![]() My intent is to add the extra floating directors and extend the nose piece much like 300ohm or Stampeder did years ago to get extra gain. I believe there are enough parts and brackets I believe for 2 builds. I have a small stack of quantums laying around now. I would imagine the Mariner's Choice would be the way to go. I would through bolt the sections with stainless.Īnti-seize is invaluable when working on machinery. Just have to come up with some end caps for the tubing. OD should stiffen it up quite a bit and only add a little over 1lb. What I wanted to do was match CM's tubing. 068 6061-T6 on other sites to sleeve over with the next size larger since the swaged didn't appear to be present.Īs you say the swaged isnt necessary. I had looked through DX Engineering and had missed the nesting ability of the. However if I wanted 2 12 foot sections the shipping would be 128.00 for 48.00 worth of tubing. ![]() They use swaged tubing that joins equal OD tubing together.Ĭlick to expand.Single 12 foot lengths of 6061-T6 would be preferred. I think the sizes you're looking for are pretty standard. I'd get a can of their anti-seize compound should you ever want to disassemble the boom.Īlthough I don't think swaged tubing is necessary, if you insist I'd call M2 Antennas and ask if they would sell you the tubing. DX Engineering should have the lowest costs. There's no chance this will work and filing the hole larger is a nightmare. You cannot slide a 1" OD tube into a 1" ID tube. ![]() You can use hose clamps on the slit ends or sheet metal screws to hold the pieces.Īll the DX Engineering tubing has 0.058" walls which allow the next size up or down to telescope without binding. I don't know where the ham antenna manufacturers get their swaged tubing from but you can get telescoping tubing from DX Engineering with/without end slits. The tolerances would need to be tight though. My other option would be sleeving 1" ID over 1" OD. Which would be just under 8 foot that would be even better as the off set between the swages would increase by quite a bit.ĭoes anybody have any links to suppliers that specifically sell swaged aluminum tubing? Or if the supplier would cut the maximum length allowed that would not require freight. It would give a little over 2 foot offset which may be enough to prevent any sagging. So my plan to save on the shipping is to use 6' swaged tubing and oppose the swaged ends. The CM-1160A is long and uses swaged tubing. The booms on the 1100 are just over 11 feet long. The basic problem is that if I purchase 12 foot lengths of 6061-T6 or any tubing of that length the shipping pops up to over 125.00.Ĩ' falls under the bump freight charges as well. I have been going to various tubing suppliers and am not have any success in locating the product. ![]() ![]() I am in the process of preparing for a full rebuild of a CM-1100. ![]()
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