Originally Posted by
James123456
My question about how much power was more aimed toward how fast would that motor need to spin in order to create it's peak power? ( Spinning from the drive belt)
That's a complicated question, and there's not enough information available to answer it. It depends on the specific of the motor and the load on it (and even if you tell me all about the motor and such, I couldn't really answer it -- so I wouldn't suggest trying to figure everything out.)
In referece to your recent example: If the electric bike will use the initial 250 watts to propel me at 20 mph I would need less than 250ohms of resistance ( to allow the motor to put out above 500 watts) to add more charge to the battery correct? And that is not possible...correct?
The 250 watt figure I gave was just an estimate, but it's not an "initial" figure -- the motor will need to produce something around that much power just to keep you going at 20 mph. You'll need even more initially to accelerate to that speed -- but it will only take a few seconds, so it's not really a big concern with regards to your range.
And if my scooter doesnt have regenerative braking, could I add a dc motor like my idea that would be engaged while wanting to slow down
Yes, you could. But that motor would add considerable weight and complexity. I'd suggest instead just getting a speed controller that does regenerative braking with your existing motor -- no need for another motor or gears or whatever to engage it as desired.