600 tourqe t drive

[mickeybling]

my 600n has developed a vibration /hum on tail .i am curantley runin -in my new nova 57 engine.after a couple of circuites with higher headspeed ,tailfin vibrating violentley, replaced what i thought could be the problem. tail shaft ,mainshaft returned to field today spool it up ,stil had the problem,turns out tt drive bent ,only slight but it seems enough to cause the problem , so fited the belt drive off 600E, perfect , and quiater ,i have found the TTdrive to be a paine . costley and noisey

[heliward0]

my 600n has developed a vibration /hum on tail .i am curantley runin -in my new nova 57 engine.after a couple of circuites with higher headspeed ,tailfin vibrating violentley, replaced what i thought could be the problem. tail shaft ,mainshaft returned to field today spool it up ,stil had the problem,turns out tt drive bent ,only slight but it seems enough to cause the problem , so fited the belt drive off 600E, perfect , and quiater ,i have found the TTdrive to be a paine . costley and noisey

as you know thts why i removed the torq tube on my 500,,more trouble than they are woth imo.. (did you get my p,m??)