Crt .5 MMM / 2650 / 4s!

So far ive been running it on 4s, and I have only had 1 problem the set screw slipping, or the pinions getting eaten up. I just put a Robinson Racing Pinion Harden Steel 15t on it, and have already had it slipped once. Its got lock tite on it and drying over night...

Chassis: Jammin' CRT .5
Engine: Neu 1512 1Y
ESC: Mamba Monster
Battery: Turnigy 4s 5000mAh 20C
Mods: Rc Bro engine mount with custom raised plates so the motor would fit