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1. [TowerTalk] TB3 Thrust Bearing (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Tue, 14 Mar 2006 22:52:33 -0500; Hello and thank you for letting me post a few questions. Can someone tell me if a Rohn TB-3 thrust bearing will close/clamp down on a 1 1/4" aluminum mast pipe? Thank you. Bruce K4BOF _______________; /archives//html/Towertalk/2006-03/msg00284.html (6,817 bytes)
2. [TowerTalk] Aluminum mast (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Tue, 14 Mar 2006 22:56:11 -0500; Hello and thanks for letting me post a question. How strong is a solid aluminum mast compared with a walled/hollow mast? I secured a solid, round 12' aluminum mast 6061-T6511 grade. What is the likel; /archives//html/Towertalk/2006-03/msg00285.html (7,031 bytes)
3. [TowerTalk] AS25G plate (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Tue, 14 Mar 2006 22:59:47 -0500; Hello. Can the Rohn AS25G accessory plate be cut easily and with what type of saw? Without sacrificing strength can a Yaesu rotor GS-450 be mounted on a cut plate? I will be using a thrust bearing (T; /archives//html/Towertalk/2006-03/msg00286.html (6,470 bytes)
4. Re: [TowerTalk] Aluminum mast (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Wed, 15 Mar 2006 15:47:09 -0500; BobHello. My mast is 1 1/4" OD. It is solid, round. It states on the side ASTM 6061-T6511. It is 12ft long and will be mounted 4-5ft inside my Rohn 25g tower to the rotor plate with a thrust bearing; /archives//html/Towertalk/2006-03/msg00301.html (10,715 bytes)
5. Re: [TowerTalk] Aluminum mast (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Wed, 15 Mar 2006 15:49:13 -0500; DocHello. My mast is 1 1/4" OD. It is solid, round. It states on the side of the mast ASTM 6061-T6511. It is 12ft long and will be mounted 4-5ft inside my Rohn 25g tower to the rotor plate with a thr; /archives//html/Towertalk/2006-03/msg00302.html (10,288 bytes)
6. Re: [TowerTalk] TB3 Thrust Bearing (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Wed, 15 Mar 2006 15:58:02 -0500; JonHello. I purchased the TB-3 because the Yaesu GM-050 bearing didn't mount on to the Rohn AS25G plate. It wasn't even close! Believe it or not I think I might be overkilling the entire project. Thi; /archives//html/Towertalk/2006-03/msg00303.html (8,884 bytes)
7. Re: [TowerTalk] AS25G plate (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Wed, 15 Mar 2006 16:06:23 -0500; SkipHello. If one wants to use a thrust bearing on a Rohn 25G and have a rotor plate too, the accessory shelf will only fit at the very top of the 'top section',... this is where there is no zig-zag/; /archives//html/Towertalk/2006-03/msg00310.html (8,180 bytes)
8. Re: [TowerTalk] TB3 Thrust Bearing (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Wed, 15 Mar 2006 16:10:22 -0500; BudHello. My mast is 1 1/4" OD. It is solid, round. It states on the side ASTM 6061-T6511. It is 12ft long and will be mounted 4-5ft inside my Rohn 25g tower to the rotor plate with a thrust bearing; /archives//html/Towertalk/2006-03/msg00311.html (10,095 bytes)
9. Re: [TowerTalk] Aluminum mast (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Wed, 15 Mar 2006 16:17:01 -0500; DaveThanks for the email. The mast was $66. It is ASTM 6061-T6511 grade aluminum at 1 1/4" OD, SOLID, not hollow. The weight of the aluminum was less than the 6ft steel mast that came with the tower.; /archives//html/Towertalk/2006-03/msg00312.html (9,993 bytes)
10. Re: [TowerTalk] AS25G plate (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Wed, 15 Mar 2006 16:21:44 -0500; RichardThanks for your email. Instead of cutting a crossbar out of the tower and re-welding it,... I think I am going to go with cutting the accessory shelf down. Hard to believe that Rohn didn't des; /archives//html/Towertalk/2006-03/msg00313.html (10,607 bytes)
11. Re: [TowerTalk] Aluminum mast (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Wed, 15 Mar 2006 16:31:17 -0500; JimThanks for your email. The mast is 1 1/4" OD. Solid, round. Side writing on the states it is ASTM 6061-T6511 grade aluminum. It was $66. Weighs about the same as the seet 6' mast that came with th; /archives//html/Towertalk/2006-03/msg00314.html (10,421 bytes)
12. Re: [TowerTalk] Aluminum mast (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Wed, 15 Mar 2006 16:33:27 -0500; RichThanks for your email. The mast is 1 1/4" OD. Solid, round. Side writing on the states it is ASTM 6061-T6511 grade aluminum. It was $66. Weighs about the same as the seet 6' mast that came with t; /archives//html/Towertalk/2006-03/msg00315.html (11,295 bytes)
13. Re: [TowerTalk] Aluminum mast (score: 1): Author: "Bruce Ferratt" <uglyatc@msn.com>; Date: Wed, 15 Mar 2006 22:18:20 -0500; Wind load is 40/12 or 3.3 square feet. This was calculated by Jim Lux 'Doc'. Thank you. Bruce K4BOF Check this out: -mast is 1 1/4" OD. It is solid, round. So, you can apply a bit of simple mechanics; /archives//html/Towertalk/2006-03/msg00323.html (15,102 bytes)

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