[jyl]

The reason I'm talking power is because in cycling, that's the common language. It takes pedaling at 250 watts to the crank, to ride 20 mph on flat ground in calm air. So when I saw the claim that this drive will produce 200 watts at 20 mph, that was interesting - if true, the drive could propel a bike at 20 mph with the rider barely exerting himself.

Plus, as established here, I don't understand power.