CVT transmissions for buses

[Jim Blackwood]

Well, every 3 phase motor you've ever seen has been an induction motor so I'd say they do have some potential. So are Tesla motors... and a whole bunch of others. If it's brushless it's an induction motor.

Jim

[chessie4905]

looks like the trend of brushless motors is expanding. Of course that is old news but anyway.

[luvrbus]

Well, every 3 phase motor you've ever seen has been an induction motor so I'd say they do have some potential. So are Tesla motors... and a whole bunch of others. If it's brushless it's an induction motor.

These were huge for military tanks, the small turbine engine was the replacement they were not something you pickup by hand,everyone should know magnetic motors have been around for a long time.They were working brushless generators at the same time, now brushless generators are the better generators     

[Jim Blackwood]

A rail gun is just a brushless motor built in a straight line instead of rotating. You could say it is unwrapped I suppose, or something like that. It also has high speed sequential switching of the windings on the stator. The projectile is the armature.

So, if you put that same technology into a rim motor, you should be able to create a very powerful motor and keep the weight down.

Jim

[TomC]

On farm tractors, don't get hydrostatic transmissions confused with CVT.

Shift points were programmed into the CVT transmissions since it was found that under full power, the transmission lasts longer if it isn't sliding around. And you'll notice (at least on our 2021 Subaru Forester) that each shift has a momentary release of power when the transmission adjusts to it's next "gear".
Nothing can duplicate the efficiency of a multiple gear manual transmission. That's why most automated transmissions now in big rigs are of 12 speed-either direct drive or overdrive final gear. With rear end ratios all the way down to 2.21 now, direct drive is the way to go if you're doing mostly highway miles. Good Luck, TomC

[freds]

Makes me wonder if large vehicles with go the train approach with the power plant driving a generator with traction motors. Hey six wheel drive!!!

Some interesting possibilities with a hybrid battery pack.

Read an article on converting trains to battery power and two engines could powered by one half full rail car of batteries and still meet maximum car weight limits. Of course that would need a hell of a charging station!!!