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:
“Priests and physicians should never look one another in the face. They have no common ground, nor is there any to mediate between them. When the one comes, the other goes. They could not come together without laughter, or a significant silence, for the ones profession is a satire on the others, and eithers success would be the others failure.”
—Henry David Thoreau (18171862)