Originally Posted by bwilson4web

Would the parking brake have the same effect?

It sounds as if BAS torque would have to pass through the crankshaft to reach the wheels. This would limit torque or require a much stronger crankshaft and bearings, not a happy approach. But this also defines a distinct hybrid architecture, through the crankshaft. The IMA at least does not put any additional stress on this critical engine part.

Bob Wilson