Originally Posted by Bob Paris

Hi Guys,
I am going to enlarge my rudder and modify the vertical stabilizer. I found a picture of one mans modification to the rudder and this should correct the yaw issues with the smaller R3. The pictures I saw brought the rudder up a little higher, above the windscreen...and sloped aft. It looked great and will be easy to do. I want this model to have a good chance of flying with out any yaw issues. The landing gear on 20cc size is problem enough, with out yaw issues because the rudder is over powered by the wheel fairings.
Soft Landings Always,
Bobby of Maui