Well with some testing on the lawn here is a change I had to make, simple if you look at the rudder servo there is not enough support near the servo end final product here vid http://s443.photobucket.com/albums/qq153/lipokilla/ Two photos show the internals of the carbon fibre rod, where is exits the body you have too keep this quite short, the link above is split for some reason just copy the whole thing into a browser I guess you can see the after and before photos here