In a message dated 6/25/03 9:32:34 PM Pacific Daylight Time,
> I have been given 170 feet of Rohn 25G in excellent shape. I live in
> Jackson County. FL. Wind zone is 95 MPH
> Honest opinions on setting up tower?
You didn't mention what your proposed windload would be.
> I understand that the 25G is only rated at 90 MPH in any configuration over
> 100 feet. BUT it is rated at 90 MPH at 190 feet. Will the 20 foot
> reduction give me enough of a safety factor?
You might want to have a PE or engineering-type run some calcs on your
proposed installation. You still need the windload info.
> As much as I have read about
> Rohn's conservative nature is this excessively risky?
Might be - it depends. Tower capacity is a direct function of leg
strength; 25G legs aren't real substantial so they have their limits, as do all
The towers are designed to TIA-222 specs so ALL towers are conservative.
In all cases the LXC Prime Directive should be observed: "DO what the
manufacturer says." Failure to comply is at your peril.
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