The contra-rotating propeller is an already-efficient platform for Sharrow's twisty looped blades to call home, dating back over a century in aircraft and over four decades in maritime vessels ...

The Tupolev Tu-95 “Bear,” a Soviet-era strategic bomber introduced in 1956, remains a cornerstone of Russian long-range ...

The the new CX propeller, now available for pre-order, has two sets of blades that go in opposite directions. Other contra-rotating propellers both for marine and aeronautics applications exist ...

The company’s first attempt at integrating the new design resulted in the XB-42 “Mixmaster”—an experimental military bomber with twin contra-rotating propellers mounted to a common drive ...

Each of its four Allison T40-A-10 engines comprised two smaller jet power sections mounted side by side, and geared to a set of contra-rotating propellers. The 5,500-shaft-horsepower T40 was ...