Re: Am I courting disaster?

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

Original poster: Zagarus Rashkae <arbitrarily_random-at-yahoo-dot-com> 

Hi Dave,

I don't think the streamer would want to strike the
primary at all. Although there may be some flashover
concerns if the pig were to get hit directly on the HV
out terminals because it may flash over internally to
the 240V outlet ground. If you have a good strike rail
then you shouldn't have to worry about the pig
flashing over. A lightning arrestor certainly couldn't
hurt and wouldn't be that much of an investment
compared to that beautiful clear pig :)

How and where did you get that much acrylic resin to
encase the pig? I imagine it would have cost quite a
bit...

Regards,

Chris Lu

--- Tesla list <tesla-at-pupman-dot-com> wrote:
 > 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?
 >
 >