Hockey Puck Caps

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Original poster: Mddeming-at-aol-dot-com 

Hi All! 
        Has anyone had experience with hockey-puck type rf capacitors? I 
looking at 4 of these rated .004uf -at- 40KV. My plan is to run them in parallel 
to get 0.016uf -at-40 kV. With my 15/60 trannie, 60 Hz resonance calculates at 
0.0106uf and the conservative safety margin of VAC(rms)*sqrt(2)*1.5 ~32KV 
shows they should be all right from that standard. I can find nothing on the 
power-handling capabilities of these in my references and at $25 a pop, I 
don't want to pop too many! The "lumeniferous vortex" a.k.a. (4.5" coil) is 
already swallowing too much of my pension check. Any guidance will be 
appreciated. 

Seeking the Lightning, 

Matt Deming