Re: Tame MOT Pictures

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

Original poster: "Gregory Hunter by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ghunter31014-at-yahoo-dot-com>

Hi Winston,

Yes, both MOTs are from Advance Transformer Co. Except
for color, they are physically identical. I wrote that
"2400" on the label because I tested & labeled all my
MOTs awhile back. I applied 120vac to the secondary,
measured the stepped-down voltage on the primary, and
used the resulting ratio to calculate the open-circuit
primary voltage (hence, 2400v). I know this method
isn't 100% honest, but I was trying to match up pairs
of MOTs, and matching by turns ratio seemed like a
good place to start. Most ovens I've gutted have
contained MOT capacitors rated at 1900wvac, 2100wvac,
or 2200wvac, which leads me to the conclusion that in
a "real" circuit, the MOT was putting out no more than
the voltage listed on its doubler cap. Don't worry
about the 1900vac rating of your MOT. A matched pair
of them will still kick some serious arse in a twin
MOT power supply.

Regards,

Greg
http://hot-streamer-dot-com/greg

--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "Marry Krutsch by way of Terry
> Fritz <twftesla-at-qwest-dot-net>" <u236-at-earthlink-dot-net>
> 
> Hi Greg.
> 
> 	Nice supply!  On the "dark" MOT in both pictures,
> what does the label
> on the top say?  Is there a model number? Is the MOT
> made by Advance
> Transformer?  I have one nearly identical that is
> listed by a microwave
> supply place as being 1900 VAC.  I'm hoping that
> they're wrong and
> you're right with respect to the output voltage :-).
> 
> Thanks
> Winston
> 
> Tesla list wrote:
> > 
> > Original poster: "Gregory Hunter by way of Terry
> Fritz
> <twftesla-at-qwest-dot-net>" <ghunter31014-at-yahoo-dot-com>
> > 
> > Dear List,
> > 
> > I've added pictures to my "tamed MOT" web page.
> See
> > 
> > http://hot-streamer-dot-com/greg/tame.htm
> > 
> > Cheers,
> > 
> > Greg
> 
> 
> 


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