Need Help Solving a Mysterious Iris Crash

I was flying an iris over the weekend, and for some reason it decided to fall out of the sky. I went back to take a look at the flight log and it looks like the quad knew it was falling and was attempting to compensate. The battery voltage appeared t

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AC3.2.1 Auto mission underpowered autonomous takeoff.

I am having an issue with AC3.2.1 not taking off predictably after an auto mission is started. After the quad is put into Auto mode and throttle lifted on the rc transmitter, the autopilot seems to set a prop rpm that is too low for takeoff. I spent

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