"Hi Will.  This might be a long shot but take a look at this thread I started this morning.  After i posted the pic, user Jim Kahl spotted that one of my props wasn't correct which led me to recognize that I had wired one of the motors the wrong way…"

"Hi all.   In my last real flight, I lost power for some unknown reason from about 30-50 feet up when i switched modes during a flight.  I went back to stabilize mode on the way down but it didn't seem to respond.  It hit the roof of my house flat on…"