i became interested in this motor tinman was looking at, which i have a hunch operates with the same principles as a homopolar motor. basically, a charge is applied to the opposite bearing covers in an arrangement similar to what im showing, and the motor spins away happily. i didnt get as far as spinning the motor as i didnt want to murder any of my batteries with a constant dead short, and i dont like messing with mains....but i got interested in the magnetic aspect.
for the record, i dont believe for a second that some kind of thermal expansion of the bearings cause rotation as has been explained in the past. that just doesnt make any sense to me.
i dug this rotor out of a bin (pmbo left over parts!), removed the metal bearing covers on either side of the bearings as tinman suggested, and tapped the cases with a 6v lead acid a couple times and noticed some slight jostling of the bearings, so i grabbed the only compass i have on hand ....and was suprised to see that the rotor had a magnetic field of its own now. i wish i had checked before i tapped it to the battery...and i have some more experiments to run to try to replicate it etc, but it got me thinking about eds pmh and russ's nuts. could the bearings be acting as another form of pmh, and if i could take them all apart and re-assemble them....would there still be a magnetic charge?
just food for thought anyways....
jer

https://www.youtube.com/watch?v=iVnwkXa1FvM

Quote from jeremy gwilt on June 3rd, 2015, 09:46 AM

but it got me thinking about eds pmh and russ's nuts.

my nutz humm :)

haha nice! yeah sounds like you got more questions than answers but there all good!

~Russ

@russ...

ya, i am after all just a curious observer.
i come across a lot of people making all kinds of claims online....if i pretended to know all the answers...well...you would know for sure i was full of something.
i think it is important to frame the questions properly first. there is something in this that speaks out to me.....why does the steel bearing case have electromagnetic properties? why would a ring of nuts? these are clues to a different fundamental understanding of the relationship between electricity and magnetism......at least i can tell that much!
more to follow...im not done with this one yet.

keep us posted,

we are all the same Curious Creature's :)
~Russ

Quote from jeremy gwilt on June 4th, 2015, 11:43 AM

...these are clues to a different fundamental understanding of the relationship between electricity and magnetism......at least i can tell that much!

All I can say is to follow your instincts.  Somewhere deep inside most of us is a place that knows the answer.  If we can negotiate the morass of obstacles before time runs out, we'll get there.  The trick is to freely pass on what we discover along the way so the next person has a head start in this journey.

Electric Motors- DC Motors and Generators 1961 US Army Training Film

start at 26 min.. the motor will blow itself apart..
cheers

https://www.youtube.com/watch?v=hvgBkm-QuYc


reminds me of 2 alternators joined