I can only give advise with your last question - make sure your heli is placed on a lawn, or if you only have asphalt (concrete etc.) then apply rubber tubes/balls to the landing gear. They are available at (I believe) any store.
Hello,I've "build" my own version of a hexacopter - and I just can't get it to fly stable with the APM. I am close to rip my hair off.The hexa is nothing fancy. "Regular" 800-type electric motors, 3-blade props (9x5), diameter from center of one…