Originally Posted by
Eaglesrx
I currently have the revtech 17.5. It's a great motor and fast. It's rated at 3300kv. The trinity d3.5 is supposedely better, as evidenced by the 3700kv rating. Also, part of the reason why the d3.5 is now illegal.
If you go by kv the revtech would also be illegal, as the kv for a 17.5 would be around 2200kv. So any motor based on the 3.5 or revtech would be illegal as well.