I have used plenty of aramid fiber (Kevlar) cordage for shock line protectors and shock lines for large rockets, but never as a constant use item. They are inspected before use and if they fail the i
The URL listed in the TT compendium is no longer functional, so here's a new source for MIL-HDBK-419A: http://www.wbdg.org/ccb/FEDMIL/hdbk419a_vol1.pdf http://www.wbdg.org/ccb/FEDMIL/hdbk419a_vol2.pd
Also check out Georgia Copper (www.georgiacopper.com) for copper strap (up to 4" wide) in 0.012", 0.022" and 0.032" thickness. I've purchased their copper sheet at a VERY good price in the past. At $
I've got 50 ft. of Rohn 25G I'm putting up and would benefit from some form of elevated guys. I've seen installations in the past, such as at W4KXY's house and KA9FOX's pictures, that use elevated gu
Let us know and we'll be out to help you with the harvest! -- --JohnK 73 de W5NNH 10X 75371/M&M 117/SMIRK 6185/Six Club 285/TRA 2499/Norcross 228 F&AM -- avast! Antivirus: Outbound message clean. Vir
That's why you pay for the test. If what they pour doesn't pass the test, they have to come back out and replace what they pour. If you let them know ahead of time that you're going to pay for the te
John Hancock promptly sued the contractor/architect for the damage. The contractor/architect said, "No problem, we'll just have our insurance company pay for it." You can probably guess who had insur
I'm reconsidering my plans for putting up a tower in my back yard. Instead of putting up 5 sections of Rohn 25G and guying them with Phillystran, I'm considering putting up a Universal Tower HD21-50
Thanks, Don! I have 5 sections of 25G already in my possession. Three of them will most likely be mounted next to the detached garage to provide support for a 2m and 70cm beam, as well as the VHF/UHF
Okay, so what's the formula to determine the adjusted wind load? Is it straight multiply the wind load of the antenna by the height, in feet, above the tower? -- --JohnK 73 de W5NNH 10X 75371/M&M 117
Okay, reading some of the archives, I gathered the impression that climbing was not recommended by Universal. However, being that I weigh 230lbs in my bare feet, I think I need to stay off the rungs
That's because of the spaces in the URL. (non-standard URL) Try cutting and pasting the entire address and don't click on the blue underlined part. -- --JohnK 73 de W5NNH 10X 75371/M&M 117/SMIRK 6185
Has anyone modeled the wind load on a Spiderbeam (the commercial HD version)? -- --JohnK 73 de W5NNH 10X 75371/M&M 117/SMIRK 6185/Six Club 285/TRA 2499/Norcross 228 F&AM -- avast! Antivirus: Outbound
Polyphaser has stainless steel hose clamps that have a section that fits underneath the ground strap/wire/braid and protects from bimetallic corrosion. (not the exact term for it, I know, but I can't
Why? Prime Directive: Always follow the Manufacturer's instructions. The manufacturer recommends using strap and clamps. Polyphaser and ICE both, that is. Polyphaser is out to sell things, sure. Howe
Folks, you might want to be careful before visiting this website. It has a virus/worm called "HTML:Iframe-Inf" which is an exploit to launch invisible frames and distribute malware. I confirmed this
I'm using HamRadio Deluxe connected to my Kenwood TS2000 and an Idiom Press rotor card for my Yaesu G1000SDX. My serial ports are both coming off an IOGear dual-port USB-RS232 converter. I'm running
Darn US Snail! I haven't received mine, yet! _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lis
It's here! It arrived in the mail and I picked it up on my way out the door for a doctor's appointment. I had something to read as I sat in the waiting room. Of course, wouldn't you know it? The doct