He runs these calculations not once, but hundreds of times to arrive at the best possible solution and to test the integrity of the new design in likely flight conditions. (sciencedaily.com)
While others sponsored innovation, the Wright brothers personally tried and tested hundreds of flight conditions, materials and prototypes to get a firsthand feel for their machines. (entrepreneur.com)
The question for the final months is if these positive illusions occur under flight conditions and / or can alleviate stress caused by experiencing turbulence in - flight? (sciencedaily.com)