Muller Dynamo

[mondrasek]

Okay, let's eliminate the noise source )
Have your tried getting your rotor up to full speed and then electrically disconnecting the drive motor that you are using to spin it.
That's the only difference between your device and other people's device i can see.

Bingo!  When I pull the plug for the PS to the entire motor power circuit, the RF stops.  Also, when I reapply input power there is a momentary hesitation (~1 sec) before the RF picks up again.  That is exactly how the motor drive circuit reacts when power is applied.  It hesitates for approximately 1 sec before it begins to drive the motor.

Not sure it matters as the negative effects of the RF seem to be mitigated so long as I keep DC lines short.  But is there a way to suppress them at the source all together?

M.

[xenomorphlabs]

Okay, good that you sourced the noise now )
That motor (not sure what type it exactly is) might use a SMPSU or a PWM method that creates high frequencies. You could try to wrap alumimum foil around the drive circuit of it (more or less a desparation measure hehe) that could reduce it.
In the long run you might wanna replace the motor for the same simple coil driver that most people use, since it doesn't create the noise.

[xenomorphlabs]

Not sure if that was ever focused on, but i just stumbled across a discussion about Tesla expressing

I recognized that it was of tremendous advantage to break at the peak of the wave.  If I used just an ordinary break, it would make and break the current at low as well as high points of the wave.

If i don't misinterpret it, that is exactly what JoeFr has shown that he gets better results by not shorting but unshorting (breaking) at the peak wave.

[mondrasek]

@X, the transcription that includes that Tesla quote is in the dl section of this site here:

http://www.overunity.com/index.php?action=downloads;sa=view;down=363

Awesome reading!

[mondrasek]

One test that I wanted to try now with two coil pairs tuned with backing magnets to nearly identical Vout was, what if the Vout after the FWBR was in Series vs. Parallel to the Dump Cap?

In Parallel at max Pin to my motor drive circuit max Vout is 16.72 V.

In Series at same max Pin to my motor drive circuit max Vout is 32.9 V.

Data below for Pout and RPM comparisons with same (overheating) load resistor.