It's a homemade 20kW (peak) brushless motor that he put on his electric motor cycle. I don't know what one of those would cost you off the shelf. I am so tempted to buy that book, but the temptation is eased by the fact that I don't have $50. haha
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When I die, I would like to go peacefully, in my sleep, like my grandfather did. Not screaming and yelling like the passenger in his car.