That leads to the most basic design trade-offs to be made: strength versus weight, a fundamental design challenge for all aircraft. For scale models, part of this trade-off requires decisions ...

Jul 28, 2017 Jul 28, 2017 Updated Jul 29, 2017 At just 9 years old, Karsen Gradille is the youngest flyer of the Santa Maria-based Tri-Valley RC Modelers, which builds and flies model airplanes ...

Special aeroelastic models, built to imitate the flexibility and mass distribution of the full-scale airplane, test susceptibility to destructive flutter. Even noise comes in for wind tunnel ...