Roger,
It's a change to see a nice sized discharge from a valve coil, but I have
just realised that you said 35 kvA and not 3 and a half kvA! That means you
are pushing the tranny by a factor of 7. Is this the reason you kept the
run-time relatively short, or is that for the valve's sake?
The actual physical size of the tranny looks relatively small against my own
5kVA core (which is 16 inches high and weighs 90 pounds) and I am surprised
the core cross section isn't completely saturated.
The fact it is out of its oil as well (mainly for cooling rather than
insulation in this instance) certainly makes it a well-built tranny to my
mind.
Regards
Phil Tuck
www.hvtesla.com
-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of Roger Smith
Sent: 04 July 2011 10:46
To: Tesla Coil Mailing List
Subject: [TCML] 35 KVA Vacuum Tube Tesla Coil
I got a hold of a big ceramic triode (3cx10000a3) a few years ago and I
finally built a tube coil with it. It is powered by a 5 KVA pole
transformer at up to 35 KVA and I am now getting 50" fat bushy sparks.
Here is a link to the video on it
http://www.youtube.com/watch?v=B8536fYHvGM&feature=feedlik
<http://www.youtube.com/watch?v=B8536fYHvGM&feature=feedlik> I
haven't seen any other VTTCs like it so It's hard for me jug the
efficiency of it. Any suggestions are welcome.
Roger
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