Your problem is definitely an ESC mismatch. Some of those tiger motors need a lot of advance to stop them loosing phase sync. That is not the root cause of your problem but a way to cure it so it runs ok. What you need to be able to do is snap the throttle open a few times from idle. If it squeals then it is going to stop in the air. Generally SimonK does not work with those motors unless he has done a recent mod. I believe I cured that problem in the past when I tried those motors with some basic Hobbywing stuff. I went through this with a few different ESC's with Jeremy at Electriflite and he knows which ones work.