If you go with the twist spend the extra time to put some epoxy on the landing gear plate as this is a well known weak spot . An Os 46ax with a 12.25x3.75 prop works great with this plane due to the oversized control serfaces this plane is not designed for speed . also an 1100mah battery put as far forward and Dubro 3" foam wheels sets it up high enough to clear the ground makes a nice set up