OK, I just submitted an RFQ to Industrial Metal Supply for the following: Two 12' lengths of 6061 Aluminum tube, 1-1/2" outer diameter, 1/8" wall thickness. One 6' length of 6061 Aluminum tube, 1-1/4
No. The 1-1/4 inner tube will not necessarily fit inside the 1-1/2 in tube because of nominal manufacturing tolerances. Ron N9AU OK, I just submitted an RFQ to Industrial Metal Supply for the followi
Correct , there is a lot of tolerance on extruded tubing and it will likely require machining to fit together. John KK9A No. The 1-1/4 inner tube will not necessarily fit inside the 1-1/2 in tube bec
Well, I thought that was what the other hams on this chat were suggesting. The good tubing supplier here in Phoenix (industrial metal supply) will sell in 12' lengths, so that's what I'm working with
John KK9A No. The 1-1/4 inner tube will not necessarily fit inside the 1-1/2 in tube because of nominal manufacturing tolerances. Ron N9AU You might look at the variety of clamps used in theatrical w
John KK9A No. The 1-1/4 inner tube will not necessarily fit inside the 1-1/2 in tube because of nominal manufacturing tolerances. Ron N9AU Have you looked at using Unistrut (actually generically call
On 11/11/20 3:14 PM, Ross Tucker wrote: Well, I thought that was what the other hams on this chat were suggesting. The good tubing supplier here in Phoenix (industrial metal supply) will sell in 12'
A quick look at Industrial Metal supply shows they have 0.058" wall tube so sizes 1/8" different in od will telescope. (if not damaged) Onlinemetals.com is also stocking 0.058 and 0.120 wall so for t
Onlinemetals.com is also stocking 0.058 and 0.120 wall so for the latter, 1/4" different in od will telescope. yagimech software from DX eng can yield a good feel for the wind strength and one can sl
Not sure why all this effort for 15 or 20 feet of simple mast. These guys have simple, portable style mast products https://www.penningerradio.com/product-category/tipper-systems/ <https://www.pennin
Author: Kirk Kleinschmidt via TowerTalk <towertalk@contesting.com>
Date: Thu, 12 Nov 2020 10:26:43 +0000 (UTC)
The only difference I see is several hundred dollars... --Kirk, NT0Z My book, "Stealth Amateur Radio," is now available from www.stealthamateur.com and on the Amazon Kindle (soon) On Wednesday, Novem
Not mentioned so far for light loads are the Harbor Freight telescoping flag poles. Pretty well made, but not conductive because of the plastic clamping collars. I have a couple of the 25ft ones, whi
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Thu, 12 Nov 2020 12:18:34 -0500
Those are available from a company called Yesohm or Yeshom. Do a search on eBay and you get lots of options. I have several of them ranging from 16 to 30 ft. You can get either telescopic or stackabl
The Harbor Freight flag pole you note was a good buy and has been up for a while. Works great as a flag pole. There is another vendor of long nonconductive poles I ran across some time back, https://
Thank you everybody for your help! Following the advice given so far, my design is currently as follows: The lower section of mast is 12' of 6061 aluminum, 2" diameter, 1/4" wall thickness. This will
Wow, are those bolts small! John KK9A The upper section of mast is 12' of 6061 aluminum, 1-1/2" diameter, 1/8" wall thickness. _IF_ by some miracle, it happens to telescope, that's great, but my assu
yep use #10 _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinf
I'd be tempted to try the mil aluminum in roughly 40" lengths which were used to hold up camp. Cheap. _______________________________________________ _______________________________________________ T
The lower section of mast is 12' of 6061 aluminum, 2" diameter, 1/4" wall thickness. This will be resting on a base stand (with some rocks piled on it for good measure) at the bottom, and be attached
John KK9A yes - if you've got 1 1/2" and 2" tubes, you could use a 3/8" bolt with no problem. I'd actually use a quick pin with a captive cotter - like you see on trailer hitches. No fumbling around