Disclaimer: This person will in no way be held accountable for damages caused by listening to his advise.
Also, balance that Edge 1/8th in front of the recomended spot to start.
I crashed mine TUesday
I went from a 7 cell to an 8 cell battery. It only balanced 1/8 in tailheavy. That's enough I guess. I made a turn to tight, it snaped, spun and went it. 2 more feet and I could have saved it
cause my fingers automatically snaped the high rates on.
Oh well easy fix. Besides, I'm in the process of designing a better bird!