This is my AP tricopter with 15" radius and DT 750 motors. Did a couple flips, some fast forward flight, then lost it in a quick decent, and turned it into a pile of @$%#^$#.
Only three props ( $3 ) and 2 booms damaged total about $4 damage and a half hour time to fix. A heli would has cost me 1-$200 to fix. Too windy, and too little throttle used on decent. I don't think there was enough throttle for the gyros to hold level flight. Oh well, no biggie!

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