Found and Explained Official on MSN

How Italy built the fastest seaplane in history

The Macchi-Castoldi MC.72 was built to restore Italian prestige after Britain dominated the Schneider Trophy seaplane races.
Precious Metal is a staple of the air racing community. The highly modified P-51's striking yellow and polished paint job and its contra-rotating propellers are features that make it stand out, but ...
While the world rushed into the Jet Age, the Soviet Union took a different path. The Tupolev Tu-95 used massive contra-rotating propellers to achieve astonishing speeds, creating one of the most ...
Steerprop will deliver its new Contra-Rotating Propeller (CRP) azimuth propulsions to Lloyd Werft Bremerhaven GmbH for a new research vessel being built for the German Aerospace Center (DLR).