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Re: [TowerTalk] Steel vs. Phillystran guys...

To: "StellarCAT" <RXDesign@ssvecnet.com>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] Steel vs. Phillystran guys...
From: Pete Smith <n4zr@contesting.com>
Date: Tue, 21 Jun 2005 11:33:18 -0400
List-post: <mailto:towertalk@contesting.com>
That study is on www.yagistress.com

73, Pete

At 11:12 AM 6/21/2005, StellarCAT wrote:
>My plans are to put up ~134' R45G with the top ~93' being above an RTS 
>rotating
>tower rotor with guy rings... antennas will be stacked thus the tower will 
>be heavily
>loaded [we are in a 70 MPH zone here in SE AZ].
>
>I read somewhere, I think K7LXC or a link through Champion, a study on guying
>and what makes towers come down... this was several years ago. Guy stretch
>appeared to be a big problem with the tower eventually failing at the base 
>due to
>the stretch. A comparison was made between steel and philly with philly 
>stretching
>MUCH more - enough that to me it looked silly to consider it.
>
>However - since then has there been new information on the subject? Is 
>using philly
>acceptable (I know the anecdotal comments will come with that one)... ? I 
>will need
>to break up the guys if steel and this is a great deal of work so philly 
>would be better
>from that aspect - but if it is indeed less capable of holding a heavily 
>loaded tower
>(antennas along the top 90' length) then the effort on steel is worth it.
>
>Any more data in - scientific analysis to agree with or modify the 
>original conclusions
>put forth on this subject?
>
>thanks for your considered opinion.
>
>Gary K9RX
>
>
>
>_______________________________________________
>
>See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
>Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
>any questions and ask for Sherman, W2FLA.
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk@contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk

_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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