Flyzone Piper Cub RTF
 

IKEEP BENDING PROPELLER SHAFTS ON LANDING.I LAND ON GRASS FIELDS AND THE AIRCRAFT IN MOST CASES FLIPS OVER AND ON OCCASION BREAKS OR BENDS THE PROP SHAFT.SO FAR THE ONLY REMEDY IS TO ORDER A NEW ENGINE.I CONTACTED FLYZONE AND THEY DO NOT SELL SEPARATE PARTS SUCH AS PROP SHAFTS.PROP SHAFTS ARE ALL I NEED TO REMEDY THE PROBLEM.DOES ANYONE KNOW WHERE I CAN OBTAIN PROP SHAFTS?
ANY HELP WILL BE APPRECIATED.