[TowerTalk] Mast advice

john at kk9a.com john at kk9a.com
Fri Oct 27 12:04:45 EDT 2017


I should have mentioned that you can do this for any sized DOM.

John wrote:
On Fri, October 27, 2017 12:03 pm, john at kk9a.com wrote:
I purchased a 3" mast locally pretty inexpensively with no shipping costs
using the following process: I bought 1026 DOM from a local steel supplier
and then brought this tube to a local galvanizer for coating.

73,
John KK9A


Subject:	[TowerTalk] Mast advice
From:	Andy Faber via TowerTalk <towertalk at contesting.com>
Reply-to:	Andy Faber <andrewfaber at ymail.com>
Date:	Fri, 27 Oct 2017 09:16:38 -0400


I’m posting this to both the TT and NCCC reflectors for John, AI6LY, whom I
helped get a tower permit.  He lives in Scotts Valley, CA (near Santa
Cruz) and
needs some advice on a mast.  He asks:

“Andy, please do forward to the reflector. Here's what I need:

16 to 20 feet
2" OD x 0.25 wall
yield strength > 50ksi
galvanized preferred
will pick up within a few hours' drive

I'm going to upgrade the antenna (putting a 2 el 40M above the EX-14). Need a
high strength mast, 2" OD x .25 wall. Wondered where you got yours or if you
had suggestions (other than DX Engineering etc.)”

Please reply directly to John.

Thanks and 73, Andy AE6Y





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