Re: Variable Ballast

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

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

GREG PETERS: I HAVE USED BAILING WIRE FOR HAY BAILING HELD TIGHT WITN
VARNISH WITH A SCREW SHAFT TO ACT AS AN ADJUSTMENT CONTROL IN SIMILAR USE,
BUT NOT AS A BALAST. I LIKE THE IDEA ALSO.
  ROBERT  H

> From: "Tesla list" <tesla-at-pupman-dot-com>
> Date: Sat, 08 Jun 2002 12:55:29 -0600
> To: tesla-at-pupman-dot-com
> Subject: Re: Variable Ballast
> Resent-From: tesla-at-pupman-dot-com
> Resent-Date: Sat, 8 Jun 2002 13:16:02 -0600
> 
> Original poster: "Mr Gregory Peters by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <s371034-at-student.uq.edu.au>
> 
> Ryan, list
> 
> I quite like this setup. How does the efficiency compare to that of an
> arc welder or E-I core air gap ballast? You mention sliding the rods out
> of the tube to control current. I was wondering if the rods get pulled
> (due to the magnetic field) into the tube when in operation? If so, how
> do you keep them in place? I would like to make a similar unit and was
> contemplating making the core from chopped up fencing wire.
> 
> Cheers,
> 
> Greg Peters
> Department of Earth Sciences,
> University of Queensland, Australia
> Phone: 0402 841 677
> http://www.geocities-dot-com/gregjpeters
> 
> 
> 
> 
>