Re: 1st Tesla Coil LIGHTED YAY!

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

Original poster: "Nightmare" <nightmare-at-bak.rr-dot-com> 

 > Blow your capacitor at the science fair! (stagehand for good luck)


LOL hahaha very funny, that would be really cool. Thanks!

Ravi
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, January 26, 2004 10:44 AM
Subject: Re: 1st Tesla Coil LIGHTED YAY!


 > Original poster: "Harold Weiss" <hweiss-at-new.rr-dot-com>
 >
 > Hi Ravi,
 >
 > Great!  If you are getting corona like in Antonio's pictures on your
 > capacitors, that's where your streamer length is going.  The higher the
 > quality of your capacitor the longer the streamers will get.  It was the
 > same for my foil wrapped jugs.  When I glued the foil tightly to the
glass,
 > it reduced the corona, and increased the streamer length.  Applying corona
 > dope helped cut the corona from the foil somewhat but it still would punch
 > thru.  It did look cool though in a mad scientist kind of way.
 >
 > How big is your topload? (toroid or sphere)  It sounds as though you just
 > have a bolt thread up there and nothing attached.  A sphere needs to be
the
 > same diameter as the coil or larger.  A toroid should have the inside
 > diameter as large as the coil or larger.  You will have to adjust your tap
 > setting for whatever topload you use.
 >
 > You may also want to adjust your spark gap.  Disconnect the primary and
 > capacitor and then set the gap for the largest gap the transformer will
 > jump.  Reconnect the capacitor and primary and have a try.
 >
 > Blow your capacitor at the science fair! (stagehand for good luck)
 >
 > David E Weiss
 >
 >
 >  > Original poster: "Nightmare" <nightmare-at-bak.rr-dot-com>
 >  >
 >  > Hey, this is ravi, i grounded my secondary to foil sheets under the
base
 > and
 >  > i get ~3in streamers from the top bolt and like 5 inchers to a grounded
 > rod.
 >  > Any suggestions on making em bigger? i have already tuned it.
 >  >
 >  > Ravi
 >
 >  >  > As the capacitors charge and discharge rapidly at RF frequencies,
some
 >  >  > corona unavoidably appears at the edges of the plates, as here:
 >  >  > http://www.coe.ufrj.br/~acmq/tesla/567c2.jpg
 >  >  > http://www.coe.ufrj.br/~acmq/tesla/mres6c2.jpg
 >  >  > The corona heats the plates, and thin PET plates melt. Even PVC (the
 >  >  > first cap above) melts.
 >  >  >
 >  >  > Antonio Carlos M. de Queiroz
 >
 >
 >