说明
AstroFlight 90 Industrial Motor,
Samarium-Cobalt magnets that won't demagnetize until 300ºC.
Very poweerfull motor, 256rpm/volt, 10 turns, 5.3 in-oz /amp,
continuous current 35A, up to 1200W at 48V.
Weights 32 oz, and starts spinning from less than 1 Volt.