RE: "Warming Up"

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Lau, Gary" <Gary.Lau@xxxxxx>

Ceramic caps, i.e. doorknob caps, will vary their capacitance with
temperature.  What kind of caps do you have?  Do they feel perceptibly
warmer after use?

Gary Lau
MA, USA


> Original poster: "C. Sibley" <a37chevy@xxxxxxxxx>
>
> I've noticed that my 60mA NST powered coil gets a
> significantly longer spark after running 15-20
> seconds.  After it "Warms Up" it starts at full power,
> but if it's been sitting for a day it begins at less
> than a third of the spark length.
>
> I assume it's out of tune when it's "Cold", do you
> think this phenominom coukd be related to the
> capacitors?  I seem to recall hearing once that
> capacitors could change capacity significantly with
> temperature...
>
> Curt.
>