Alan, The tower that I found is a Tashjian (formerly Tri-Ex) WT-51. It is a crank-up , tilt-over, 51 ft. tower. It is rated at 10 sq. ft. @ 70 mph. I had to get it rated for the So. Florida Building
Cupertino has a 12 inch width limitation, which is just enough for Rohn 25. Basically, that limits you to guyed towers or self supporting pipe towers. A 55 foot Sky Needle would be perfectly legal. I
Can't find anything about Sky Needles except that they were made by Tri-Ex, which is no more. I understand that Tashjian took over Tri-Ex but was getting rotten reviews, and I can't find "Sky Needle"
Well, when they were available, few people took advantage of them. Instead, they saved money and used an MA-550 and cranked it down when the wind came up. Perhaps US Tower would be willing to make a
Yes, US Tower WILL make a heavy duty version of the MA-550. I believe they quoted me an extra $1000 to do it. and Kelly Johnson _______________________________________________ See: http://www.mscompu
Many states/counties/cities have gone to IBC-2000 90 MPH wind calc requirements. US Towers is unable to provide these calcs to perspective buyers. Their specs are to UBC-97 70 MPH wind calcs. I tried
I just looked over the calcs on the HDX-5106 and I would estimate that it is not capable of 90 MPH cranked up (extrapolating from 50 and 70 MPH numbers). That is why IMHO they won't do the 90 MPH cal
Yes, but US Towers will not provide UBC-2000 90 MPH wind calcs for ANY tower they manufacture. Richard (Rick) Karlquist (N6RK) wrote: I just looked over the calcs on the HDX-5106 and I would estimate