Originally posted by bistander
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With Toroid Windings and brush riding on top there is no need to add any jumpers.
Every change in AT (Amp/Turns) by positive brush will translate Inductance smoothly, as it would be generating two repulsive fields on each side of brush...plus, inductance will really grow at higher speeds.
No one so far has tested this set up...just Doug did it...and according to himself it works.
Let's wait till Cornboy does.
It is definitively NOT the same thing as using a remote and small diameter commutator with some spaced contacts and short circuiting with jumpers.
Time will tell...
Regards
Ufopolitics
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