I finished a Proto-type mount for installing one of the new Alfa-Rings on a Crank-up plus a boom trussing set-up. Due to the size of the tower sections I ordered the larger rings, ASRING-02. For the
Looking to purchase a work platform built by US Towers for an hdx-589 crank up tower Let me know if you have anything you want to sell. Thanks.... Rich Hallman N7TR __________________________________
This morning I was lowering my HDX572 and as it was almost down one of the base ears that the raising fixture leg mounts to failed. Fortunately it was a slow drop and the tower is still ok. If it fai
Thanks for all the feedback and confirming what I suspected with the weld and what I was seeing. I could not have asked for a better controlled drop when the ear broke. I'm going to pass on getting t
If you have a work platform installed...could you send me close up pics of how its installed? Also if you have one on the ground I'm looking for pics of how its built. I have an older 589 work platfo
I'm also in the middle of deciding on using an existing foundation or pouring a new one. What thickness plate would you go with for something like an hdx589? Buying the plate and having it drilled fo
Wanted to follow up with the failure I had with my tower base. After several conversations with US Tower, the tower and base in question is actually not a US Tower brand, but looks to be an older Tri
I had a ¾ inch steel plate made up that will be used to retrofit a HDX589 base foundation to a HDX572 base. After giving both bases to the machine shop and asking them to make sure all of the holes a
Thanks for all the ideas so far. If I need to I may take the plate to a fabricator and see if they can mill these to the correct locations, but I would rather do this at my house for now. For those w
I've decided to have another machine shop build me a new plate. Trying to fix this one was going to be an issue on several fronts. Thanks again for all the info and ideas... Rich Thanks for all the i
The company I found locally has a water jet set up and If I reshaped the hole there was too much metal gone for my comfort. We could have welded in the holes...but after discussion we decided to star
I recently finished the adaptor plate for an HDX572 foundation to an HDX589. The HDX572 foundation used 1 1/8 inch anchors and the foundation was oversized with almost 18 yards of concrete. The plate
Has anyone had any problems with intermittent mixing from a close broadcast station with a Crank-Up tower? I think I may have an issue with one of my towers. Cranked up I hear mixing all over 80 mete
I have tried shorting the rotor wires to the base section of the HDX689 with no changes. I also would turn the antenna with no changes in the mixing, thinking it might have been mixing in the thrust
K0XG has some great options... http://www.k0xg.com/products/packages.html 73 Rich N7TR Greetings to the group! I'm looking for recommendations and insight into components used for a rotating tower. N
I have converted all of my gear boxes on my HDX589 and 689 towers to the Mobile Synthetic SHC 634 gear oil. This has made a huge difference in how the boxes operate as well as the heat generated when
Looking for anyone who has converted their cushcraft to 30 meters? If so..what the dimension changes you used were and how it works. Thanks. Rich N7TR ex KI3V, N3AMK, WB3JOV www.n7tr.com http://www.q
Try here Bob... https://www.rfparts.com/rfu520-i.html I've used many of these over the years....Works well. 73 Rich N7TR Why is it that I can get both male and female N connectors to go on the end of
I have done this with bot a Ring Rotor and the AlfaSpid Ring Rotor. You need to big versions of these rotors to work on the crank-ups. Some pics can be seen on my QRZ page and the mounting that was u
Who has the best price for large quantity of Phillystran? Installing two 180ft rotating towers..One tower has a 4 guy point set-up per ring. Thanks. Rich N7TR ________________________________________