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1. [TowerTalk] Force12 rivets (score: 1): Author: Barry Gross <n1eu.barry@gmail.com>; Date: Fri, 18 Feb 2011 14:14:14 +0000; I'm not sure if Force12 still uses riveted construction of yagi elements. In any event, I just experienced my first rivet failure on my C3S (great timing, huh?) and would like to avoid repeating this; /archives//html/Towertalk/2011-02/msg00320.html (7,315 bytes)
2. Re: [TowerTalk] Force12 rivets (score: 1): Author: n8de@thepoint.net; Date: Fri, 18 Feb 2011 09:38:08 -0500; I believe that the rule is: put two rivets at each location .. perpendicular to each other. Someone told me that in the past. 73 Don N8DE _______________________________________________ _____________; /archives//html/Towertalk/2011-02/msg00321.html (7,977 bytes)
3. Re: [TowerTalk] Force12 rivets (score: 1): Author: "Peter Dougherty" <w2irt@verizon.net>; Date: Fri, 18 Feb 2011 09:44:31 -0500; A trick I was taught with F12 is to slightly drill out each hole to the appropriate size and go one rivet size up from what is supplied with the antennas. My C31XR, Delta 240 and 2/2/1 are all built; /archives//html/Towertalk/2011-02/msg00322.html (7,891 bytes)
4. Re: [TowerTalk] Force12 rivets (score: 1): Author: "Chet" <chetmoore@cox.net>; Date: Fri, 18 Feb 2011 10:13:50 -0500; F-12 antennas are pre drilled at the factory. The instructions with mine say if there are 3 holes, use 3 rivets and insert all 3 rivets in the holes and don't pull any of them until you know all 3 li; /archives//html/Towertalk/2011-02/msg00323.html (9,913 bytes)
5. Re: [TowerTalk] Force12 rivets (score: 1): Author: Barry Gross <n1eu.barry@gmail.com>; Date: Fri, 18 Feb 2011 15:49:39 +0000; Unfortunately, it might be a week or two before I can get the AB-577 down to look at the C3S and assess the rivet failure. Before I "just put a new one in", I'd like to know how to avoid having to "j; /archives//html/Towertalk/2011-02/msg00324.html (8,220 bytes)
6. Re: [TowerTalk] Force12 rivets (score: 1): Author: Mike Fatchett W0MU <w0mu@w0mu.com>; Date: Fri, 18 Feb 2011 08:53:29 -0700; What is the failure? An element tip? Mike W0MU _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://l; /archives//html/Towertalk/2011-02/msg00325.html (8,788 bytes)
7. Re: [TowerTalk] Force12 rivets (score: 1): Author: K7LXC@aol.com; Date: Fri, 18 Feb 2011 10:54:59 EST; elements. In any event, I just experienced my first rivet failure on my C3S (great timing, huh?) and would like to avoid repeating this experience. What is the tried and true wisdom on preventing riv; /archives//html/Towertalk/2011-02/msg00326.html (8,064 bytes)
8. Re: [TowerTalk] Force12 rivets (score: 1): Author: Mickey Baker <fishflorida@gmail.com>; Date: Fri, 18 Feb 2011 11:07:16 -0500; I have seen several Force12 antennas that have failed in my part of the world in a tropical salt water environment due to corrosion and mechanical wear from wind. If I were assembling one, I'd be tem; /archives//html/Towertalk/2011-02/msg00327.html (12,437 bytes)
9. Re: [TowerTalk] Force12 rivets (score: 1): Author: "Mike Ryan" <mryan001@tampabay.rr.com>; Date: Fri, 18 Feb 2011 11:37:52 -0500; The Force 12 rivets are not your standard rivet. They use a special kind as I recall. I had an XR5 here and though they may be available from some other outlets, I ordered a bag of 100 from F12 back; /archives//html/Towertalk/2011-02/msg00329.html (10,270 bytes)
10. Re: [TowerTalk] Force12 rivets (score: 1): Author: Barry Gross <n1eu.barry@gmail.com>; Date: Fri, 18 Feb 2011 16:45:55 +0000; Yes - one side of my 15M driven element is now the same length as 10M. 73, Barry N1EU _______________________________________________ _______________________________________________ TowerTalk mailing; /archives//html/Towertalk/2011-02/msg00330.html (8,163 bytes)
11. Re: [TowerTalk] Force12 rivets (score: 1): Author: Barry Gross <n1eu.barry@gmail.com>; Date: Fri, 18 Feb 2011 17:01:46 +0000; Thanks for all the advice! What I think I'll eventually do when I get the antenna down, is drill perpendicular holes one inch proximal (boomward) to all the existing single rivets and add a second ri; /archives//html/Towertalk/2011-02/msg00331.html (8,823 bytes)
12. Re: [TowerTalk] Force12 rivets (score: 1): Author: "J.P." <jp@ezoom.net>; Date: Fri, 18 Feb 2011 09:13:03 -0800; They use aluminum blind rivets with a steel mandrel I believe. They're available from McMaster Carr in various sizes. The Force 12 rivets are not your standard rivet. They use a special kind as I r; /archives//html/Towertalk/2011-02/msg00333.html (10,071 bytes)
13. Re: [TowerTalk] Force12 rivets (score: 1): Author: "Larry stowell" <lclarks@nc.rr.com>; Date: Fri, 18 Feb 2011 13:27:38 -0500; Barry "Single rivet"? My C31XR had 3 per joint. 73 Larry K1ZW --Original Message-- From: towertalk-bounces@contesting.com [mailto:towertalk-bounces@contesting.com] On Behalf Of Barry Gross Sent: Frid; /archives//html/Towertalk/2011-02/msg00334.html (10,039 bytes)
14. Re: [TowerTalk] Force12 rivets (score: 1): Author: Mike Fatchett W0MU <w0mu@w0mu.com>; Date: Fri, 18 Feb 2011 11:45:59 -0700; I have seen element tips sheer off with vibration not from the element clamping system. I have a couple of older C3's I believe they made a change and added one more rivet or I might have on a differ; /archives//html/Towertalk/2011-02/msg00335.html (9,394 bytes)
15. Re: [TowerTalk] Force12 rivets (score: 1): Author: Kevin Normoyle <knormoyle@surfnetusa.com>; Date: Fri, 18 Feb 2011 10:57:48 -0800; There's a lot of variance in rivets, beyond material and mandrel material. I like the Avex rivets, because they handle a wide grip range, and not too expensive Don't need a lot of different grip leng; /archives//html/Towertalk/2011-02/msg00336.html (9,458 bytes)
16. Re: [TowerTalk] Force12 rivets (score: 1): Author: "Fernando EC1CT" <ec1ct@esbesaya.com>; Date: Fri, 18 Feb 2011 20:30:45 +0100; Wonder why don´t you upgrade and insert a good stainless steel screw with nuts instead those failing rivets. Optibeam is using this system and works fantastic in their antennas having a similar size; /archives//html/Towertalk/2011-02/msg00337.html (14,953 bytes)
17. Re: [TowerTalk] Force12 rivets (score: 1): Author: K8RI on TT <k8ri-on-towertalk@tm.net>; Date: Fri, 18 Feb 2011 15:29:51 -0500; My C19XR and an older style WARC-7 also have 3 and none of them are blind. They look like conventional pop rivets in a row on the bottom with about 3/4" spacing at each joint. 73 Roger (K8RI) _______; /archives//html/Towertalk/2011-02/msg00338.html (11,072 bytes)
18. Re: [TowerTalk] Force12 rivets (score: 1): Author: Mickey Baker <fishflorida@gmail.com>; Date: Fri, 18 Feb 2011 16:32:42 -0500; 1. Aluminum and stainless steel are dissimilar metals and will corrode when in contact with one another. 2. The physical construction of a screw is that it has fairly sharp ridges for threads. When i; /archives//html/Towertalk/2011-02/msg00340.html (17,857 bytes)
19. Re: [TowerTalk] Force12 rivets (score: 1): Author: "Robert" <rgshauger@myyellowstone.net>; Date: Sat, 19 Feb 2011 00:41:23 -0800; No worries! Hose clamps work real good too... hi hi Bob W7KD Wonder why don´t you upgrade and insert a good stainless steel screw with nuts instead those failing rivets. Optibeam is using this system; /archives//html/Towertalk/2011-02/msg00346.html (15,996 bytes)
20. [TowerTalk] Force12 rivets (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 19 Feb 2011 02:46:36 -0800; I'm not sure if Force12 still uses riveted construction of yagi elements. In any event, I just experienced my first rivet failure on my C3S (great timing, huh?) and would like to avoid repeating this; /archives//html/Towertalk/2011-02/msg00347.html (8,962 bytes)

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