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November 8th 08, 06:25 PM
posted to rec.radio.amateur.antenna
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Aluminum to Copper interface
Cecil Moore wrote:
wrote: If you are talking about home brew stuff, the general solution is to clean, apply anti-oxide grease, and connect under compression, i.e. something with a tightening screw. I'm putting my rotatable 20m dipole back up and am, once again, needing to connect ladder-line to aluminum tubing out in the weather. I guess I'll try brass hardware this time. If there isn't already, stuff a short hunk of something solid like a fiberglass rod or wood dowel in the end where you make the connection, put terminals on the wires, use stainless screws with star lock washers under the screw head and between the terminal and tubing and the terminal and nut, anti-oxide grease, overwrap with sealing tape then with regular tape. That's how I connected to the vertical in the middle of my lawn where the sprinklers hit it about a decade ago and there have been no problems. FWIW, I tried brass (because someone gave me a bunch) for this sort of thing and switched to stainless. -- Jim Pennino Remove .spam.sux to reply. |
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