RE: The amazing variable choke!!

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

Original poster: "Christopher \"CajunCoiler\" Mayeux by way of Terry Fritz <teslalist-at-qwest-dot-net>" <cajuncoiler-at-cox-dot-net>


Won't this melt the PVC after extended runs? I would
imagine that core gets pretty hot.

 > -----Original Message-----
 > From: Tesla list [mailto:tesla-at-pupman-dot-com]
 > Sent: Sunday, June 29, 2003 6:15 PM
 > To: tesla-at-pupman-dot-com
 > Subject: The amazing variable choke!!
 >
 >
 > Original poster: "J Dow by way of Terry Fritz
 > <teslalist-at-qwest-dot-net>" <jdowphotography-at-hotmail-dot-com>
 >
 > Hello all
 >
 > The amazing variable choke!! Inductive ballast you can change during
 > operation!!!
 > I made a choke. It is 500 ft of 10awg stranded wire on a 1,3/4” pvc pipe
 > 10” long.
 > The core that can slide in and out of the pvc pipe is a ½” threaded rod
 > bundled with slim steel rods. The core is 10” and fits snugly
 > (yet allowing
 > slide) in the pvc pipe
 > The threaded rod is 20” long and has a wood handle.
 > I set up my 15/60 nst in a crude Jacobs ladder and weird the ballast in
 > line with one side of the 110 power feed. My variac was set to full and
 > with the core OUT the meter read 10-12 amps. And as I slid the
 > core in the
 > amps fell to around 1 AMP!! The choke hummed more and the fine 15kv ark
 > grew quieter.
 > With no choke the amp’s jump from 12-17. So the coreless choke acts as an
 > inductive ballast. The next question is how it will work with my soon to
 > be, 4 pack mot stack.
 > I dig this thing!
 >
 > Read you later
 > Josh
 >
 >