450 trex450 with 3gx tail prob again??????????????

[procoup]

Hi guys its tail probs again witht the 3gx have got a bad wag on my tail cant seem to get rid of have reset 3gx to 3.1 have gone thru the whole setup up about ten times have gone back to 3gx1 then thru to 3.1 for a re set have played with the rudder delay its now on 30 its a little better here but worse on 0 my gyro settings are 80/20 cant seem to get this problem solved can any one help please ANDREW

 

[Slobberdog]

What gain are you using and what tail servo, how far from centre do you have the tail servo ball,

some pics of your setup would be good,

as they say a picture speaks a thousand words

 

[stokke]

Mechanical geometry issue?