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GM provides technical details of the Gen 2 Voltec propulsion system used in the 2016 Volt

Green Car Congress

Clutches are OWC1, C1 and B1. Concentrated winding NdFeB magnet. Schematic lever diagram showing the gearing of each of the two propulsion motor-generators to a common main transmission shaft using an individual planetary gear set. Click to enlarge. Modes, engine on. Final drive arrangement. Parallel axis gear reduction. Motor A type.

Volt 150