When it comes to inventions "prompted" by our smaller brothers, associations with geckos usually arise. However, researchers at Lund University (Sweden), led by Associate Professor Christopher Johansson, drew attention to the eared brown bat in order to improve the design of unmanned aerial vehicles.
For the experiment, scientists placed bats in a wind tunnel filled with light smoke and illuminated by a laser, which made it possible to better see the movement of air currents during flight. The flight speed was up to 5 m / s.
It was found that the wings of animals act similarly to the wings of an airplane - they create lift, even during slow flight. To do this, bats have to spread their wings wide at the end of each beat.
This particular way of generating power will help create new aerodynamic control mechanisms for unmanned aerial vehicles, Johansson said.