Originally Posted by Born2Run
You could keep it and change only the rotor.After all it's a 17.5T so the vent holes are not so important.I got a 10.5T from Hobbyking like this one you can see in the picture and it runs cool without having the vent holes.The funny thing is the way they use to balace the rotor (11,7mm also).On the lower edge of the magnet they cut off a hole piece of magnet
This has a small piece of epoxy for the balancing.
I noticed on the packaging, it shows 13.0mm rotors for all the turn motors available.
I think I'm going to pass on this motor. I'll keep 1 to try again, but no need for two.