Interesting situation today. 2 Quads fell out of the sky by throttle cut. Earlier this morning, a buddy of mine with a Phantom 3 took off, got to about 70 feet, the throttle cut 100% and it fell from the sky doing about $500 worth of damage. I have a new F450 Flamewheel setup and just had the exact same thing happen to me. I was flying for about 6 mins and going through stabilize, loiter, draft, sport, alt hold. As soon as I hit alt hold, the copter took off towards the sky, I switched to stabilize to regain control, nothing, continued to climb and head in the direction of the highway about .5 mile away. I programmed a throttle cut switch to which cuts to 900 and I have a FS setup for 950 that puts it in RTL. As soon as I did that, no RTL, throttle cut 100 and fell from the sky onto concrete. Lost two arms and the bottom plate. Not very expensive but kind of curious to have the same issue twice in one day. Any ideas?
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Mike, preferably a .bin log from the FC or .tlog from the ground station.
added. thanks!
as Chris says, check your vibrations (most likely cause)
..and Phantoms crashing is just normal :)
I saw a tutorial on vibrations and hadn't gotten that far. All other calibrations were fine so I guess I got a little ahead of the game. Luckily only a $20 mistake. More costly in lost flight time. I also had a fishbowling issue earlier in the day on an attempted RTL. Drone lifted up to designated height, made it back to the position to start it's decent and got into a crazy fishbowl on the way down but averted a crisis. I recalibrated the compass after that and then this bad attempt was my go at seeing if I fixed the fishbowl. ha!
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