NASA Flight Tests Advance Research for Flexible Twistable Wing Flaps for Impoved Aerodynamic Efficiency https://www.nasa.gov/centers-and-facilities/armstrong/nasa-flight-tests-advance-research-of-flexible-twistable-wing-flaps-for-improved-aerodynamic-efficiency/
NASA Flight Tests Advance Research for Flexible Twistable Wing Flaps for Impoved Aerodynamic Efficiency
Initial flight-testing of the ACTE followed extensive wind tunnel experiments.