Significant Aircraft
While several nations experimented with contra-rotating propellers in aircraft, only the United Kingdom and Soviet Union produced them in large numbers. The first aircraft to be fitted with a contra-rotating propeller to fly though was in the US when two inventors from Ft Worth, Texas tested the concept on an aircraft.
Read more about this topic: Contra-rotating Propellers
Famous quotes containing the word significant:
“What seems to us serious, significant and important will, in future times, be forgotten or won’t seem important at all.”
—Anton Pavlovich Chekhov (1860–1904)