Breakout voltage will depend a lot on how sharp the breakout point is.
I often used a sharpened steel nail which quickly gets rounded and dull.
When it's rounded and dull, a somewhat higher variac setting is needed
for breakout. When the nail is rounded, the system buzzes as I turn
up the variac, then breaks out suddenly and strongly as I continue
to turn up the variac. Possibly around 50 volts but hard to remember
because I didn't pay much attention to that.
John
-----Original Message-----
From: Steve White <steve.white1@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Tue, Feb 27, 2018 11:33 pm
Subject: Re: [TCML] VTTC MOT question
I checked today and I start getting breakout at about 25% of variac full scale which translates to 35 volts.
----- Original Message -----
From: "Chris Reeland" <chrisreeland@xxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Monday, February 26, 2018 8:11:06 PM
Subject: Re: [TCML] VTTC MOT question
Hi Steve,
I figured there had to be some change.
Yeah you don't want to go too long either. Put a 6" or longer just to see
what happens if you want, should suffer also.
Around 3" is probably best coming from John's experience. I am near that
also.
Again, what is the variac percentage you are currently at for first
breakout starting? Wondering on this.
Chris
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