Ed: I don't own US Tower product but have replaced tower limit switches several times....these are fairly generic devices, and Square-D makes a ton of great industrial switches, many different config
That switch indeed says "Allen Bradley", but that IS the classic Square-D switch I referred to in an earlier email! Perhaps A.B. bought Square-D, or the switches are private-labeled? In any case, the
Ed...I'll send you some pix direct & off-list. The factory install (Tri-Ex) has the upper limit switch mounted near the top of the LOWER tower section...so the switch is accessible (about 25' above g
Ouch! You're to be commended for your honest confession (and I feel your pain)! If it was me telling the story publicly I think I'd have bootlegged some non-existent call. We all have "oh sheisse" st
I have a Tri-Ex tower which is similar design. The Tri-Ex has a 40:1 gearbox and things are geared VERY low. I have been able to hand-rotate the pulley in the absence of AC power to move things. If y
I have a similar, but not identical, Tri-Ex tower. With my tower, when this happens, sometimes the upper/lower limit switch has jammed, shorted, corroded open, etc. With the Tri-Ex and I assume HD, i
Depends on a lot of variables. It's not just the ice, but wind loading upon the steel + ice + coax + rotor + whatever other forces are acting on the tower. And of course, did the installation meet mf
Garry I have an LM470 up and have replaced the motor before. It uses a Leeson Washdown motor, and I know some soruces where you can purchase one. Before you go too far you need to find out which LM47
A DC short (with an ohm meter) may not be an RF short (at 220 Mhz or wheverever you're operating). Try the antenna with proper coax & connectors, at low power (a few watts). If you have an SWR or wat
And alternatively Tennadyne T6 log periodic: $500, 20-10 meters inclusive (including WARC, and some users have had good results on 6M), 12' boom, weighs 37 pounds. 5+ dbd gain, 6+ sq. ft. wind load.
Hi John, and congrats on your new T10 (great antenna, you will not regret it!). I have found that owls (north-pointing or not) work for a while, and then the critters discover the owls are phonies. A
Yes I'm using a T-28 approx 8' above a T-10 with good results. Will be happy to share details with you but offlist. 73 Dan K0DAN _______________________________________________ ______________________
Well what the heck...a number of people asked for my comments regarding the T28. I wanted to keep the comments off-list in order to avoid flame wars and the inevitable "mine's better than yours" deba
Take a look at the catalog sheets, I seem to recall there were subtle differences in the descriptions of G2800xxx as opposed to the smaller models. The G2800 has a second or two of delay after your r
The schematic shows that the G2800 uses 6 wires. I rewired my connectors to add the 6th wire, but discovered it will operate on the original 5 wires as with G800, G1000, etc. I don't have access to t
I have not found a 3rd party source for Yaesu rotor repairs. As I understand it, the factory service will repair the control box but not the outdoor rotor unit. (Beware, the factory repairs are not c
As others have suggested there's lots of nice new gear out there if you want to buy a new wattmeter toy. And a few others have suggested you don't need a new mater at all. If you want to keep money i
Yes, if you can access the control cable at the base of the tower you can apply +/- 15VDC to pins 4 & 5 and the rotor should turn. Be sure to first remove the cable from the controller in the shack.
FWIW When I put up my TriEx LM470 I did estimates for backhoe + framing versus hiring a well digger & auger. Ended up the auger was less costly and less labor/material to build forms and less require
Doug I could be mistaken but I thought all models of the LM series WERE motorized. If this is the case, it depends on the condition of your tower... (is there a cable drum present? Are there cables &