This clip shows what happens when you forget to monitor the Aux battery. It was a 1000mAh/3s, and I imagined I would safely get >1 hour with it. First flight with the Aux battery.
I wasnt thinking when I set up the power system, and connected the Ubec to the Aux battery supply too. I am not used to monitoring an Aux V level and forgot to check it. When I realised what was happening I quickly headed for home. Video soon went off, but 'Return Home' was bringing the plane back ok, and I had regained visual contact. I was about to land when the battery went too low and the Ubec cut power to the RC. Game over. The plane crashed about a minute after the video dropped out.
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