Muller Dynamo

[Cap-Z-ro]

cap z ro.  I have been thinking of this also. If need be we can discuss this in a different thread or in private.  I dont have any proof to anything.  However I saw a video on the peswiki youtube with a guy using Iron wire inside a multifilar coil.  Seems like Nathan had a "normal make and break" circuit.  Could have been a type of commutator that shorted out and release the windings at the proper time to get extra energy.  John bedini recently made a coil of iron wrapped the same way as a copper coil and once energized produces an opposite pole than the copper wire.
But like I said this is only partially related to this thread  and prob should not be posted here.

Hi RR...thank you for asking, as there's nothing I would rather be doing but this experiment, but unfortunately I'm moving cross country at the moment, and barely have time to scan the threads now.

Regards...

[Hoppy]

Hi Doug,

You say: -

"anyways at 4uf "tuning" there is absolutely no extra draw or reduced speed  to the motor part of it...when you rectify and put into cap that "18VAC" on meter, it becomes around 30VDC in cap so this is good - so you could say i am getting 500ma approx and 30VDC out from 5 coils, and runnign on 200ma and 22VDC and ablsoutley nothing happens to motor when you short out the coils with that ammeter."


What is the voltage across the cap with the ammeter short circuit applied?

Hoppy

[toranarod]

Hi Doug,

You say: -

"anyways at 4uf "tuning" there is absolutely no extra draw or reduced speed  to the motor part of it...when you rectify and put into cap that "18VAC" on meter, it becomes around 30VDC in cap so this is good - so you could say i am getting 500ma approx and 30VDC out from 5 coils, and runnign on 200ma and 22VDC and ablsoutley nothing happens to motor when you short out the coils with that ammeter."


What is the voltage across the cap with the ammeter short circuit applied?

Hoppy

What is the voltage across the cap with the ammeter short circuit applied?  the million dollar question?

[Tudi]

What is the voltage across the cap with the ammeter short circuit applied?  the million dollar question?

amg, i can't take the pressure....i just signed my solar panel contract xD ( could have built a house size dynamo with the price of it )

[gotoluc]

Hi Doug,

Sounds very good, congratulations.  If you wish to loop back some part of the output to run the motor, I would like to recommend member keykhin DC-DC converter, mainly because it is able to handle your 30V DC output voltage (this will be the input to the DC-DC converter) and can easily be modified by a resistor its output voltage to your 22V DC input for the motor drive (as shown, the DC converter output is 12.2V at present, you can replace the lower 1.5 kOhm resistor at the output (it is in series with the 5.6 kOhm) with a 10 kOhm (or 22 kOhm) potmeter to adjust the output to your 22V voltage need.
Here is a link to the converter, a very good circuit, (the TL494 is cheap):
http://www.overunity.com/index.php?topic=3842.msg287703#msg287703 

Any other attempt to use for looping like using Zener diodes or linear regulators (like LM7818) could also work but the convertion efficiency of them is inferior to that of the switch mode DC DC converter like the link shows. Of course if your present COP is still able to cover the inferior convertion efficiency, then you may use a linear voltage regulator LM7818 or LM7824.  (In case of the LM7818 you can insert a 4.7kOhm trimmer potmeter in series with the center pin #2, leading to the negative ground to raise the fix 18V up to your needed 22V.)

Another off the shelf variable output DC regulator is the well known LM317, it needs a 5 kOhm potmeter to adjust its output voltage, see the last but one schematic here: http://home.cogeco.ca/~rpaisley4/PSupply.html
Use heat sink for this IC too to defend it from overdissipation.
Dissipation: (30V-22V)*0.2A=8V*0.2A=1.6W

A link to Digikey: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LM317TFS-ND

And a link to the LM7818, it needs a single 4.7 or 5kOhm potmeter only:
http://search.digikey.com/scripts/DkSearch/dksus.dll?vendor=0&keywords=lm7818&stock=1

rgds,  Gyula

Hi Gyula,

I'm trying to understand why a DC to DC converter would even be needed to create a loop

If Doug's input of 22v is coming from 2 low charged 12v batteries in series, then to me the 30v output could just be directly connected back to the input batteries. The little extra voltage the output has will be converted to amps in the batteries. When charging 12v batteries the voltage can go up to a maximum of 15v (per battery) so the 30v should be fine to 2 batteries in series without damage. To me the numbers look close enough to just go direct!... don't you think so?

In any event, if the batteries do climb higher he can always add a load (light bulb) of the correct draw to keep the recharge voltage to the batteries at the ideal level.

Thanks for sharing

Luc