- 1. [TowerTalk] 2" OD Long Masts (score: 1)
- Author: Byron Tatum <bjtatum1@att.net>
- Date: Tue, 26 Aug 2014 06:23:04 -0700
- Hello For years I have used the 2" OD, 6061-T6, 1/4" wall x 24' long aluminum masts to stack VHF and UHF antennas. I have seen these take a bend a time or two over the decades. I wanted to ask:
- /archives//html/Towertalk/2014-08/msg00433.html (8,312 bytes)
- 2. Re: [TowerTalk] 2" OD Long Masts (score: 1)
- Author: "Marsh Stewart" <marsh@ka5m.net>
- Date: Tue, 26 Aug 2014 08:41:55 -0500
- I'd recommend considering chrome molly steel, 1/4" wall, galvanized and rated at least 100,000 psi mast yield strength. A 22-foot mast like that weighs about 125 pounds. Then run the calculations for
- /archives//html/Towertalk/2014-08/msg00436.html (8,709 bytes)
- 3. Re: [TowerTalk] 2" OD Long Masts (score: 1)
- Author: "john@kk9a.com" <john@kk9a.com>
- Date: Tue, 26 Aug 2014 09:48:38 -0500
- I would run the mast calculator first. Not every mast needs to be 4130 and most likely 1026 DOM is more than adequate for VHF/UHF yagis. John KK9A I'd recommend considering chrome molly steel, 1/4" w
- /archives//html/Towertalk/2014-08/msg00439.html (8,879 bytes)
- 4. Re: [TowerTalk] 2" OD Long Masts (score: 1)
- Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>
- Date: Tue, 26 Aug 2014 16:32:01 -0400
- My experience: I used 2" X 1/4" wall, with about 1.5" telescoped inside it. Both masts are DOM 1/4" wall. http://www.rogerhalstead.com/ham_files/Tower29.htm The TH-5 is abt 2' above the top of the to
- /archives//html/Towertalk/2014-08/msg00451.html (10,457 bytes)
- 5. Re: [TowerTalk] 2" OD Long Masts (score: 1)
- Author: "Jim Thomson" <jim.thom@telus.net>
- Date: Tue, 26 Aug 2014 17:40:01 -0700
- Much cheaper than 4130 is the "1026" alloy A513 72,000psi yield. I see onlinemetals.com has some 0.120" wall x 2.25" od which would make a great sleeve for 2" masts. They will get full lengths if you
- /archives//html/Towertalk/2014-08/msg00454.html (8,657 bytes)
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