A couple of years ago I stopped by Texas Towers trying to buy replacement tubing for a DB-224. After pricing the tubing he had available, I wound up buying a used DB 8 dipole 440 antenna and removing the 440 dipoles and replacing with the 2 meter dipoles. All worked just fine. But the tubing he had in stock would not match the DB mast specs close enough to trust.
73 - Jim W5ZIT --- On Tue, 6/24/08, n9wys <[EMAIL PROTECTED]> wrote: From: n9wys <[EMAIL PROTECTED]> Subject: RE: [Repeater-Builder] Reasonably low wind load antenna To: [email protected] Date: Tuesday, June 24, 2008, 5:11 PM 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 __._,
