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 new contra-rotating version Sharrow’s earlier propeller design (a finalist in the 2023 Innovation by Design awards) rotated the blades go in a single direction.

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 ...

Fine piece of machinery. Here's an interesting footage filmed form inside a Russian Tu-95 Bear bomber like the ones that skirt northern Europe's airspaces every now and then. Although it does not ...

This, along with the contra-rotating propellers, helps the DF300B achieve quick acceleration and higher fuel efficiency at cruising speeds, as well as at the top of the rpm range. The two-gear ...

The D-Dalus vehicle uses four contra-rotating turbines for propulsion, each reaching 2,200 rpm. Each turbine blade has a variable angle of attack, ...

Wärtsilä, ship power system integrator, and IHI Marine United Inc. (IHIMU) of Japan, have concluded a co-operation agreement. Under the agreement, Contra-Rotating Propeller (CRP) systems ...