[ragebol]

The rotors will be unbalanced (even if the other side also broke off, chances of the same amount breaking of are as remote as the thing itself), so it will vibrate and probably tip over if it spins too hard

[imglorp]

Sure, but that will be more data than guessing and not trying.

[HeyLaughingBoy]

It's math about physics (actually mechanical/aerospace engineering), not a guess.