The well-known Piper J-3 Cub 120 Engine powered scale aircraft is one of the most recognized designs in aviation. The CMPro model features all balsa construction except for the fiberglass cowl. This results in a light but strong model. Wingspan 2310mm Length 1500mm Weight 5.3~5.4 kg Wing Loading 69~71 dm/2 Airfoil Naca 4412 Wing Area 76 d...