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Re: Fw: Wire
Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-uswest-dot-net>" <evp-at-pacbell-dot-net>
Tesla list wrote:
> Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>"
> In a message dated 4/13/01 02:53:18 PM Eastern Daylight Time,
> tesla-at-pupman-dot-com writes:
> > > Original poster: "Jason Matlock by way of Terry Fritz
> > <twftesla-at-uswest-dot-net>" <matlockjm-at-mediaone-dot-net>
> > >
> > > Hey all, I was just curious as to the type of wire each of yah uses
> > for
> > > connections between the spark gap, transformer, and cap tank.
> > >
> > > -Jason
> > >
> > Hi Jason
> > I remove the braid (outer conductor) from some RG-9 coaxial cable and use
> > that. It is very flexible and easy to solder.
> > Chuck
> Couldn't You leave the braid in, and tie it into your RF ground, for RF
Suspect that any wire which didn't get warm would work. Nice heavy
braid or cable is indeed satisfying to look at and I use it, but the
loss is what counts and at the powers even small coils employ the wire
should get warm if it was very lossy. Smaller wire has more inductance,
of course, but if the runs are short that shouldn't make any difference.
I have a small coil here which gives 24"+ streamers running from a 12
kV, 60 ma transformer. Primary is wound with #10 solid copper. As an
experiment I would another primary with #18 (far cry from 1/4" copper
tubing) and couldn't tell any difference in the performance, although
the wire got hot to the touch. With an RF power of several hundred
watts, a few watts lost in the wires hardly count.