Folks,
If you are flying anything with a Rotax, and you have anything but the standard prop., for the aircraft, and/or you think there is a balance problem, be very careful.
There seem to have been a number of engine failures ---- broken crank and severe damage to the front main bearing, as a result of prop. changes or an out of balance prop.
Tootle pip!!
PS: Winrye at YSBK have the good gear, and know how to use it.