Re: [TCML] Rotary Spark Gap and Safety Gap Behaving Weirdly [VIDEO]

["Matt \"Sig\" Giordano" <romsigurthr@xxxxxxxxx>]

Hello Brandon,
Do you have a dummy load in place at the center of the primary coil? The 
energy has to go somewhere, and if it isn't being delivered to a load then 
perhaps you are getting resonant rise when the RSG fires as the energy just 
sloshes back and forth between L and C?

-Sigurthr

-----Original Message----- 
From: Brandon Hendershot
Sent: Friday, April 12, 2013 6:41 PM
To: Tesla Coil Mailing List
Subject: [TCML] Rotary Spark Gap and Safety Gap Behaving Weirdly [VIDEO]

Hi All,

Decided to give my SRSG a spin with just the transformer hooked up, and
although it didn't explode catastrophically, it didn't play nicely with the
others. I took a video and put it up here:
youtube.com/watch?v=lBi0Rl9jLuU<http://www.youtube.com/watch?v=lBi0Rl9jLuU>
MAKE
SURE annotations are ON (Left-most icon in the group of icons at bottom
right of the video player, looks like a speech bubble (On by default).).

I'll summarize the issue here for archival purposes should the video ever
disappear. I've made sure to set the safety gap properly without the rsg
connected. The safety gap will not fire with the variac turned up to max
voltage, but as soon as the RSG is engaged, the safety gap will fire
immediately. After turning the variac down and extenguishing the arc, it
will reignite when re-approaching max (130-140V) voltage. Again, the safety
gap will NOT fire even at max voltage when the rsg is turned off.

Thoughts, solutions, and further test procedures welcome.

Thanks,
Brandon H.
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