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Re: Continuously variable primary



Original poster: "K. C. Herrick" <kchdlh@xxxxxxx>

Yes, but I'm modifying my rotor design to diminish the amount of metal in it. However...is it not so that if metal in the flux field is sufficiently conductive, it will act to establish a counter-mmf that will effectively shunt the operative mmf around it? If it were perfectly conductive, the effect would be for it to dissipate zero energy.

KCH

Tesla list wrote:
Original poster: "Dr. Resonance" <mailto:resonance@xxxxxxxxxx><resonance@xxxxxxxxxx>



A continuously moving contact system may consist of metal parts which will remove energy from the coils primary magnetic field --- energy that would be serve performance if coupled into the sec inductor. This system would have to be made entirely of plastic to work effectively. The magnetic field is symmetrical and energy sweeps downward as well as upward as it couples into the base of the secondary inductor where it forms a traveling wave and travels upward at approx 0.96c.

Dr. Resonance


Hi Tim:

I've not given any significant thought to the specific mechanism used to
elevate one of the primary coils.  I only meant to point out that such a
mechanism which involves no moving electrical contacts would be easier
to construct than one that continuously makes contact with a spiral
coil.  Yes - armchair coiling is easy ;-)

Regards, Gary Lau


> Original poster: Tim S <mailto:stm800@xxxxxxxxxxx><stm800@xxxxxxxxxxx>
>
>> A far simpler approach would be to construct
>> two conventional flat primary coils, joined in the center with a
short
>> length of flexible cable, and have a mechanism to vary the separation
>> between them. This will vary the mutual inductance, and consequently,
>> the net inductance of the two coils in series. The achievable
>> adjustment range is probably equivalent to a couple of turns, and
that
>> should be sufficient for fine tuning. Rough tuning would be achieved
by
>> tapping the upper and lower coils in the traditional sense, with
power
>> off.
>>
>> Regards, Gary Lau
>
>
>
> hi gary ,
> i like this idea you presented.i find it intriguing.
>
> would it be possible for you to draw a little sketch?
>
> you could email me off list.
>
> thanks  tim
>
>