I put the CG where the directions told me to. I power mine with a Saito 1.0 Its a good little 3D flyer, it lands nicely every time, almost three points in. Never had a bad landing or found it to be a floater. I normally put in a eye screw on the cg on the bottom of the plane to get an accurate CG on a low wing or mid wing plane. That way when you suspend a string or wire from the small eye bolt you can also balance side to side as well as front to back. My only complaint is it won't track on big maneuvers, say your flying a nice full cuban either or reverse cuban 8, it won't track as well as other planes with thinner wing thickness, yet this Twist is hard to stall, I can fly it so slow and so slow, nice plane for what it was designed for.