Do not use the wood blades with no root reinforcemetns. They have known to fly-off during flight. New wood blades come with the black plastic root support.
From:
Self
(Wed 06 Feb 2008 10:57:33 EST)
According to Ray Stacy (Kyle's dad), over tightening the belt will cause it to flip (teeth-side out) during flight.
From:
Self
(Thu 07 Feb 2008 23:33:23 EST)
Belt flipping has stopped after lubing the belt wht Trilube.