New features for the industry-standard resistance and propulsion software, HydroComp's NavCad. Many contemporary marine vehicles are being outfitted with contra-rotating propellers (CRP), and naval ...

Serious engineering work on contra-rotating open rotors for aircraft propulsion dates back to the late 1940s, particularly as a means to enhance fuel efficiency and extend the endurance of long-range ...

During World War II, Daimler-Benz explored an unconventional fighter concept built around a massive experimental V16 engine. Instead of placing the propeller at the nose or tail, the design mounted ...