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Re: Rotary Gap Design
From: bertpool-at-ticnet-dot-com
> List wrote:
>
>
> > > > Just wondering whether anyone has designed a rotary gap with two
rotors
> > > > instead of one rotor with stationary electrodes. What I'm trying to
> picture
> > > > here is two rotors with X electrodes. The rotors are mounted like
> they were
> > > > gears, but instead the rotors spin in the same direction. The
relative
> > > > velocity of the electrodes is then doubled so quenching would
> > > > presumably be higher. Overheating of the stationary electrode would
> then
> > > > be redundant. -- Andrew Chin
> > >
> > > You must have stat electrodes somewhere, unless the entire coil rotates.
> > > -- GL
> >
> > No, Greg, it is possible to build a rotary gap using two counter-rotating
> disks
> > which utilize no stationary gaps - Tesla already successfully did this.
> I do not
> > think Nikola ever rotated his coils during operation, but if might have
made
> > longer sparks, then Tesla probably did that too ;>)
> >
> > Bert Pool
>
> How would you do it without at least stationary slip rings?
> The slip rings would effectively operate as spark gaps, at the
> current intensities and risetimes that are found in a typical
> primary coil circuit. Might as well design the stators to
> handle the sparking.
> --
>
> -GL
> www.lod-dot-org
>
>
Certainly slip rings or the equivalent would be necessary - but the voltage
drop
and power loss would probably be insignificant. There's only one way to
know,
and that's to actually build one! Maybe one of our list members has access
to
a milling machine and can build a medium-power prototype?