Sharrow's extraordinary looped propellers were already some 30% more efficient than traditional designs – and now the company has put two of them together into a coaxial, contra-rotating prop that ...

At the very crux of engineering is the desire to problem-solve, optimize, and squeeze out every bit of efficiency possible from the system being built. Aircraft design and aeronautical engineering ...

Images surfaced a while back of a new helicopter-jet hybrid from the Kamov helicopter company. Kamov previously designed the highly capable KA-50 and 52 families, both of which are robust, sturdy ...

Key Point: Moscow is trying to ensure its military in on the cutting-edge. Can a new helicopter help them do that? Images surfaced a while back of a new helicopter-jet hybrid from the Kamov helicopter ...