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21. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: Tom_N2SR via TowerTalk <towertalk@contesting.com>; Date: Wed, 9 Mar 2016 15:43:50 -0800; If you weld the tubing together, what is the wind rating then? Kind of difficult to get apart, but very little risk of losing electrical contact, rivets failing, rusted screws, etc. Someone should tr; /archives//html/Towertalk/2016-03/msg00150.html (8,513 bytes)
22. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Wed, 9 Mar 2016 19:28:52 -0500; I believe welding would destroy the temper and is subject to Hydrogen embrittlement, making it likely that the elements would fail unless there were a reinforcement inside that would not be heated. O; /archives//html/Towertalk/2016-03/msg00151.html (16,305 bytes)
23. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: George Dubovsky <n4ua.va@gmail.com>; Date: Wed, 9 Mar 2016 19:36:45 -0500; If you weld the aluminum tubing, you destroy the heat treatment in the Heat Affected Zone, resulting in a much weaker element. 73, geo - n4ua _______________________________________________ _________; /archives//html/Towertalk/2016-03/msg00152.html (8,979 bytes)
24. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Wed, 9 Mar 2016 23:59:30 -0500; It would certainly seem like it, but I'm not so sure. Most of the better antennas work well once tuned up and may work great for some years. The C3i antennas were great performers for some years. Yet; /archives//html/Towertalk/2016-03/msg00162.html (11,683 bytes)
25. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: Patrick Greenlee <patrick_g@windstream.net>; Date: Thu, 10 Mar 2016 09:13:17 -0600; As someone who has installed thousands of "pop" rivets both with manual and pneumatic guns I can attest to the efficacy of putting all or most rivets in their holes before popping them or distortion; /archives//html/Towertalk/2016-03/msg00164.html (12,906 bytes)
26. [TowerTalk] F12 C19XR Rivets (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Thu, 10 Mar 2016 09:25:39 -0800; As someone who has installed thousands of "pop" rivets both with manual and pneumatic guns I can attest to the efficacy of putting all or most rivets in their holes before popping them or distortion; /archives//html/Towertalk/2016-03/msg00165.html (10,111 bytes)
27. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Thu, 10 Mar 2016 22:13:20 -0500; Joint conductivity is a bit of thread drift. The OP (Me) was talking about mechanically repairing antennas. The C19XR to be more specific, so no, I did not address the conductivity issue, but stayed; /archives//html/Towertalk/2016-03/msg00171.html (18,282 bytes)
28. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: "Magnus A" <sm6wet@telia.com>; Date: Wed, 9 Mar 2016 22:04:06 +0100; Jag har från och med 8:e mars inte längre tillgång till denna mejl pga en tjänsteresa. Om du försöker att anmäla dig till VII:e graden i Skara 13/3 så var sista anmälningsdatum söndagen 6/3. Jag komm; /archives//html/Towertalk/2016-03/msg00178.html (8,324 bytes)
29. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: Kelly Taylor <ve4xt@mymts.net>; Date: Wed, 9 Mar 2016 19:21:24 -0600; Isnt a lot of this talk a bit of picking the pepper? If joint conductivity of aluminum elements was a serious issue, wouldnt we have heard something about it in the, what, 60 years weve been using al; /archives//html/Towertalk/2016-03/msg00180.html (10,856 bytes)
30. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: "ve4xt@mymts.net" <ve4xt@mymts.net>; Date: Thu, 10 Mar 2016 04:57:03 -0600; Hi Roger, I'd suggest all the failures you cite aren't actually related to the issue of joint conductivity. Solder deteriorates when exposed to weather. We know that, so why F12 didn't account for it; /archives//html/Towertalk/2016-03/msg00181.html (15,401 bytes)
31. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: Kevin Stover <kevin.stover@mediacombb.net>; Date: Sat, 12 Mar 2016 10:53:02 -0600; Someone would surely have to do a full on metallurgical analysis to be happy with the resulting Yagi. I have read every post of this discussion (God help me) and have noticed a couple things. Some of; /archives//html/Towertalk/2016-03/msg00202.html (10,602 bytes)
32. [TowerTalk] F12 C19XR Rivets (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 12 Mar 2016 09:56:07 -0800; aluminum... as in super thin stuff.....including aluminum foil used by your wife in the kitchen. The idea at time was to use the new process.... for aluminum car bodies. Obviously u wouldnt want to p; /archives//html/Towertalk/2016-03/msg00210.html (11,787 bytes)
33. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 12 Mar 2016 09:59:42 -0800; 3 inch to the 2.5 inch. from 3 inch od...down to 2.5 inch OD. A short length of 2.75 inch OD is slid over the end of the 2.5 inch tube.... then welded every 120 degs. So u end up with a stepped reduc; /archives//html/Towertalk/2016-03/msg00211.html (8,797 bytes)
34. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: Patrick Greenlee <patrick_g@windstream.net>; Date: Sat, 12 Mar 2016 12:09:39 -0600; The new F150 pickups use aluminum extensively. On 3/12/2016 11:56 AM, Jim Thomson wrote: When US steel found out about the proposed aluminum car body manufacturing method, they went beserko, and the; /archives//html/Towertalk/2016-03/msg00213.html (8,707 bytes)
35. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: Kevin Stover <kevin.stover@mediacombb.net>; Date: Sat, 12 Mar 2016 15:46:56 -0600; I believe the cabs and beds are all 5000 or 6000 series Al. 5000 in low stress areas like the cowl, cab floor and inner door panels, 6000 series is used in high stress areas like the cab, sills, and; /archives//html/Towertalk/2016-03/msg00217.html (9,971 bytes)
36. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: J Chaloupka via TowerTalk <towertalk@contesting.com>; Date: Sun, 13 Mar 2016 00:43:05 +0000 (UTC); You might want to try the product in the link. I don't know how well it works if at all, just have the link saved for a time that I might need it.Weld-Aluminum.com::Order Page Video Instructions Home; /archives//html/Towertalk/2016-03/msg00220.html (11,955 bytes)
37. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Sat, 12 Mar 2016 18:15:31 -0800; On 3/12/16 9:56 AM, Jim Thomson wrote: Date: Sat, 12 Mar 2016 10:53:02 -0600 From: Kevin Stover <kevin.stover@mediacombb.net> To: towertalk@contesting.com Subject: Re: [TowerTalk] F12 C19XR Rivets ab; /archives//html/Towertalk/2016-03/msg00223.html (9,644 bytes)
38. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: <w3yy@cox.net>; Date: Sat, 12 Mar 2016 22:12:22 -0500; HI Jim - What's the name of the glue you describe below? 73, Bob - W3YY A good 2 part Epoxy. If you do a good job preparing the surfaces, the metal will fail before the epoxy. (but I'm thinking about; /archives//html/Towertalk/2016-03/msg00225.html (9,855 bytes)
39. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Sat, 12 Mar 2016 19:20:20 -0800; HI Jim - What's the name of the glue you describe below? 73, Bob - W3YY none in particular.. Most good 2 part epoxies would work. I don't know that I'd use 5 minute epoxy, but one of the slower cure; /archives//html/Towertalk/2016-03/msg00226.html (9,397 bytes)
40. Re: [TowerTalk] F12 C19XR Rivets (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Sun, 13 Mar 2016 01:57:59 -0500; Al doesn't rust but it easily corrodes like crazy. See water in coax. Anodized Al is corrosion resistant, but still subject to abrasion from particles from the road and that abraded part is subject t; /archives//html/Towertalk/2016-03/msg00229.html (14,922 bytes)

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