Re: Am I courting disaster?

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

Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 


You need some large 200 Watt, 250 Ohm resistors, 5 in parallel for 50 Ohm,
to spoil the Q factor.  We also use a simple 2 inch dia x 16 inch long
inductor wound with #14 AWG wire.

Also a simple safety spark gap.

All this will protect the xmfr from damage.

Dr. Resonance

Resonance Research Corporation
E11870 Shadylane Rd.
Baraboo   WI   53913
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, January 29, 2004 12:24 AM
Subject: Am I courting disaster?


 > Original poster: Dave Leddon <dave-at-leddon-dot-com>
 >
 >
 >
 > I recently re-cased a 10 KVA pig in acrylic to reduce the size and weight
 > of the thing.  See picture:
 > http://nick_tesla.home-dot-comcast-dot-net/TheVisiblePig.jpg
 > The finished size  ended up 11 x 11 x 14 inches with the volume of oil
 > dropping from 16 gallons to 2 and the weight from 300 to 170 lbs.  In the
 > process I reduced the external connections to the bare minimum, 240 volts
 > in and 14400 volts out and floated everything with respect to ground.
This
 > means that the coil tank circuit also floats which has a certain
 > appeal.  The performance of the coil is the same as it was when one side
 > the supply voltage was tied to the RF ground although the primary tuning
 > does seem to be a bit sharper.  My only concern about this configuration
is
 > what happens to the energy following a strike to the primary? It would
 > appear that the only path to ground would be back through the transformer
 > to utility power.  Do I need to install a lightning arrester between one
 > side of the tank circuit to the RF ground?
 >
 >
 >