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 ...

The Russian Tu-95 'Bear' isn't just a relic of the Cold War, with the potential for a nuclear payload capable of untold devastation. It's eight contra-rotating propellers also enable to it hold the ...

Marine propulsion research & development company, Contrapel Ltd has released details of its new propulsion system for boats – the system set to make future boats more economical, manoeuvrable, safer, ...

Key Points - The Tupolev Tu-95 "Bear," a Soviet-era strategic bomber introduced in 1956, remains a cornerstone of Russian long-range aviation. -Unique for its four powerful Kuznetsov NK-12 turboprop ...

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 ...