Help help , tail issue

[Adam F]

Did my first flight on the x50T today , I had to auto down after a min. or so because the tail rod disconnected from the servo horn , ther seems to be bad vibration on the tail anytime I am half stick or below . Above half stick the vibration is gone or is a lot less , alll the tail rod holders came loss also . Please help

[Adam F]

The tail servo is mounted on th tail

[crashagain]

I used red thread lock on the coupler, and a drop of thick CA on each of the screws on the boom guides. Check your linkage on the servo, vibes should not be making it come loose, you may have some slop and caused it to come loose.

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[KouDy]

I used blue threadlock on the grubs going into joiner for the tail rods. I didn't need to maintain that so far after few galons of nitro...

What vibrations do you have? Horizontal or vertical (tail wag up and down or left and right?)? Or is it that your heli vibrating completely?