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1. [Towertalk] 620/340 (score: 1): Author: barrie@centric.net (Barrie Smith); Date: Sat, 13 Apr 2002 18:43:56 -0600; Hello: Several months ago I queried the list regarding the Force 12 620/340. While I received several responses regarding real, and potential, mechanical problems, I don't believe anyone had anything; /archives//html/Towertalk/2002-04/msg00478.html (7,720 bytes)
2. [Towertalk] 620/340 (score: 1): Author: K7LXC@aol.com (K7LXC@aol.com); Date: Sat, 13 Apr 2002 23:49:13 EDT; Well, I don't think you'd be making any kind of mistake by installing either one of those antennas. Does the linear loaded 40M work as well as a full-sized version? No - the LL design is a compromise; /archives//html/Towertalk/2002-04/msg00481.html (8,505 bytes)
3. [Towertalk] 620/340 (score: 1): Author: na4m@arrl.net (Phil Duff); Date: Sun, 14 Apr 2002 12:56:31 +0000; Instead of double/triple-rowing the joint rivets why not use a couple of small stainless screws/bolts with appropriate lock washers and nuts or nylock nuts? As matter of fact if there is a need to do; /archives//html/Towertalk/2002-04/msg00485.html (8,388 bytes)
4. [Towertalk] 620/340 (score: 1): Author: K7LXC@aol.com (K7LXC@aol.com); Date: Sun, 14 Apr 2002 09:27:24 EDT; The problem is that with the existing aluminum tolerances, there is enough room for the inner element piece to work against the rivets with the help of the wind. By putting in another off-setting row; /archives//html/Towertalk/2002-04/msg00486.html (8,936 bytes)
5. [Towertalk] 620/340 (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sun, 14 Apr 2002 09:19:13 -0400; Steve and I have agreed to disagree on the need for additional rivets. I have not had anything even approaching an element rivet failure in 5 years with 3 force12 antennas. In my limited experience,; /archives//html/Towertalk/2002-04/msg00487.html (8,496 bytes)
6. [Towertalk] 620/340 (score: 1): Author: K7LXC@aol.com (K7LXC@aol.com); Date: Sun, 14 Apr 2002 09:47:12 EDT; Well, location is everything. Guys in more wind-prone areas (like Texas) DO have this problem and I highly recommend anyone putting in a couple of back-up off-setting rivets. Hey - couldn't hurt! Our; /archives//html/Towertalk/2002-04/msg00489.html (8,336 bytes)
7. [Towertalk] 620/340 (score: 1): Author: k2av@contesting.com (Guy Olinger, K2AV); Date: Sun, 14 Apr 2002 10:13:36 -0400; Appearances can be deceiving (both ways). Look how strong a spider web is and how tiny and thin. Also do not confuse the stuff that F12 sends with the antennas with the cheeep jjjunkkk you get in the; /archives//html/Towertalk/2002-04/msg00491.html (9,683 bytes)
8. [Towertalk] 620/340 (score: 1): Author: w2up@mindspring.com (Barry ); Date: Sun, 14 Apr 2002 14:59:03 -0000; What happened to "do what the manufacturer says?" :.) Barry-- Barry Kutner, W2UP Internet: w2up@mindspring.com Newtown, PA Frankford Radio Club; /archives//html/Towertalk/2002-04/msg00492.html (9,496 bytes)
9. [Towertalk] 620/340 (score: 1): Author: SPELUNK.SUENO@prodigy.net (EUGENE SMAR); Date: Sun, 14 Apr 2002 11:12:02 -0400; TT: Hose clamps + TAPE = no snags + no corrosion. I did the clamp-plus-tape thing on my D40 element (four clamps on both halves) as well as on the clamps that secure the aluminum straps that short my; /archives//html/Towertalk/2002-04/msg00493.html (8,375 bytes)
10. [Towertalk] 620/340 (score: 1): Author: hphillips@mho.com (Hugh Phillips - K7XM); Date: Sun, 14 Apr 2002 17:51:05 -0600; I have a 620/340. The rivets have fell out of the forty mtr elements more than once. I have replaced them with upgraded rivets, using both hydraulic and or air rivet tool. The rivets in the boom and; /archives//html/Towertalk/2002-04/msg00502.html (9,592 bytes)
11. [Towertalk] 620/340 (score: 1): Author: K7LXC@aol.com (K7LXC@aol.com); Date: Mon, 15 Apr 2002 10:10:03 EDT; are and Like I said a couple of days ago, put one or two additional rows of rivets (a row of rivets every 180 degrees or 120 degrees) to back-up the single row the factory supplies. This will "pin" t; /archives//html/Towertalk/2002-04/msg00526.html (8,378 bytes)
12. [Towertalk] 620/340 (score: 1): Author: robert@gi0kow.freeserve.co.uk (Robert Cummings); Date: Tue, 16 Apr 2002 14:51:10 +0100; Hi Hugh, When I contacted F12 regarding failed rivets in my 340 I was told "Your experiences with rivets failing and the antenna failing apart is so bizarre that it is hard to believe" and that came; /archives//html/Towertalk/2002-04/msg00571.html (8,751 bytes)

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