Re: Basic Stamp Controlled Spark Gap

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

Original poster: "Terry Fritz" <teslalist-at-qwest-dot-net>

Hi Jeremy,

Check this scope capture of a sync motor's voltage and current:

http://hot-streamer-dot-com/TeslaCoils/Misc/SRSG-VI.gif

Note the very sharp current spike.  If you could pick of the motors current 
and high pass filter and detect the spike, you know where the rotor is at 
;-))  Might be very easy to do...

I could re run this test on my two sync motors just to double check and be 
sure if you need.  I could also figure out where in the dwell the spike is.

Cheers,

	Terry