Sand?? Doesn't this make it solid state??? klc ----- Original Message ----- From: John Lawson <[EMAIL PROTECTED]> Date: Sunday, January 8, 2006 9:21 pm Subject: Re: [AMRadio] coils
> > > > > > ----- Original Message ----- From: "Edward B Richards" > <[EMAIL PROTECTED]>>> > >> 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. > > > A trick to making smooth bends in soft metal tubing, is to fill > it with > fine sand first. > > Now - I understand this can be tedious with long lengths of > small-diameter stock, but if you have no other mandrels or > fixtures to > wind it on, sometimes this can help from developing a kink in the > pipe. > Then, you can blow the sand out, or just leave it in there - > won't hurt > the electrical specs of the coil... > > Cheers > > John KB6SCO > > ______________________________________________________________ > 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 >
