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Backward screws on tail hub

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Backward screws on tail hub

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Old 01-28-2008 | 10:00 PM
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From: , AUSTRALIA
Default Backward screws on tail hub

Well after cleaning and rebuilding my tail hub I have found that shaft movement has a very rough touch to it. i.e. - feels like as if its clicking with each movement. To solve this, the furthest 3 screws on the tail hub that form a kind of triangle. I put these screws on backwards (i.e. screw head on rotor side, and now shaft movement is sooo smooth.


I guess this could be due to my tail hub being slightly bent if thats not normal.

Should i attempt to fly it like that, giving more thorough tail inspections between flights, or am i asking for trouble? Just wondering if I can get out of spending $50 for a new tail hub in its current state.

Old 01-28-2008 | 11:47 PM
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From: Torrington, CT
Default RE: Backward screws on tail hub

all the screw heads should be on the right side (tail rotor side) of the tail assembly, aside from the 2 screws holding the stabilizer on of course

could you take a photo to clarify what you changed
Old 01-29-2008 | 08:44 PM
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Default RE: Backward screws on tail hub

darkage, I don't know that I would fly it that way..
My concern would be the fact that the side the screw threads "bite" into is the rotor side.
I'll bet if you take out the 2 screws on the vertical fin, you'll be able to pop the non-rotor side right off.
Not a good thing to happen at altitude..
Provided the 2 vert fin screws are tight, it will hold, but it's designed to have 5 holding the tail together..
Do you really want to risk it??
Considering a new tail shaft is cheap...

N3M3515

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