At that time [1909] the chief engineer was almost always the chief test pilot as well.
That had the fortunate result of eliminating poor engineering early in aviation.
Igor Sikorsky Flygpionjär
Välkommen
Välkommen till winters.n.nu.
At that time [1909] the chief engineer was almost always the chief test pilot as well.
That had the fortunate result of eliminating poor engineering early in aviation.
Igor Sikorsky Flygpionjär
Välkommen till winters.n.nu.