The shipping on a 20 foot long piece will be awful. You need a local source. In the Bay Area, there is a non-ferrous metal store at Davis and Doolittle in San Leandro. I got a piece of heavy wall 2.25" Al there. Wasn't cheap, but wasn't too bad either ($75?).
At 15:11 6/24/2008, n9wys wrote: >Doesn't Texas Towers and other such vendors sell heavy-duty aluminum mast >tubing? Why not try there? > >Mark - N9WYS > >-----Original Message----- >From: Repeater-Builder@yahoogroups.com On Behalf Of n3dab > >For anyone looking for a DB mast to mount their dipoles and harness >on, check out all you commercial radio shops for damaged or pulled DB >antennas. Don't worry about what band they are on - all you wan't is >the mast anyway. DB's are sleeved internally at the center joint >with exposed ends of the upper and lower mast sections being cut at a >45 degree angle. The sleeve is secured in the top mast section and >slides into the bottom section about a foot. the top and bottom are >secured together with 2 SS hose clamps. The base is also sleeved >internally for clamp reinforcement. > >Another source would be a metal fabricator or aluminum supplier and >purchase a 20' section of 1 3/4" 0r 2" heavywall aluminum tube and >mount your dipoles on it. Wall thickness should be 1/8" thick minimum >top to bottom. If you can also pick up a 24" long section of tube to >slip up into the bottom to reinforce the clamping area all the better. > >Doug N3DAB > >--- In Repeater-Builder@yahoogroups.com, "Jim Cicirello" <[EMAIL PROTECTED]> >wrote: > > > > Ron, > > > > Thanks for the mounting information. I also lack the DB224 Mast >that the four dipoles mount on. From my research the original is two >pieces about twelve feet long that I believe bolt together, the >diameter I have not been able to find. From the ones I have seen the >mounting pole is quite robust. Do you have any pole stock that you >could recommend that would hold the DB224 on a side mount >configuration? As I recall although the mast was very rigid, it was >quite lightweight. > > > > Thanks JIM KA2AJH > > >------------------------------------ > > > >Yahoo! Groups Links > > > > >No virus found in this incoming message. >Checked by AVG. >Version: 8.0.101 / Virus Database: 270.4.1/1516 - Release Date: >6/24/2008 7:53 AM -- Dave Gomberg, San Francisco NE5EE gomberg1 at wcf dot com All addresses, phones, etc. at http://www.wcf.com/ham/info.html -----------------------------------------------------------------
