Re: [TCML] Question on JavaTC

[Miles Mauldin <TeslaMiles@xxxxxxx>]

Right, it is RMS. This is from an archive mailing with Richard Quick amswering questions and a list member asking them. I can send the link later if you wish(don't have links to it on phone).

Well it's 13 electrodes (12 gaps). Although being quenched by a muffin fan, I still question the gap recommended by JavaTC.   

Best Regards,
Miles

Sent from my iPhone

On Apr 16, 2010, at 8:52 PM, bartb <bartb@xxxxxxxxxxxxxxxx> wrote:

Hi Miles,

The .028" gap per 1kv seems awfully large. Is that 1kvrms? (Hope so ;-) ). I am also curious if this value is empirically based on a particular gap or electrode radius? One could go on and on I guess. In the end, with Javatc, it is simply calculating what should be the breakdown value based on cap size, current, electrode radius, etc.. Javatc is not trying to err on the side of safety (keeping a user from opening the gap up too wide) but is simply showing a breakdown value based on common calculation. Obviously, many variables come into play that change daily, so use it as a guideline or a starting point.

If I were you, I would set the gap with transformer and no cap, and verify arc distance with the radius of electrodes and air flow that you will be using. Even if it's only 2 electrodes for now, that should be fine. Then build the gap to the total gap distance using all electrodes.

In operation, there is also resonant charging and various anomalies that affect the actual charging of the cap. This will show itself in a static gap as a higher bps. How much higher is dependent on those variations from design in the charging circuit.

Hope that helps,
Bart

Miles Mauldin wrote:
Hi All,

Hope I am getting close on the final design, but I do have a couple of questions.  Here's my calculated JavaTC results.  "http://www.cmnow.com/TeslaMan/JavaTC-Final.jpg";


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