RE: [TCML] Variac Amps for a VTTC?

["S&JY" <youngs@xxxxxxxxx>]

2 MOTs can draw well over 10 amps if the primaries are in parallel.  Best to
procure a 20 amp variac.  Most people eventually end up going for more power
(e.g. 4  or 6 MOTs) & bigger sparks anyway, so the larger variac will be a
good investment.  1 MOT only has a couple of KV output which will make
operating a spark gap difficult, unless you use a DC setup with doublers or
triplers for higher voltage.
Steve Y.

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of carsten
Sent: Wednesday, May 11, 2011 11:19 AM
To: tesla@xxxxxxxxxx
Subject: [TCML] Variac Amps for a VTTC?

I'm working on my first coil and plan to use 1-2x MOTs in series with 1-2
GU-81m tubes.  How big if a variac do I need @120vac?  I'm guessing a
minimum of 10A, but probably 20A to be on the safe side.  What woudl be the
requirement for 1 MOT vs 2?

Thanks!

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