Chevrolet Volt Voltec Electric Drive Propulsion System

[stratdude83]

nice job with the camera

[danwat1234]

Another question, when at 70MPH and the battery is not depleted, to increase efficiency it looks like they somehow use the generator as a motor? I know a AC motor can easily change from being a generator to a motor... so Basically the volt will use 2 electric motors sometimes so that the one motor is not stressing and creating too much heat.

I guessthishelpsreduceweight,cus the primary motor doesn't have to be able to fully power the car, the generator can help as well+engine whenbattisdepleted

[danwat1234]

So, when the battery is depleted and the car is at 70MPH, the engine is running the generator, which is locked to the motor, which is connected to the front wheels. Therefore Engine power is directly turning the wheels, right? So in this mode, it is NOT an EV because engine torque is being directly transmitted to the drive wheels, right?

[JrgrimWoW]

This is brilliant engineering. I don't work for GM, or even own a GM, but somehow I'm very proud of them for making such an advanced car.

[obts10]

@JrgrimWoW I totally agree. I dont work for them either but I think this is car will be the most important car for GM and is groundbreaking tech. This offers all the advantages of electric with none of its weaknesses..

[ekuwa69]

If i'm seeing this right, at the end he's basically saying on the highway the engine is moving the car and giving power to the battery at the same time.

[ndyt]

everyone drives above 70 mph on the highway in Atlanta, where I live. I would like to see how it does at say 80.

[ekuwa69]

@ndyt top speed is 100 mph. This demo just goes up to 70mph.