Re: aol cd plate cap?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Darren Freeman by way of Terry Fritz <twftesla-at-qwest-dot-net>" <free0076-at-flinders.edu.au>


Sorry dude, I tried that already.

About 20 Pioneer CD-Rs that were dud burns. Didn't survive 12 kV across the 
stack. A big flame went down the side.

And anyway the capacitance would have been pathetic.

AOL CDs don't deserve to be in tesla coils. They deserve to be tesla-coiled.

Have fun,
Darren Freeman


At 03:37 PM 26/08/2002, you wrote:
>Original poster: "Laurence Davis by way of Terry Fritz 
><twftesla-at-qwest-dot-net>" <meknar-at-hotmail-dot-com>
>
>while pacing thinking about WHEN my mmc caps will show up i started
>to think about cap design.
>
>on my table was 3 or 4 aol cds.  made of polycarbonate and aluminum.
>caps in series raises voltage rating.
>
>can't remember my calculations right now, but then i came
>up with dielectric strength of 350v/mil for polycarbonate.
>came up with 11 cds for 20kv or so. (cant remember the calcs.)
>
>measured the cap at 0.7 nf or so.
>
>buy a 100pack for 20bux. get the cheapies.
>
>.7nf x 10 (round up) gets me 7nf.
>
>maybe even an air cap ?
>
>let me look up rf dissapation for pc...
>http://members.tm-dot-net/lapointe/Plastics.htm
>rf diss -at- 1mhz  .010
>rf dielectric const -at- 1mhz 2.93
>
>i'll try it. i'll take pix of the fire. ;)
>burning lexan. ewww. probably bad.
>
>larry.