Re: To cut or not to cut

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

Original poster: "brian by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ka1bbg1-at-mcttelecom-dot-com>

Hi, I dont hear anybody putting a resistor across the variac,just an element
from a stove will get another 1kw of load and might help prevent saturation.
cul brian f.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Wednesday, August 08, 2001 2:06 PM
Subject: Re: To cut or not to cut


> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<FutureT-at-aol-dot-com>
>
> In a message dated 8/8/01 1:58:34 PM Eastern Daylight Time,
tesla-at-pupman-dot-com
> writes:
>
> > Original poster: "Basura, Brian by way of Terry Fritz
<twftesla-at-qwest-dot-net>"
> <
> > brian.basura-at-unistudios-dot-com>
> >
> >  (un)Terry,
> >
> >  Something sounds wrong. I run a 1256D as a variable inductor and it
handles
> >  40-amps without any problem (after I swapped out the 30-amp fuse that
> is)...
> >
> >  Regards,
> >  Brian B.
>
> Brian, (un)Terry, all,
>
> I suspect that some folks have good results with un-cut
> variacs and other do not because of the overall coil design.
> If the transformer and cap value is such that a large
> ballast inductance is needed, this will permit more turns
> of the variac to be used, and saturation problems are less
> likely.  I also suspect that folks who are able to use about
> 50% of the variac winding for normal TC operation will have
> no problems, but folks who use only about 20% of the
> variac winding will have problems.  The breakrate of the
> coil might have some effect too on all this (maybe).
>
> John Freau
>
>
>
>