Originally Posted by ajbaker
Something doesn't make sense to me. What CG are you using?
I shakes out between 60 and 65mm. I have to add that I have a 2836 inrunner in the nacelle and swapped the tail control rods to heavier Dubros, both of which add aft weight. I have found that a CG approaching 70mm or even further aft makes for some lousy pitch stability and is not suitable for a good flying model.