Also, regarding my original post and the intent of my idea, I do NOT want to build a hybrid. There will be NO battery bank, just one battery to start the engine. The generator will simply act as a transmission, and the electric motor(s) would act as a differential. In effect, I would be duplicating the drive system of a typical car only using electricity. Replace the gearbox with a generator, and replace the differential with electric motor. The engine would operate, for the most part, the same way car with a CVT does.
I'm just trying to simplify the design process of a homebuilt car. If I ditch the gearbox, I don't have to try to adapt the engine to it. I just have to fabricate some mounts for the engine and generator. I'm not sure how big sufficient motors would be to drive the wheels. Ideally I would like to drive two wheels with an internal electric motor, but if motor size is a constraint, maybe I could use one large motor as a differential and drive one wheel with a shaft.
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