On Dec 7, 2011, at 10:56 AM, Gene Fuller wrote:
> Bottom line, if the manufacturer can't, or won't, give you 90 mph data or at
> least the projected tower area and, taking into account the materials used,
> the maximum allowable restraining moment, then they probably know nothing
> about things like section modulus and moment of inertia and never did the
> calculations themselves, in which case I would have second thoughts about
> buying their tower.
> Gene / W2LU
Well I suspect Rohn knows what they are doing. They DO give 70, 80, 90 mph
ratings for the G series of towers, but not the BX series. Maybe they do know
what they are doing...and know that the numbers for 90 mph are not good.
TowerTalk mailing list