I have a turnigy kv2200 3s brushless motor on my foamy. Everything has been working fine until I had a crash. Not bad, no damage. Now the motor runs but cuts out (all speeds) after a few seconds. I discovered this when I hand launched my plane. Pulling the throttle stick to minimum then applying throttle it works again, but only for a few seconds. Then it cuts out again, pull throttle back, push throttle stick then it works again. Fully charged battery. Changed the receiver. No luck. Bad ESC, motor or maybe a loose connection? I'm leaning to a loose/bad connection to the ESC.