Twitchy Tail in the S61

[toolguy]

Be sure to get a good tear down of the P/C shaft and record play and torques, condition of the bearing etc. You are half way to solving the problem.

[K1W1phil]

Phil Lloyd

I would say right on with that one Phil,

[chopper_doctor]

Just a footnote to the twitchy tail saga. Thought the problem was licked when the boys changed out the T/R gearbox and put the old one back on. Well,things were fine for the 45 minute flight, but the next day after another 45 minutes or so, problem came back again, gradually getting worse. Next step was to change out all the tail feathers, and low and behold, problem solved! Got a couple of hours on it now, and not even a flinch anymore. I think what happened was when the old gearbox was put back on, the T/R got a real good greasing, and this alieviated the problem for 45 minutes or so. Thanks for the suggestions and help!~
now, if I can only get that damn janitrol to work..........