[TowerTalk] 30 foot Rohn 25G calculations

[Roger (K8RI) on TT]

On 2/12/2015 9:58 AM, bcarling at cfl.rr.com wrote:

You do know that 30' of 25G unguyed will support only a very small 
antenna and is dangerous to climb without temporary guys of sufficient 
strength?

73

Roger (K8RI)

> (I'm not sure if my earler message came  through, not seeing it....)
>
> I am putting together a permit application with my city which requires certfication for 139 mph
> for three second gusts as in TI-222 spec. Also steady 100 or 110 mph I think. I will review
> that.
>
> We are making a 30 foot Rohn 25G tower according to the Rohn specification with  4 foot
> cube base of concrete with no guys. I'm just qualifying the tower for the permit.


---
This email has been checked for viruses by Avast antivirus software.
http://www.avast.com