I seriously doubt that it would work but I have an idea of how you might
overcome some of the spin resistance due to the attractive force that pulls
the magnets to the outside of the hub. You might try spring loading with a
lightweight spring, just enough to lift the magnet to the outside of the
spoke in the absence of the repulsive force magnets. The like poles that
force the magnetic rings to the center would obviously have to be strong
enough to overcome the tension of the spring. If the repulsive force
magnets were strong enough to compress the spring you would not need the
unlike pole magnets to pull the disk to the outside of the spoke.
There are several variations you could use if the repulsive magnets were
not strong enough to overcome the spring tension to move the magnet to the
outside of the spoke by itself. Using a weaker spring that the repulsive
magnets could overcome you could move the attractive magnets further away
and no magnets would be needed at all when during the bottom quarter of
each rotation. As a matter of fact in your current design you should not
need any magnets on the outside ring in that lower 1/4 of the rotation.
Possibly by removing those you might lessen the attractive force enough to
allow the hub to spin with less resistance.
I am glad to see someone actually working on prototypes and trying to make
a simple proof of concept design work.
Dan
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