Re: [TCML] 7.5V 52A Filament Transformer for 3CX3000 Needed

[DC Cox <resonance@xxxxxxxxxxxx>]

I thought you were looking for an inexpensive way to do it. I get the 7.2s
for $80 each.  Yes, it would be heavy, but it could deliver the current
without problems, even for two such tubes..

DC




On Thu, Jun 11, 2009 at 3:32 PM, Phillip Slawinski <pslawinski@xxxxxxxxx>wrote:

> DC,
>
> Pardon me, but that seems a little absurd.  I can think of many
> reasons not to do this.  To begin with the transformer would make a
> good power source for the tube in question.  Secondly if one were to
> do this, the transformer would be many times larger, and heavier than
> it needs to be.  If anyone has enough 7.2kV pigs to do this why
> wouldn't he just sell one to buy a real filament transformer?
>
> -Phillip Slawinski
>
> On Thu, Jun 11, 2009 at 15:43, DC Cox<resonance@xxxxxxxxxxxx> wrote:
> > If you can't find one, you can do what I did:  remove the outer HV
> winding
> > on a 7.2 kV pole xmfr, 5 kVA, then wind on some #6 AWG wire to make your
> > own.
> >
> > Experiment with 10 turns of finer wire to get the turns ratio right, then
> > wind on the big wire.
> >
> > Dr. Resonance
> >
> >
> >
> >
> >
> > On Thu, Jun 11, 2009 at 7:45 AM, Cameron B. Prince <
> > cplists@xxxxxxxxxxxxxxxxx> wrote:
> >
> >> Hey guys,
> >>
> >> Does anyone have a 7.5V 52A filament transformer they¹d be willing to
> part
> >> with?
> >>
> >> We actually need two if available. Please contact me off-list.
> >>
> >> Thanks,
> >> Cameron
> >> _______________________________________________
> >> Tesla mailing list
> >> Tesla@xxxxxxxxxxxxxx
> >> http://www.pupman.com/mailman/listinfo/tesla
> >>
> > _______________________________________________
> > Tesla mailing list
> > Tesla@xxxxxxxxxxxxxx
> > http://www.pupman.com/mailman/listinfo/tesla
> >
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla
>
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla