[TCML] Capacitor calculator?
daniel_kline at med.unc.edu
Thu Sep 17 06:59:27 MDT 2009
Very nice! What do you use other than peroxide bottles?
PAUL THOMPSON wrote:
> Hi Brian,
> I use a Leyden jar battery with my coils. The way I do it, I make a
> sample single jar and test its capacitance with a handheld meter. I make
> few more and test them to make sure I'm getting consistent results. For
> example, I make a dry jar using polypropylene canisters and aluminum
> soda cans that always clocks in at 450 to 500 pF. By linking a bunch of
> these in parallel I get the capacitance I want. See
> I don't make salt water jars. Liquids are heavy and messy, and I worry
> about glass breakage. I've never had one of my homemade Leyden jars
> break, melt, or arc over. Based on spark length when charged with my
> Wimshurst machine, I estimate the voltage rating of my jars at 100 KV.
> Paul Thompson
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