I used an HBX-56 with a TH7 on top for over 15 years with no problems...The top section did have horizontal foot braces on it. 73 Rich beams off it. I found it horribly uncomfortable (no horizontal s
I have heard of others taking their motors to a local electric motor shop to be rebuilt. Costs normally are pretty low compared to a new replacement...and these motors are pretty common. Rich N7TR --
Has anyone extended an HDX-589 while horizontal the ground? Any potential damage by doing this as long as the sections are supported with blocks while on the ground? Thanks... Rich N7TR ex KI3V, N3AM
Thanks for all the comments on this. Looks like I should be OK. I have a bunch of old power pole pieces that Ill put under the sections as it rolls out. I now need to find someone who is willing to c
I have an HDX-589 up right now and the base section per face is around 30 inches. I just bought what I thought was another HDX-589, but the base has a face of 34-35 inches and was built with a 3 inch
Just re-measured the tower.... 37in on the bottom and 18 in top section. Looks to be an HDX-689. The base plate was not a standard T-Plate either...but a large full plate with 4 bolt holes per leg. E
Anyone have specs on the HDX-689 old z-brace model? Looking for cable sizes and foundation specs, and anchor and mounting bolt specs. I'll call US Tower next week to see if they have any docs around
I modified mine with the hy-gain clamp. Been up for many years and major winds with no problem. I think those cast clamps are pretty cheap from MFJ now. 73. Rich _____________________________________
Try here... http://www.amazon.com/Oleum-7785-830-ZINC-SELE-Galvanizing-Compound/dp/B00173757K 73 Rich N7TR Steve, et. al: Has the EPA or someone else banned cold galvanizing spray pint? I've been to
Im about to pour 16 yards of concrete for an HDX-689. Are there any real benefits to using 5000 psi vs 3500 psi concrete? Thanks... Rich N7TR ex KI3V, N3AMK, WB3JOV www.n7tr.com<http://www.n7tr.com>
Having three crank-up towers here and just about ready to install one of the original HDX-689 crank-up's (Waiting for the foundation to cure), what gear box is recommended for this type of use? I hav
I just checked two of my crankups and the HDX-689 has a Hub City 381 60:1 reduction....and the HDX-589 has a Hub City 321 60:1 Reduction. The HDX-572 is painted over and cannot see the model...Im goi
I'm installing a k7nv prop pitch rotor in a few months and wanted to know what and where others have purchased their 10 gauge 3 conductor wire from? This will be around 350 feet long and need to bury
Looking for a functional Control Box for the Yaesu G-2700 or G-2800. Thanks.. Rich Rich N7TR ex KI3V, N3AMK, WB3JOV www.n7tr.com<http://www.n7tr.com> Telnet: dxc.n7tr.com N7TR DXCluster _____________
Looking for anyone who installed a TIC Ring on an HDX-689. What model ring and what section did you mount the ring on? Any other issues you found with doing this? Thanks.... Rich. N7TR ______________
I have two of these 15m6 antennas on different towers. We get some bad winds here and have been up for over 6 years with 60 to 70 mph winds several times a year. No issues and they work great. 73. Ri
With my HDX-689 I just upgraded the W2550 winch to the W3000 worm gear. N6RK has this as well on his HDX-5106. I bought a Harbor Freight High Torque Right Angle drill that was on sale I think for $50
http://www.yccc.org/Scuttlebutt/2000/butt0012.pdf Page 6 73 Rich N7TR I guess there are a host of ball bearings in a race between the clam shell of the bottom and top parts of the motor housing of th
Im looking for the 5 inch OD Pulley Sheave for the HDX-689. This is for the žin cable. I need to order a few of these as I'm replacing all the cables on the tower right now. I know US Towers had them
I tried calling US Tower all day...but phone just rang. Not sure if there is a holiday somewhere that they didn't come to work today. I found that the bearing inside the sheave is a K10 bearing. Look