Thanks, Brett. I understand that RF only travels through the very outer layer of a conductor, called "skin effect", so thickness does not matter, just surface area. BTW, are you going to silver plate or spray some kind of clear-coat on your coil?
73, Ed Richards K6UUZ Simi Valley, Ca 93065 Home of the Air Force 1 pavilion On Sun, 08 Jan 2006 21:33:42 -0500 Brett gazdzinski <[EMAIL PROTECTED]> writes: > I don't know. > I had no problems with kinking, and I think the stuff I used was > thick > walled. > They make springs you slip over the tubing to bend it without > kinking, but I > did not need it. > The more copper, the less resistance, so try the thick stuff. > > Brett > N2DTS > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Edward B > Richards > Sent: Sunday, January 08, 2006 8:46 PM > To: amradio@mailman.qth.net > Subject: Re: [AMRadio] coils > > Hi Brett; > > I am going to wind a pi section tank coil from 1/4" copper tubing > tomorrow. Mine will be 4" in diameter and 3" in diameter. Which > tubing is > best (no kink) thick or thin? Thanks. > > 73, Ed Richards K6UUZ > Simi Valley, Ca 93065 > Home of the Air Force 1 pavilion > > On Sun, 08 Jan 2006 18:48:57 -0500 Brett gazdzinski > <[EMAIL PROTECTED]> writes: > > If it does not need to be real small, one way to get a good coil > > is to wind one out of copper tubing. > > Home depot sells various types, small/thin, bigger and thicker... > > I made the pi net tank coil for the pair of 4D32 rf deck out of > > copper > > tubing, > > I soldered big wire terminal lugs (the crimp on type) on the ends > of > > the > > coil and > > bolted it to large ceramic standoff insulators. > > > > Here is a link to a picture: > > > > http://wa5bxo.shacknet.nu/N2DTS/new%20coil-a.JPG > > > > My thanks to wa5bxo who still has my pictures up! > > The wine bottle in the picture was used to wind the tubing on. > > The home brew receivers are in the background... > > > > Brett > ______________________________________________________________ > AMRadio mailing list > Home: http://mailman.qth.net/mailman/listinfo/amradio > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:AMRadio@mailman.qth.net > AMfone Website: http://www.amfone.net > AM List Admin: Brian Sherrod/w5ami, Paul Courson/wa3vjb > > ______________________________________________________________ > AMRadio mailing list > Home: http://mailman.qth.net/mailman/listinfo/amradio > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:AMRadio@mailman.qth.net > AMfone Website: http://www.amfone.net > AM List Admin: Brian Sherrod/w5ami, Paul Courson/wa3vjb > >
