:34 -0400
  From: "Lee J. Imber (WW2DX)" <lee@ww2dx.com>
  Subject: Re: [TowerTalk] Rohn 45 no guys
  To: garyschafer@comcast.net
  Cc: TowerTalk@contesting.com
  Message-ID: <7C6B18C8-E654-4EAE-BC48-819D32B494EE@ww2dx.com>
  Content-Type: text/plain; charset=us-ascii

  Here is a Rohn chart, hope this helps.

  http://www.hudsonvalleytowers.com/Docs/Self_Supporting_Tower_Chart_Rohn.pdf

  73 Lee
  WW2DX

  On Jul 28, 2010, at 11:11 PM, Gary Schafer wrote:

  > How high can rohn 45 be used with no guys if it is to be used only to
  > support one end or the center of a wire dipole, say for 80 meters?
  > 
  > How about with only top guys?
  > 
  > 73
  > Gary  K4FMX
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