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#14
January 12th 09, 03:13 PM
posted to rec.radio.amateur.antenna
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N power connector rating? [Hardline Connectors]
NoSPAM wrote:
"Art Unwin" wrote in message ... "What I use on 7/8 hardline is a copper reducer with a barrel connecter soldered into one end and then I screw the combination over the hard line. Now you have an output from the hardline that can fit most things . One time I filled the copper reducer with dielectric before I inserted the barrel connecter but could see no difference using max power. Certainly a lot cheaper than Andrews connectors and if the coax route is not ideal it is easy and inexpensive to add flexible lengths at tight corners, such as emerging from underground piping. Hardline gets extremely rigid and the outer insulation is subject to cracking in the winter time which is when I seem to have to work on things." Just remember that the aluminum to copper galvanic couple promotes the corrosion of the aluminum. Keep the contact areas as dry as possible if you don't want problems. I have found that wrapping several layers of tightly stretched vinyl electrical tape and then spraying the area with clear Krylon® acrylic varnish does a reasonable job. But since water vapor can diffuse through the tape, you will need to check the connection periodically. 73, Dr. Barry L. Ornitz WA4VZQ Use an elbow to get tight 90s. http://www.eaa1000.av.org/technicl/c...n/galvanic.htm |
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