Thanks Scott, I am trying to be methodical with this. The coincidences of this are just too similar to not try to rule this out. I was questioning Tx-Rx signal loss from the very first major crash. I am not ruling out flying skill and disorientation either, but I had put colored tape on the dome that I could clearly see at the time of the crash. I was in a head in position drifting backwards with the wind, and I was gunning the throttle and had the right stick (ailerons and elevators) positioned to climb and bank the quad back towards me. I practice this with my X1's. It just did not happen. Now and this is highly probable- did I underestimate the inertia of this quad relative to its mass and motor power relative to the wind? Most probably, so that is my inexperience with the build. Also I have to look more carefully at how well this build can fly in the wind. At least I have my anemometers to work with here. And once I get rebuilt I can do simple and safe testing of wind hovering. And since I do not have weather balloons, in the future, before any quad build flight, there will be a preliminary test flight or two with my X1's to try to get a picture of the wind patterns over this sloped ravine hilltop property I fly. I also have to look at Tx-Rx signal strength with the quad as it was built as to where the Rx was situated under the dome and in relationship to the FC and the antenna in relation to everything. All the build guides have the Rx and KK board set up similar to the way I have set up mine. From what I have read since the crash. The antenna for this Rx should hang vertically which is how I had mine, but some builds have the antenna running along the metal boom. So I have things to consider, research, and with which to experiment as I await the parts. We'll see.
PS: Now as I read this post. I am thinking about past crashes over the past year and maybe I could have just throttled correctly, banked correctly, and incorrectly dove rather than climbed the quad on the TX sticks. That was a common learning curve mistake I was making with all my RC aircraft. This could be the real reason.... Regardless more practice is obviously needed.
