Re: First Light at Last! (update)

• To: tesla-at-pupman-dot-com
• Subject: Re: First Light at Last! (update)
• From: "Bert Hickman" <bert.hickman-at-aquila-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 12 Apr 2000 21:03:18 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Tesla List wrote:
> 
> Original Poster: "Mark Broker" <broker-at-uwplatt.edu>
> 
<SNIP>
>  What is curious is that the thing
> arced THRU the bottom of the plastic box to the winding block....  What
is even
> more curious is that the motor was room temperature when this happened (total
> run time to this point was less than 5 minutes spread across 5 or 6 runs).  I
> replace the thermostat with a piece of wire as a fix (motor shouldn't get hot
> enough to make a difference)
> 
> So, the question still remains, what on earth happened to this thing?   The
> motor was old, but I know for a fact that the thermostat was fine when I
> modified it for sync operation.  The only explanation I have is that somehow
> the "weird and unusual" electric and magnetic fields present beneath the TC
> (mounted just below the primary) somehow affected it.
> 
> Mark

Mark,

Suspect you're correct - RF voltage was most likely electromagnetically
induced into the local motor circuit wiring due to the close proximity
of the Tesla Coil primary, and it arced over at the weakest link - the
thermostat. 

-- Bert -- 
-- 
Bert Hickman
Stoneridge Engineering
http://www.teslamania-dot-com

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