Torque tube locking
I added a star lock washer, torqued the jamb nut and then put a bead of torque putty across the nut and onto the bearing shank for a quick visual check during preflight. No movement so far and any torque tubes with this method.
Dick DeCramer
Northfield, MN
RV6 N500DD flying 300 hours
RV8 Fuselage