The testimony pointed to a paradox of airplane design.
That gave him a consumer's perspective on airplane design.
In the Soviet system the airplane designs of the design offices would compete to see which was the best.
The root of today's air travel problem is a combination of airline deregulation and airplane design.
But with only three or four potential customers for many avionics products, competition is fierce and each new airplane design critical.
Roskam has written eleven books on airplane design and flight dynamics.
The board also recommended that new airplane designs include making the tank atmosphere inert.
Imagine an airplane design so radical that it gets 50% to 70% better fuel economy than today's passenger jets.
The young Bereznyak had made an impression in 1938 with a high-speed airplane design that some thought could break the world speed record.
On January 7, 1943, he was awarded Patent 42395 for his small flying wing airplane design.