Re: pole pig ballast

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

Original poster: "Richard Jones by way of Terry Fritz <twftesla-at-qwest-dot-net>" <gnatwing1-at-home-dot-com>


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Wednesday, January 16, 2002 5:28 PM
Subject: Re: pole pig ballast


> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Esondrmn-at-aol-dot-com>
>
> >>
>
> Greg,
>
> I use some large resistors that I bought from a surplus company.  From
memory,
> they are 1.5 ohm  1,000 watt.  They are about 3.0" in diameter and about
16"
> long.  I bought three of them, to use in various combinations, but
normally
> only use one.  When running with a primary current of 30 amps, this
resistor is
> trying to dissipate 1,350 watts.  It gets very hot.  I have it mounted in
a
> steel frame and usually keep a large fan blowing on it.  Prior to buying
these
> resistors, I used several electric stove oven elements in parallel.  These
were
> difficult to mount into a frame and take up a large amount of space.  I
think
> their resistance varies from about 15 ohms to 22 ohms so it takes quite a
few
> to build a one or two ohm resistor.
>
> Ed Sonderman
>
>

Ed,
If you really wanted to be efficient you could cook dinner while youre at
it. :)

Richard