Minor historical correction: there were actually lots of wind tunnels by the 1920s. In fact the first wind tunnels started being made in the late 1800s. In fact the Wright brothers used a wind tunnel to develop their aircraft! Cheers from a fellow wind tunnel test engineer
Minor historical correction: there were actually lots of wind tunnels by the 1920s. In fact the first wind tunnels started being made in the late 1800s. In fact the Wright brothers used a wind tunnel to develop their aircraft! Cheers from a fellow wind tunnel test engineer