Re: Coming close to finishing

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dhmccauley-at-spacecatlighting-dot-com>


Copper tubing is good since its readily available, inexpensive, and easy to
form (already pre-formed).

You'll probably get two schools of thought regarding the type of wire.  One
school will insist you need
expensive 4 or 8 AWG welding wire or other similar types of wire, and the
other school will say you can hook up
solid 12 AWG wire.

I've used both 12 AWG wire (HV wire), and 8 AWG welding wire.  No
performance gains whatsoever between the two
at least for a 15kv/60mA NST.  For bigger power supplies (pole
transformers), than you'll need larger wire obviously.

Spacing depends mostly on the high voltage standoff between primary and
secondary.  I use 1.5" - 2.0" usually.

Dan



 > I'm coming closer each day to the final assembly of my first coil. It's
 > powered by a 15kv/60ma nst and has a 25"(23" wound) secondary. I have some
 > questions on minor things. First, I've read that copper tubing is better
to
 > use for the primary than solid copper wire, is this true and if so, does
 > the size of the copper tubing matter? Also, what sort of wire needs to be
 > used for all the connections(i.e. tank circuit connections and so on).
 > Third, what is the ideal spacing between the first wind of the primary and
 > the base of the secondary? Can I use a pvc pipe flange to connect the
 > secondary to a piece of wood? Last, I began building a geek group
saltwater
 > bottle cap and I ran out of my 6awg copper wire. Could I use some spare
 > copper tubing I have laying around as a substitute for connecting the
bottles?
 >
 > Thanks for all the help, I couldn't find very much info on these things on
 > the net.
 >
 > Alan
 >
 >
 >
 >
 >