Muller Dynamo

[Dave45]

I was looking at the muller coil and just couldnt figure out how to wind it bifiler then it hit me

[Magluvin]

Mags I think I sort of remember that but was he saying that is definitely what he did or that it was a good idea to use in optimizing this?  I do remember he mentioning adding caps and some have done that.  I think the bifilar or multifilar may do more than just adding a cap though.

Lol  its an easy example of what we remember and not so easily.  ;]

I agree that the bifi vs a regular coil/cap parallel, that the bifi would hold different characteristics.

Teslas description says it all about the differences.

Im doing some tests when I can.  It would be cool if a sim prog included bifi coils. But just about Nobody uses them except in some relays, but not for our type of reasons. They are used separately, 1 for pull on the relay contacts, and the other to hold. Doesnt take much to hold a relay after its been pulled, so the hold coil uses less current while holding.

Mags

[Magluvin]

Per Penno's description, I could almost see the wire segments forming a 1/4 wave resonator driving a full wave at its center...where the full wave is actually quad-filer opposed. The frequency would be pretty high, which would necessitate the use of faster diodes than his big bridge. It wouldn't lug, and any output that did happen would be in the Mhz or high kHz range. Seems kind of obscure though. Might just be best to wait for Penno to post a diagram...

Maybe by rotor magnet influence on the coils, these high freq are not even an event.  Maybe the bifi just gives more output compared to normal stator windings, as Romero pointed out some time ago when discussing the litz vs single strand.

Maybe.

But lets say it is maybe high khz to say 1 mhz,  What are the limits of the 1n4001  or 1n4007 in freq handling?
Maybe the bridge not, but add those extree diodes. ;] Each has a job to do here apparently.

Mags


Mags

[Dave45]

Not to get too far off subject but since we're raising the voltage in the gen coils here's a interesting concept, hooking the coils up to transformers before the fwbr's
watch this vid at 3:06  http://www.youtube.com/watch?v=70E0Q_pCB-4
notice that the coils as well as the transformers are center taped I wonder if this would cause the coil shorting effect.

[TEKTRON]

Amazing vid.  I have sent the inventor an email in hopes of getting a schematic for his design.

That's nothing, Where have you been all these years?
http://www.dailymotion.com/video/xbcqnr_electric-permanent-magnet-motor-the_tech