This is what his mother would call him, and according to David's recollection his mother told him that if she hadn't abused him so severely she would have killed him and buried him out in the backyard. It was only a very on the ball teacher that saw the plight David was in and reported the abuse.his is what his mother would call him, and according to David's recollection his mother told him that if she hadn't abused him so severely she would have killed him and buried him out in the backyard. It was only a very on the ball teacher that saw the plight David was in and reported the abuse.
IMHO, AC Propulsion (Tesla Motors) uses AC because a mechanically commutated DC motor that meets the high turn down ratio of a vehicle application is more complex than an electronically commutated AC motor.
Weighing in at 52kg (115lb), the Tesla Roadster's tiny three-phase induction motor is no bigger than a watermelon. Yet it packs a hefty 288 horsepower punch. More impressively, the motor's 400 Newton-metres (295 lb-ft) of torque is available from rest to nearly 6,000 revolutions per minute.