Just increase turns per slot but 350/240. Reduce wire cross sectional area to 250/340 of what you had before.
The rewind company will calculate the wire size. Don't worry about anything else it will be near enough for braking and everything else, it will just think you have got a new transformer with no magnetising current.
There will be no problems with eddy currents in the copper wire to worry about, that doesn't happen in slotted coil windings until you get to megawatt levels.
Flux
Flux[ Parent ]
Will let you's know how I get on.
Dee.[ Parent ]