Originally Posted by jetpackninja
Don't cut the shaft until you get a prop saver/prop combo you are happy with
If you do decide to shorten the shaft, put the motor in a plastic baggie (seal it up) and poke the shaft through the baggie. The object here is to keep the magnets from sucking all of those little shavings into your motor. Dremel with a fiberglass reinforced cutting wheel makes short work of this job.
That's good advice, thanks. I don't want to ruin another motor.
I also have some of those. The elastic seems too small to stretch all the way over the prop though.