Syl, The C31XR has Force 12's Magnum Easy On mount. You can leave the boom attached to the mount and rotate the boom down to where you can reach the connectors, then rotate it back in place and secur
Syl, How much mast is available above the C31 ? Could you slide it up higher on the mast ? Here's what I would do first. Make a sketch of the side view of the C31XR to scale, something easy to work w
Jim, With my 2EL Force 12 40M yagi, I followed Tom Schiller's guidelines and set it up initially at 15 feet above the ground. When I raised it up to 70 feet the resonance frequency increased by 20khz
wow Roger, Reminds me of the movie Crocodile Dundy. "You call that a knife (rotator) now here's a knife (rotator)" Bob K6UJ On 6/1/16 4:11 PM, Roger (K8RI) on TT wrote: Here's a home built, chain dri
You guys are way above my head :-) I had no idea the resonant freq goes up and down as the antenna travels on its way up. I thought it just went up on a steep curve till about 15 feet then gradually
thanks Tim ! Bob K6UJ http://www.k3lr.com click on the Dayton Antenna Summary button. They are not all PDF - some are PowerPoint. Will try to get PDFs posted in the future. Antenna forum papers are p
John, N6BT has a model DXU-32, 3el 20/ 2el 40 http://n6bt.com/n6bt-DXU-32-p1-1.htm Bob K6UJ My son KC2PWX has decided he wants a small station. I use force 12 inter laced monobanders 620/340 and 515/
Shawn, It makes sense to me. Like you said, no energy wasted on the climb with hooking/unhooking the lanyards. If you need something while you are up there, you can lower a line down to the helper (b
Hans, Like you, I am also considering it for my tower. I like the idea of a safety line. I am not concerned that some might think it is not appropriate for a ham tower. Would we be too safe by using
Les, The worm drive reducer on my HDX-589 has a chain drive from the motor. Sounds like mine is mounted differently than yours, looking front side at the pulleys, there is one access plug on the left
I am sorry to see them go also. I used the Las Vegas store a lot over the years. Order one day and sometimes get it the next day, two days max with UPS to here in CA. Great to deal with. Bob K6UJ Sad
Great memories you guys. Thanks for sharing ! Bob K6UJ My OM, W9EAC would have just preceded you in 1947 while living on the south side of Milwaukee. My first recollection of the Milwaukee store on F
Be patient Bill :-) AES was one of our leading merchants of ham radio equipment, (including antennas) It is sad to see them go. We are studying the economics that may have led to their demise. As ham
Wow Dick,, You still have an MFJ-259 ? That's incredible, I think they came over on the Mayflower. Just kidding, I have one too and it still works fine. :-) I bought an AA-30 also and like the graphs
Ed, I have an HDX-589. Is the metal enclosure rusted out ? If so, a new Hoffman box wouldn't be too much. You could reinstall the electrical gear in a new box for a lot less than $1000 :-) Bob K6UJ T
Rick, That's very good to know about the contactor sticking possibility. I always watch everything when I raise or lower my HDX-589MDPL motorized tower. I made a 25 foot remote control with up/down/o
The NordLocks look pretty good. I am trying them on My Orion 2800 mounting to the rotor plate and the clamp to the mast. Bob K6UJ https://www.facebook.com/Trustmeiamamechanicalengineer/videos/7468277
Thanks for the info on the limit switches. I am going to replace the ones on my HDX589MDPL. They still work OK but it they have been there of quite a few years. A little preventive maintenance.......
FWIW, I retired from Chevron after 28 years. Worked in three of their oil refineries and the last 7 years at their Research Center in Richmond, CA. On mechanical fasteners used on vibrating machinery
thanks Les, I will check to see which ones my tower uses. Bob K6UJ I have two UST towers. One uses these switches and the other, newer, one uses Allen Bradley 802T-AP Ser J switches. I bought one new