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I wonder how a giant (read: awesomely cool) warp 11 or warp 13 would suffice direct driving your driveshaft. A quick search reveals that a warp 11 is good for approx 300 ft/lbs @ 1000A. I would think that a warp 13 @ 1500A would be plenty for direct drive. Max continuous RPM is 3000, which equates to 60 mph (800r/mile tires, 3.90:1 ratio). Redline is 5000 - 100 mph. That will do.
192V*1500A=288kW. That will do.
The big advantage to rear wheel drive, direct drive, is a wide open engine bay to fit biblical amounts of battery, allowing full use of the trunk. Since viable wheel motors are not available, I see this as the best option.
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