Re: Plate Capacitor question (literally a plate cap)

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

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Mddeming-at-aol-dot-com>

In a message dated 4/1/02 12:29:24 PM Eastern Standard Time, tesla-at-pupman-dot-com
writes:


>
> .  One other thing: It would
> be easy to compress to, just put something heavy on top of the stack.  I
> might
> try it today if i can find some plastic plates.  Using the formula for plate
> capacitors and using the area of a circle, it seems that 10 cells would give
> maybe around 10nF.



Hi Andy,
         One thing to watch out for is that tiny changes in the amount of
compression or its distribution can make significant capacitance changes.
(Think trimmer caps, very sensitive to slight pressure changes)
Matt D.