RichWest said:Even though the issue is resolved (well not really - DJI), I'm still having a hard time understanding the props flying off when the motors stop. I believe it would be only if the motors reversed that you would have a prop(s) fly off...correct me if my thinking is wrong.
Self tightening props work two different ways in my experience. Hand installed and then flown requires no tool to assist in removal, grab the motor by hand and reverse the props off. However if you place the props onto the motor without tightening by hand and then start, then the props torque down and requires the motor tool to spin off the props. Basically the props are very secure when the motors are allowed to "self tighten" the props.
FWIW, I only hand tighten the props as a normal procedure. The motor method was just a test to see if it would work, ie. self tighten... My concern would be mis-applying a prop and have it not engage...we all know what happens to a quad when only 3 propellers are installed...
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