Using EV Bus Motor in a Car?

870 Views 2 Replies 2 Participants Last post by hiura, Aug 16, 2021

hiura

Discussion Starter · Aug 15, 2021

I am not an engineer (obviously based on the premise of the question), but my research shows some bus motors not comparable to diesel engine dimensions, meaning that the specs I have seen put into a car looks promising.

Has anyone swapped an ev motor meant for a bus into a car truck? How did the process go? How did it differ from using motors for fork lifts or other applications smaller than a personal car?

Granted, I've also seen Arlin Sansome's Leaf motor making far more power than stock, but I wanted to ask about a bus motor. Also, having a record of information here will likely prove of some use for someone researching this topic in the months and years to come.

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brian_

· #2 · Aug 15, 2021

I don't think it's a completely unreasonable idea, but any motor intended for a bus is likely to be quite large. As an advantage, it may be capable of producing a lot of torque so it could be used to drive the rear axle of a traditional car, without any other reduction gearing. Some battery-electric buses have been commercially produced with motors that are lower-powered than typical current electric cars... it might not be unreasonable.

Do you have a specific bus motor in mind?

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hiura

Discussion Starter · #3 · Aug 16, 2021

Parker Hannifin GVM310 since they have PMAC motors and good numbers. The KW and torque for the frame size of the motor looks good to me (an a non-engineer). I've seen Powerglides take the torque as well as some Allison transmissions. These motors are built for a beating, so things that would be "over-engineered" for a particular application interest me.

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