>> >Thanks, I like to learn something new each day and I have.
>> >
>> ** If one learns that 2800v produces a corona that can jump across a
>> 5000v air gap, has one learned good science? Does the corona washer (not
>> the bottle-type) perform as advertised? See Figures 15 and 21 on my Web
>> site.
>
The more an apologist gets backed into a corner, the more he/she writes.
>Almost everyone who knows anything in any depth about electronics and
>electric fields understands that sharp points and protrusions greatly
>increase voltage gradient, and reduce voltage breakdown between two points.
>
>If you don't understand the physics behind that commonly understood
>principle, I'd suggest some basic physics textbooks that cover
>electrostatics.
>
>This is a key reason why, once an air or vacuum capacitor arcs enough to
>slight burr or sharpen a plate, the next arc is easier. This is why
>capacitor plates are polished, and why HV connections (even 2-3kV) sizzle
>when a sharp lead protrudes. It is also why we change sparkplugs in race
>cars when the electrodes become slightly rounded from wear.
>
>If you don't understand how tank voltages can exceed the supply voltage by a
>considerable margin, and are actually limited only by power absorbed by
>components or voltage breakdown of components, you might look into systems
>like switching supplies, flyback transformer operation, or even automotive
>ignition systems.
>
>Many people think, for example, the peak ignition voltage in an ignition
>system is set by the turns ratio in the ignition coil. That isn't true at
>all, the peak voltage is many times the actual turns ratio would produce.
>Remove the capacitor in an old-style ignition, and watch the voltage drop!
>
>Tank circuits are no different when operated under light loads or no load
>conditions. See:
>
>http://www.w8ji.com/demonstation.htm
>
>
>
>
>
>
>
>_______________________________________________
>Amps mailing list
>Amps@contesting.com
>http://lists.contesting.com/mailman/listinfo/amps
>
- R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K,
www.vcnet.com/measures.
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