Thanks again to all who steered me to the right pages in the Rohn catalog. As mentioned, I have lots of questions and would like to get feedback from the group on my proposed design: I'm asking the t
Ted, Your antenna load exceeds the maximum rating for the U.S. Tower MA-550 at 70 MPH, which is 9 sq ft and 65 lbs. The KT34XA has a windload rating of 9 sq ft and weighs 75 lbs. If the tribander has
Hi. I'm planning a 100-foot Rohn 55 tower with a pier pin foundation. On Thursday I noticed it had been about 40 days since my tower building permit application got zoning approval and the appeal per
I don't know the exact language of the requirement yet, so it's not clear they will require a welded rebar cage. According to the Polyphaser book, wire-tied rebar has been shown to be a very effecti
many shapes and sizes - one with perfectly formed sides is the exception. Even if the sides of the hole have sloughed, just fill the hole with concrete - no muss, no fuss with forms and you're confor
Can you give us some examples of safe and unsafe use of the Gin Pole? _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@
On my 72-foot tubular crankup, which spends much more time down than up, I use Bury-flex. It's available from Radioware (http://www.radio-ware.com/). Excellent loss characteristics and more flexible
Background: I've got a permit for 100' of Rohn 55 that will support a three-stack of 4-element SteppIR yagis and a 40-2CD. The 40-2CD will be on the mast and all three SteppIRs will be on TIC rings.
Thanks to all for the thoughtful responses to my questions on guy placement. I'll let everyone know when I've made a final decision. Background for the next questions: During the years before Rohn we
I believe the interaction was only with the 4-el SteppIR. _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.c
Hi. I'm looking for references for Hill Communications out of Bloomington, Ill. I'm considering buying my Rohn 55 sections and parts from them. Prices are the lowest I can find. Can anyone who has us
I'm planning a 100'-110' Rohn 55G tower that will be located on a hill with a slope of about 30 percent. The preferred guy placement would have two of the guys running across the slope uphill and one
Hi. I plan to follow the recommendation that short EHS leaders be used at the bottom of my phillystran guys to avoid damage from vandalism and brush fires. The leaders will be long enough to put the
When I first bought my 72' crankup in 1997, someone at U.S. Tower fed me that line about legal liability being the reason they don't have documentation. Later, when speaking with the president, Bruce
Fall arrest lanyards are not designed for positioning, and positioning lanyards are not designed for fall arrest. Depending on the design of the fall arrest lanyard, this person may be weakening the
I don't understand. The most likely situation in which the harness would into play is when the belt positioning lanyard is not attached to the tower (i.e., you're climbing.) In that case, the belt d
Excellent question. I've wondered the same thing. There have been a number of posts on this reflector indicating that serious injury can occur if you fall with a fall-arrest lanyard attached to the f
Frank, Can you provide some detail on your solution? How many dampers did you need and where on each guy were they placed? How did you determine these parameters? If they were placed out of reach fro
Obscure question: Does anyone out there know for sure whether Andrew L7PNM-H (N-male) connectors for LDF7-50 1-5/8" heliax will fit RFS Cellflex LCF 158-50 JU 1-5/8" hardline made by Cablewave? The t
Yep, got three of 'em from the UK off ebay. Got them before I found out the hardline was RFS and not Andrew. Thanks for the reassurance. Anyone else have an (experienced) opinion? 73, Dick WC1M _____