Quote: |
Originally Posted by Chubs While reconing it we noticed NO cooling ports or holes any were on the motor. The DD has cooling and the mach 5 has larger gaps between the coils and magnet which means less efficiency. |
Ok, you recognize that a wider gap means less flux and lower efficiency. What do you think machining steel out of various spots in the motor (ie. pole piece) does?
Someone correct me if I'm wrong, but the coil on the SPL12 is also longer.