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Re: [TCML] Sphere Topload Coil



Yes Terry, that sounds like the one I was thinking about.
Some very decent sparks with that big sphere! I expect it was hard to break out as I've run a 2 foot sphere myself. Yes, a lot nice pictures and I'm killing myself now that I can't find any of those on my hard drive (not like me to not save cool photo's. Well, my brain never forgot anyway).

Take care,
Bart

piranha wrote:
Gary Weaver had like a 3 foot aluminum ball that I think was on ocean buoy. It was heavy and hard to break out. There were a lot of nice pictures of it but the links no longer work.

Terry


bartb wrote:
Hi Everyone,

Sometime back (quite a while I guess), I remember photo's of a pretty good sized coil with a large sphere top terminal (I'm thinking about 20" diameter). For some reason, Gary Lau comes to mind but I'm not sure. I'm curious of big sphere's and the system that drove them. I'm looking at breakout voltage as based on surface field strength and it would be nice to know a little something on the basic specs of those coils.

So if anyone meeting those specs isn't too busy with life, please post some specs. I don't need the whole gap scene or anything of that nature. Just the basic secondary, top load, cap, and power supply data. Also, was a breakout point required or not would be nice to know.

Reason: I'm advising someone regarding a rather large coil with a very large sphere. From my calculations, the sphere I think is too big for breakout on it's own. Calc's are one thing and those of you well experienced with sphere's may help fill the gap of uncertainty.

Thanks,
Bart
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