I am new to larger props and recently got new sunneysky x2212-13 980kv motors and 1045 props. I love this combo, it nearly doubled by flight time from my old inefficient setup, but I am new to the nut motor mount setup.
I used locktite like everyone suggests but I tightened all of my props way too much, again this is new to me.
I learned that over tightening can lead to splintered of the hubs and even creation of weak points where the blade meets the hub.
Still easing into the new setup, I was taking it easy on some night flying when the quad suddenly drop out of the sky and landed up side down. Very forutnately for me, I was doing slow low manuvers and only broke the GPS stand off and a prop (which broke in mid air).
Initially I didnt know what happned. Why would my seemingly perfect quad fall out of the sky? As I walked up to it, it looked as it the prop had exploded. Knowing I didnt hit anything (except for the ground after losing a prop), my only conclusion must be that my props were too night and one in particular couldn't handle the stress in this fractured state. This was confirmed when I looked at the rest of the props and they all looked like they had exploded.
(homemade pan and tilt)
All in all a cheap mistake (could have been MUCH worse), but you should learn form my mistake... Don't over tighten your props!
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