I have installed a number of 15 meter beams and currently have a 5/5/5 stack... I learned many moons ago that especially the 155 antenna has a wind resonance. on quit days with certain wind speed ( n
Gary, Sorry Gary I mean the end is flush and glued with RTV and the end cap... it's the other end that has the 4 inch TAIL. to have dampening contact with the adjoining element tube.. Wayne W3EA If y
John, You 100% correct ,,, the dampening is required because of taper design, As I said in one of my past posts,,,,, The Hi Gain 155 design with out dampening rope , wit ha slight breeze will vibrate
Paul, IMO the 1/8" .120 off center and the larger base hole with it's .060 clearance to the center line C/L I would use a die grinder and elongate the offending two base plate holes . Wayne W3EA Got
I have to agree 100% with you Patrick, I have used water levels for home footings. setting up Batten boards on foundations and laying out guy level that need to be parallel @100' for a layover towers
Agreed Grant. I have two 6 ft. Aluminum bubble levels... I use cheap black electrical tape ( not Scotch 33 or 88 ) to attach them to the first section @ 90 degree angles on one leg.... this method ha
MY Go to paint for galvanized tower sections is.. rust Bullet Metallic Gray https://www.amazon.com/Rust-Bullet-Standard-Industrial-Inhibitor/dp/B00028EVG4/ref=sr_1_11? ie=UTF8&qid=1501783537&sr=8-11&
Mike, Not 100% what's triggering your fear, IMO if is debilitating ... DO not Climb. If the tower is UP try just going 20 ft at a time. building your confidence in the structure and then in your Safe
I have OWLS in the night and Turkey Vultures in the morning perched drying there wings in preparation to Soaring flight. Both are protected be law the Vultures use to short out the loading wire on th
I Ditto that Dave. The Bible ( Rohn Catalogs ) as far back as I can remember always had a diagram in the "general " Tab of the catalog regarding A: the Safety Wire ( through the turnbuckles Bodies an
If my gray matter recalls, ES5TV lost his fantastic 8 - 5 element H frame ARRAY because he did not use safety wires on the turnbuckles and lost the installation ! https://www.youtube.com/watch?v=Z9fD
Tonno, I am sorry Tonno, I was the one who started this RUMOR or "Fake News " I did remember it was you who lost a tower with a safety wire and wrongfully assumed it was the 15 meter H frame :( My ap
Hi Wizzer AKA. Charlie I have been using an AB Chance 110V 15 amp T308 3000 lb Capstan winch. IMO I have a Greenlee Wire Tugger to start, but bought ane AB chance Capstan winch. I made a aluminum cha
Hi Rick. I can't speak for other model of Capstan winches, But as for the AB Chance 308117 3000 lb winch. It rate of pull is 12 ft. a min. with 4 to 5 wraps of your pull rope on the drum and your abi
John When I first used a Greenlee Wire tug' er it has no provision to tie the free end off and so you pulled a loop through a tower rung and did a Halfhitch the AB Chance units have either a T handle
Hi Don, I agree there are no at least know to me any dust WX covers for vertical mounted winches. The best I have come up with are https://www.amazon.com/gp/product/B007JMOSAA/ref=oh_aui_detailpage_o
I also use M-17 - RG 400 MIL-17-G v on my Balun , line isolators and all in shack coax. It's Double Shield ,stranded Center Cond and Silver-plated TFE insulation and jacket. I had made a few 20 years
hello TTers. In the past I have used the Rohn tower ground clamp or the a pipe SS ground clamp with bronze mounting lug. Lately I have opted for the DX eng. unit https://www.dxengineering.com/parts/d
Hello TT'ers. I am In the process of rehabbing a Force 12 Delta 240/230 beam antenna. In the past I have rebuilt/repaired the original F-12 wires with Aluma-weld 12GA. If my memory serves me there wa
John, RGR on Linear loading is not the BEST electrical ( RF) Design.... the Tornado loading coals available from JK would be the cat's MEOW but a 48 apiece X 8 and then the new extra aluminum need to