I would like to get everyone's opinion on this - I am planning on installing a US Towers crankup tower. These towers are rated for windloads at 50mph and 70mph. I want to stack 2 beams on the tower.
ORIGINAL MESSAGE: -- REPLY FOLLOWS -- Sooner or later you're going to get winds below 50 which suddenly gust to over 70. I would recommend the opposite approach: Keep it cranked down and only crank u
Crank up towers using manual winches do not like to lower when strong winds are blowing. The weight of the sections is not great enough to overcome the binding forces between sections. Most if not al
Crank up towers using manual winches do not like to lower when strong winds are blowing. The weight of the sections is not great enough to overcome the binding forces between sections. Most if not al
Assuming one has installed a crank-up tower with a motor drive...it confounds me why anyone would leave the tower up at all unless they are QRV. I use the US tower HDX-589 mdpl and NEVER leave the to
Dan: Yes, I tried lowering my 50 foot crank up once in a heft wind and nothing happened, execpt the cable went limp. I just tightened the cable back up and said to heck with lowering it. Tower and be
You've asked the classic risk acceptance question... What happens if the tower fails? Death, destruction, disaster? Or just minimal financial loss from broken parts? Somewhere down the road, diligent
Hi, I'd say the answer to your question is yes, particularly in light of Jim's comments. Instead of a crankup and wind speed meter, why not a freestanding that meets all of your requirements? I'm sur
Did you consider a fold-over tower? The fact that you say you cannot use guys suggests that you are space limited? I have a very nice motorized 72 ft. fold-over Heights tower, PE rated for 35 sq ft o
Why is this your only option. You didn't say which UST model you are considering, so I will assume that it is the heaviest one in their catalog. Perhaps they or another crankup tower company can make
Hard to give any meaningful advice. You haven't told us the tower model, it's height or construction. Is it lattice or tubular? You haven't told us the windload rating of the antennas or what bands t
Let me share a story from about 20 years ago. I had a UST crank up, HDX 555, with a 20 ft moly steel mast and a tail twister. Th7DXX and a 2 element shorty forty on top. Well below the 30 sq ft @ 50M
I second that - with just a minor change your plan will go from one that is more risky than safe into one that's more safe than risky. W6AQ has a crankup with a lot of really big antennas on it, but
As long as you want "to get everyone's opinion on this" here is my $.02... I have the 71' U.S. Tower tubular (MA-770MDP, MARB-770 etc with the motor drive and remote control). I chose this tower beca
Indeed. And, for that matter, if there were an honest-to-god life or death emergency during a howling storm, you might leave the tower up because the communications is more valuable than the potentia
Thank you everyone for the replies. They have been very insightful. I was not planning on installing the motor with the tower - just the hand crank winch. My original idea was to install my 3 element
Author: "Richard M. Gillingham" <rmoodyg@bellsouth.net>
Date: Mon, 16 Oct 2006 08:47:29 -0400
I gotta tell you, I really regret not getting the MDP 750 with my MA-550 tower from UST. It's a significant bit of work to crank the thing up and down on a daily basis. I'm seriously considering taki
Have you tried cranking one of these up or down? There is considerable effort involved, and cranking down is not any easier than cranking up. The arm motion required is a little unusual. It takes me
That UST TX472 would be seriously overloaded at 90 MPH. It's rated as 10.3 sqft at 70 mph. I didn't do the numbers, but I wouldn't be surprised to find that it wouldn't, or maybe would just barely, s
I remember looking into this at one time. I don't recall the source of my information, but I think my MA-770MDP derates to something like 2 sq ft of windload at 90 MPH. Again, that 15-20 foot mast ch