safe
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- Mar 28, 2009
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Which way will the pole faces point? Towards the sky/road, or towards the left/right?
Sky / road like in the picture.
The double sized Halbach field faces outward from the rear wheels axle.
The minimized Halbach field faces inwards towards the rear wheels axle.
The stator is in an outer ring (larger) than the rotor. (and mounted to the frame)
(there is no need to add any bearings like most motors need)
...pretty much the same as the picture.
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Unless you have a better suggestion?
The idea is to build something that is roughly of the same size as a large disc brake rotor.
One of the nice things about these motors is that since they naturally prefer being spread out you can get much better air cooling. With the typical tightly compressed motors you have a hard time getting air into them... but with the big flat disc they should have excellent cooling abilities.
I'm somewhat surprised at how FEW turns these motors seem to need. The solar racer talks about using either four turns or two sets of two for each pole. I guess the leverage is so extreme that you just don't need much.
Kind of amazing... (the whole idea is still sort of blowing my mind )
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This even sort of brings back the idea of doing something like KERS for ebikes.
With these big disc "rotors for motors" you could put them on the front wheel too and do regen.
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