Originally Posted by tazmoe
Are you using the stock aircraft type 8? I am and I can't get it the rudder to work properly. I have an xAircraft 650-V8 so it is similar to your configuration. Mine is rotating in circles and does not respond to the rudder control even though it appears that it working in the GCS.
Are your motors/props spinning all anti-clockwise on the top, and all the bottom motors/props spinning clockwise on the bottom.. Its different to the FC1212-P controller from Xaircraft (I had a x650v8 once). Use this diagram, and chose 8 as your profile in setup. Blue is top pink is bottom.