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Total 17 documents matching your query.

1. [TowerTalk] Force12 rebuild (score: 1): Author: N5KM - Kris <n5kilomike@gmail.com>; Date: Fri, 20 Dec 2019 14:01:20 -0600; Hi all, Im rebuilding my Force12 40m yagi. What would you recommend as replacement for the alumoweld linear loading wires? Some of these wires have snapped in the past due to years of vibration. Note; /archives//html/Towertalk/2019-12/msg00110.html (6,697 bytes)
2. Re: [TowerTalk] Force12 rebuild (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Sat, 21 Dec 2019 09:50:35 -0600; I don't know how similar it is, but it might be worthwhile downloading the JK403 manual to see if there are any ideas there you can use. 73, Scott K9MA Im rebuilding my Force12 40m yagi. What would y; /archives//html/Towertalk/2019-12/msg00111.html (7,493 bytes)
3. Re: [TowerTalk] Force12 rebuild (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Sat, 21 Dec 2019 08:12:57 -0800; Kris, I have a JK 403 40M yagi. It does not use the linear loading wires like the older Force 12 did. It uses a small shunt coil at the antenna feed points. How about using stainless steel rod ? I do; /archives//html/Towertalk/2019-12/msg00112.html (9,483 bytes)
4. Re: [TowerTalk] Force12 rebuild (score: 1): Author: K9MA <k9ma@sdellington.us>; Date: Sat, 21 Dec 2019 10:17:37 -0600; I'd think SS would be heavy and lossy. 73, Scott K9MA I have a JK 403 40M yagi. It does not use the linear loading wires like the older Force 12 did. It uses a small shunt coil at the antenna feed po; /archives//html/Towertalk/2019-12/msg00113.html (9,280 bytes)
5. Re: [TowerTalk] Force12 rebuild (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Sat, 21 Dec 2019 08:23:21 -0800; I have a JK 403 40M yagi. It does not use the linear loading wires like the older Force 12 did. It uses a small shunt coil at the antenna feed points. How about using stainless steel rod ? I don't kn; /archives//html/Towertalk/2019-12/msg00114.html (9,906 bytes)
6. Re: [TowerTalk] Force12 rebuild (score: 1): Author: Bryan Swadener via TowerTalk <towertalk@contesting.com>; Date: Sat, 21 Dec 2019 17:37:26 +0000 (UTC); I'm using nickel-copper wire rope on the 40m linear loaded elements of my F12 C-4XL. McMaster-Carr has 7x7-strand 1/16" diameter for $1.24/ft (#3453T32). Bryan WA7PRC: -- Hi all, I'm rebuilding my Fo; /archives//html/Towertalk/2019-12/msg00115.html (7,866 bytes)
7. Re: [TowerTalk] Force12 rebuild (score: 1): Author: Howard Hoyt <hhoyt@mebtel.net>; Date: Sat, 21 Dec 2019 14:59:37 -0500; Hi Kris, I went through this a few years back and published a blog on the process including links to materials: https://proaudioeng.com/force-12-c-4sxl-rebuild/ Good luck and have fun! I did... Howi; /archives//html/Towertalk/2019-12/msg00116.html (7,322 bytes)
8. [TowerTalk] Force12 rebuild (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 21 Dec 2019 14:13:06 -0800; <Im rebuilding my Force12 40m yagi. What would you recommend as replacement <for the alumoweld linear loading wires? Some of these wires have snapped in <the past due to years of vibration. <Note: as; /archives//html/Towertalk/2019-12/msg00117.html (8,474 bytes)
9. Re: [TowerTalk] Force12 rebuild (score: 1): Author: Richard Smith <n6kt1@sbcglobal.net>; Date: Sat, 21 Dec 2019 22:26:59 +0000 (UTC); Hi Jim, Sorry to sound dumb, but what is an hb coil? 73, Rich, N6KT On Saturday, December 21, 2019, 02:13:15 PM PST, Jim Thomson <jim.thom@telus.net> wrote: Date: Fri, 20 Dec 2019 14:01:20 -0600 From; /archives//html/Towertalk/2019-12/msg00118.html (9,178 bytes)
10. Re: [TowerTalk] Force12 rebuild (score: 1): Author: N4ZR <n4zr@comcast.net>; Date: Sat, 21 Dec 2019 22:14:16 -0500; In fact, I believe F12 in later years made the 40M single-band antennas (called the Delta line) with coils in place of the linear loading. That said, I had one up at 104 feet for 15 years with the o; /archives//html/Towertalk/2019-12/msg00122.html (10,308 bytes)
11. Re: [TowerTalk] Force12 rebuild (score: 1): Author: Chuck Tifft via TowerTalk <towertalk@contesting.com>; Date: Sun, 22 Dec 2019 06:23:34 -0800; Converted mine a couple years back to Coils from N6BT Antennas. He also supplied the needed tubing for the conversion and I think it all came to less than $300. Chuck W6RD 73, Pete N4ZR Check out th; /archives//html/Towertalk/2019-12/msg00123.html (11,675 bytes)
12. [TowerTalk] Force12 rebuild (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sun, 22 Dec 2019 09:41:40 -0800; < Hi Jim, <Sorry to sound dumb, but what is an hb coil? <73, Rich, N6KT tight, its slid off the pvc form. Turns are then spaced out to spec..starting with a screw driver at one end...spiraling round; /archives//html/Towertalk/2019-12/msg00124.html (8,416 bytes)
13. Re: [TowerTalk] Force12 rebuild (score: 1): Author: Mac <libbysales@austin.rr.com>; Date: Sun, 22 Dec 2019 14:11:19 -0600; HB= Home Brew ...made it myself sorta thing .. mac/mc w5mc On 12/21/2019 4:26 PM, Richard Smith wrote: Hi Jim, Sorry to sound dumb, but what is an hb coil? 73, Rich, N6KT On Saturday, December 21,; /archives//html/Towertalk/2019-12/msg00126.html (10,194 bytes)
14. Re: [TowerTalk] Force12 rebuild (score: 1): Author: N5KM - Kris <n5kilomike@gmail.com>; Date: Sun, 22 Dec 2019 16:47:06 -0600; Hi Howie, Good info in your write-up. Thanks for the alumoweld source. Bill, W2AY, also provided that link. I had checked the various wire sources but didn't think of MFJ/Hy-Gain. Re: seized standoff; /archives//html/Towertalk/2019-12/msg00128.html (9,210 bytes)
15. Re: [TowerTalk] Force12 rebuild (score: 1): Author: N5KM - Kris <n5kilomike@gmail.com>; Date: Sun, 22 Dec 2019 16:53:59 -0600; Hi Pete, My 3 el 40m was also up many years. It came down when the boom to mast plate failed. I found 1 snapped wire due to metal fatigue and many sheared off rivets (not due to the failed mast plate; /archives//html/Towertalk/2019-12/msg00129.html (8,915 bytes)
16. Re: [TowerTalk] Force12 rebuild (score: 1): Author: tommy@k6ye.com; Date: Mon, 23 Dec 2019 18:48:29 -0600; Howie and Kris, Thanks, so much, for the C4 data. I have a C4-XLD that has been down since 2015. I know that the element tips for the 40 meters reflector need replacing. I am pondering: 1. Adding a t; /archives//html/Towertalk/2019-12/msg00142.html (10,269 bytes)
17. Re: [TowerTalk] Force12 rebuild (score: 1): Author: N5KM - Kris <n5kilomike@gmail.com>; Date: Tue, 24 Dec 2019 15:25:54 -0600; Hi Tommy, I can't offer any advice on the C4-XLD other than if you go the coil replacement route you should ensure the elements can handle the additional weight of the coils. Good luck an 73, Kris N5; /archives//html/Towertalk/2019-12/msg00148.html (8,901 bytes)

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