[SpEEdyBL]

There is nothing wrong with high rpms with a quality motor. My novak hv4.5 for example is rated at 4800 kv unloaded. To be fair, I assume it drops to 3800-4000 kv under a load - still 55,000+ rpm on 4s. Geared properly, it's a touch faster than an overgeared 8xl at 20/51 in my ofna mbx which heated both the motor and the mamba max to 195 degrees in less than 5 minutes. I tested the limits of the novak motor and I got it to thermal in my 8ight geared 12/46 after 9 minutes of speed passes and the motor was only 160 degrees.

Neu motors are very similar internally to novak motors, so im sure they will be able to handle high rpm just find. IMO, the 2200 kv neu motor is very versatile. 2200 kv seems to be about right to be able to use almost the whole range of pinion gears on 4s. Gear down if you want less power. Then if you do want power, you can run 6s no problem. Since the neu motors are so much more efficient than feigao motors, you don't need to run 6s to keep things cool. 6s is only needed for maximum power.