[TowerTalk] Guying Material and resonance

[Pete Smith]

At 04:27 PM 6/11/2008, Roger (K8RI) wrote:
>My preference is the Phillystran. Although it has a tiny bit of stretch
>the catenary with EHS  will allow a lot of movement.  ROHN recommends
>3/16" EHS .  1/4" would add a lot of weight.  Tensioned properly
>resonance is not normally a problem with EHS. Catenary is very shallow
>using Phillystran.


If you haven't checked it out, take a look at http://www.k7nv.com/notebook/ 
.  He has done several very relevant engineering analyses of guyed tower 
mechanics and guying materials.

73, Pete N4ZR