Quote Originally Posted by Shooty View Post
I notice in your last picture that one of the metal pins on the gearbox has come loose. if one of those comes loose, the entire planetary setup can come loose or seize as well. I'd recommend putting a thick zip-tie around them in the future. I've sometimes had to re-adjust them after a fight, but I haven't had a gearbox fail since using this method mid-fight.
Yep, they were both loose in fact... the whole thing might well have come to pieces after a couple more fights. Cheers the for the advice, that's a good shout (and something I have knocking around - sadly no 45 mm M3s in the bits box, but thanks for that hint too Nat!).