Of course the original esc is not suitable and the price jump to the neu range is not small but I was curious because I noticed a lot of people run the 4.5 which is high speed and sensitive to heat problems anyway.
I've just rewound my original 6.5 4400kv. I wanted to get 6.5 turns or higher but could only fit 5.5. It was recommemded to me to use 8x 0.63mm and 4x 0.67mm copper to replace the 4x 1mm wires on each stator. With that arrangement I could only get 4.5 turns and I thought it would fly off the handle so I reduced it to 6x 0.63 and 4x 0.67 to get 5.5.
I don't expect to have esc problems but I'm inclined to think the motor may overheat. I will test it soon but if it all comes to grief I will re-think my back up plan which was my original question. Thanks for answering guys.
