We'd better get it straight from the horses mouth. The Rohn info for using G
series towers self supporting is founder here:
G-Series Self-Supporting Brochure Download
139 mph? Your house won't be standing at that wind speed, so who cares about
30' of tower? (I'll answer that: Apparently, the building inspectors).
Chris
KF7P
On Feb 12, 2015, at 9:51 AM, Roger (K8RI) on TT wrote:
> On 2/12/2015 9:58 AM, bcarling@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.
>
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