The 19-m (62-ft), 30-kW, contra-rotating vertical-axis turbine is a prototype of a design that could scale to unprecedented size and power. Most wind turbines look like a propeller on a stick – which ...
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).
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