Originally Posted by
Roelof
With a price limit they sell you a motor and you can buy the faster rotor afterwards......
I think the ROAR did see that while doing tests in the field. On my club there was also a guy who did rewinding motors. By rounding the edges, using a much thinner isolation and a tight hand winding he ended up with a much shorter wire lowering the resistance. And keep in mind the purity of the copper also plays a role.
That's what bugs me about the factory select/factory certified motors. for a few dollars more, these companies can order the torquier rotor, but they choose to offer it as a pricey upgrade. Heck, Surpass was selling their motors for less than $100 and the rotors were stronger than $150 motors.
There are also guys who rewind their motors with 15.5 turns instead of 17.5 turns while using a thicker wire.