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

[jhowson4@xxxxxxxxxxx]

I am not really sure but It looks like you have the safety gap set to small, Put the transformer across the safety gap and set it until it does not fire at max variac settings. Then connect up your rotary gap and such. 
When the rotary is firing, that's what mine looks like when i'm just running the transformer with nothing else attached, if its not a sync gap then you will get weird pulsing effects, as the electrodes come in and out of phase, I have a dc motor on mine, so i get a wide assortment of weirdness when i run near mains frequency with just the transformer. 



Thanks, 
John "Jay" Howson IV 


"Why thank you, I will be happy to take those electrons off your hands." 

----- Original Message -----
From: "Matt \"Sig\" Giordano" <romsigurthr@xxxxxxxxx> 
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx> 
Sent: Saturday, April 13, 2013 1:24:05 AM 
Subject: Re: [TCML] Rotary Spark Gap and Safety Gap Behaving Weirdly [VIDEO] 

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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