Muller Dynamo

[Magluvin]

Hey Marius

Are you shorting or loading after the rectifier?  Have you tried the bridge on just 1 coil?  Maybe each needs its own as Romero did.  ;]

Hows the rotor holding up?
Mags

[DeepCut]

...

Also, have you tried alternating mag poles on the rotor N and S? This would not allow for a bias mag, UNLESS, it were spinning also.  ;] 

...

Just thoughts.  ;]

Thanks for the insights.. Your a good man.  And God has your back. Keep the faith.  ;]

Mags

Nice idea Mags, a diametrically magnetised cylinder biasing magnet on it's own little bearings ?

[mariuscivic]

Hey Marius

Are you shorting or loading after the rectifier?  Have you tried the bridge on just 1 coil?  Maybe each needs its own as Romero did.  ;]

Hows the rotor holding up?
Mags

Hy Mags!

I tooked out the magnets from that rotor and i made another with 10 mags.
After the bridge , shorting or loading brings down the rpm.
I tryed a bridge for each coil.

[konehead]

hi Mariusivic

Maybe try two caps for each coil, and single diode on each cap facing opposite, (like diode plug circuit iput up a couple weeks ago)

or  half-bridge of two diodes into single cap instead of the 4 diodes in a FWBR might help...plus try the double-ringed FWBR trick Romero did...

mabye the load or cap size should be adjusted way different when diodes are used...

It could be (lame brain theory here) is that the speed-up is caused by the generator coil working as a "motor coil" with the AC it makes "riding" on the front edge, then the back edge, of the rotor magnet...this like fact if you have rotor of equally spaced magnets same distance apart measured edge-edge as the diameter of the magnets themselves, this rotor will spin nicley on an AC signal in a coil facing against this rotor  -

as the coil with the AC signal will first PULL the front-edge of the rotor magnet to itself on the POS phase, and then PUSH the trailing-edge of the rotor magnet away from itself on the NEG phase...I've done his alot it works very great and easy way to have a "permanent magnet AC motor" ...

anyways maybe what is going on with the speedup effect is that you get just the right flux-field strength and "strech" to the genrator coils (via the power supply and the ohms and induction and winds of coil etc) vs the rotor magnets spacing, size, stength, and distance between one another so that the gernator coil while producing power, also gives the rotor magnet that induces that power to also be powered itself in rotation....

Also maybe now is good time to experiment with the backing-magnets behind the cores - maybe putting them on there now will sort of bias the core, so that those diodes wont muck-up the speed up effect.....

anyways keep pluggin away keep going and dont stop...

[gyulasun]

Hi guys!

I have 6 coils speeding under short. But if i put the bridge rectifier they are not speeding.
Any sugestions? (i can make a video)

Hi,

The diodes have an active resistance when they conduct and this resistance adds to the coil resistance. Suppose the current via the diodes is a steady 0.5 Amper, and assuming Si diode with 0.7V forward voltage, the diode resistance in this operating point is 0.7/0.5=1.4 Ohm and this counts twice due to the 4 diodes in the bridge. 
Maybe you could reduce the DC resistance of a coil by 2 x 1.4 Ohms.  Somehow the L/R ratio should be maintained when the diodes are included to the case without the diodes.
Further choice is to parallel the diodes to reduce their series resistance but it has a limit after a certain number.

Gyula

EDIT: Of course the 1.4 Ohm was an arbitrary number, came from the 0.5 Amper I supposed as an example. 
To reduce the DC resistance of a coil, you may use Litz wire that has a resultant DC resistance higher than your present wire in the coils has. Or simply double or triple the cross section area of the wires by paralleling two or three wires for making a coil.