rotary jacobs ladder(was Magnetic quenching.)

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

Original poster: "Richard Modistach" <hambone-at-dodo-dot-com.au> 

woah, hold the phone,
whats this rotary jacobs ladder,
quick explanation please,
or links.

regards
richard
aus

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, March 13, 2004 1:08 AM
Subject: Re: Magnetic quenching.


 > Original poster: "Virtualgod" <mike.marcum-at-zoomtown-dot-com>
 >
 > Wouldn't those gaps pull long sparks in open air like a rotating jacobs
 > ladder?
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Friday, March 12, 2004 12:59 AM
 > Subject: Re: Magnetic quenching.
 >
 >
 >  > Original poster: Bert Hickman <bert.hickman-at-aquila-dot-net>
 >  >
 >  > Hi Gary,
 >  >
 >  > Before vacuum tube or solid state high voltage rectifiers were
available,
 >  > synchronous mechanical rectifiers were used to synchronously switch
(like
 > a
 >  > mechanical H-bridge!) the output from a HV transformer to create HV DC
for
 >  > X-ray machines and electrostatic precipitators. They tended to be
large,
 >  > loud, and needless to say, sparked a lot, and made tons or RFI...  :^)
 >  >
 >  > Here are a couple of examples:
 >  > http://home.freeuk-dot-net/dunckx/wireless/bridge/bridge.html
 >  > http://www.iavalley.cc.ia.us/~thatcher/snookdia.jpg
 >  >
 >  > Best regards,
 >  >
 >  > -- Bert --
 >  >
 >  > Tesla list wrote:
 >  > >Original poster: "Lau, Gary" <gary.lau-at-hp-dot-com>
 >  > >I have not done a lot of reading of Tesla's material.  I have to
wonder
 >  > >how he managed to build a HV DC power supply?  Wasn't this before HV
 >  > >vacuum tube rectifiers were available?
 >  > >I can't imagine that the "blast" created by convection currents would
be
 >  > >very effective.
 >  > >Gary Lau
 >  > >MA, USA
 >  > >
 >  > >Original poster: "David Thomson" <dave-at-volantis-dot-org>
 >  > >Hi Finn,
 >  > >  > perhaps it is time to nail down what to expect from applying a
 >  > >  > magnetic field across the arc.
 >  > >  >
 >  > >  > One would expect that it would merely bend into a curve, making it
 > longer,
 >  > >  > which hardly seems desirable.
 >  > >If you have a copy of Tesla's "Inventions", go to page 305 and read
the
 > next
 >  > >few pages on spark gaps (he calls them "interrupters").  Tesla says a
 >  > >magnetic gap is good for both an AC and DC coil, but particularly good
 > for a
 >  > >DC coil.
 >  > >His description of his "air-blast" gap is interesting.  Instead of
using
 >  > >compressed air, Tesla enclosed his gap in either an air tight box or
 > tube.
 >  > >The draft caused by the rising warm air provided the air blast.
 >  > >Dave
 >  > >
 >  > >.
 >  >
 >  >
 >  >
 >  >
 >  >
 >
 >
 >