Center of Gravity Basics – The secret to a plane that flies well

Editor’s note: Please note that these techniques are good for close estimations and will get your model balanced in the ballpark well within the proper CG range so that it is safe to test-fly. We’re not taking into account unusual configurations or lifting tail surfaces. It happens too often, unfortunately: Someone with a brand new airplane shows up at the field and has everything working perfectly. The radio checks out, and all the controls move...