A > way to go Larry!! I read somewhere that you're suspossed to re-torque the prop bolts on a wood prop after 100 hours. something to do with compression of the wood. just a reminder. > Mike Turner ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Probably more often than that depending how quickly you put the hours on the airplane. A wood prop should be checked seasonally as the temp and humidity change. I plan on checking mine soon. Larry Flesner