Tail wag please help!

[Rob43]

I wasn't able to make 17.5mm work with my 8900G and Vbar. I am at 14.5mm on the tail. It works well enough. No wags.

[MrEmail]

Last friday I replaced all kind of parts like main shaft complete rotor head. autorotation hub and the problem still remains. I almost completly rebuild the heli and the problem doesn't go away. I hope there will be a remedy soon.

[EricW]

Hey Emile,
Witnessed two other issues like yours after our long session on Friday...
Please pull the tail hub apart again, and put one end of the Hub spindle in a drill ans see if it wiggles (I know it's new).
If it does get yourself a straight one.

Grt,Eric

[Gawl]

I know you said the links are sized properly but you might want to double check. I had issues with mine and after re sizing them and replacing them (sized them too much), I still couldn't ever get them right. Ended up switching to some out rage balls and it worked like a charm.

[EricW]

And maybe also the bearing blocks:

http://helifreak.com/showpost.php?p=3959574&postcount=4

I remember your main shaft did go in or out pretty difficult too.

[Rob43]

To add to EricW's reply, a few have recently discovered the trick to fixing bearing block misalignment is to separately square up the upper frame portion with is detached or loose from the lower portion.

http://www.helifreak.com/showpost.ph...0&postcount=22

[MrEmail]

Thank you for all tips guys. I was a little bit busy this week with work. So I will take some time this weekend to test all your suggestions. I will also try another tail probarly if it doesn't work

[Rob43]

Let us know how it goes...

[MrEmail]

Yesterday I solved the problem. So thanks to all you guys which helped me solve the problem. I replaced the tail which included.

- tail hub
- tail bearings
- tail grips

It's weird because I replaced it all. But the only thing that counts that I am happy again

[EricW]

I heard it from Rogier allready ( we all got frustrated a bit with it...., unbelievable )
Great it's solved!!, rip some sky with it now

[njs77]

It turns out that my tail wag was caused by the governor of HW 120HV ESC. I disabled it and tail wag is now gone. I know Hobbywing is currently looking ways to improve governor function, hope that helps. Otherwise I have look other alternatives (other ESC or FBL box with gov function) because I really enjoy flying with governor.