20A/10V (Re: Mini VTTC--Possible tubes?)

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

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

Tesla list wrote:
 
> Original poster: "Steve White by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <slwhite-at-zeus.ia-dot-net>

> I am planning on building a dual 833A VTTC eventually and I am also facing
> the filament tranformer issue. The two 833As will need 20 amps at 10 volts
> for filament power, not exactly a common transformer. My plan is to build my
> own filament transformer. I will use one of my many MOTs that I have lying
> around. I will remove the secondary windings and wind on 12 turns of
> suitable wire for the secondary. Since the MOT core should handle at least 1
> KW without saturating, this seems like a good plan.  12 turns would be easy
> to wind.

	Hmmmmmm.
	'12V' transformers are common.  Variac or ballast (on primary
	side) to drop the output voltage?

	Just a thought...

	Rewinding an MOT, i guess, if the turns count is that
	low...

	best
	dwp