NO KNOWN SEA-CREATURE uses propellers. Perhaps that is because they are too difficult to evolve from existing animal body plans. Or perhaps it is because they are not particularly good at doing what ...

By using two propellers that rotate in opposite directions, a ship can use less energy to move forward. New knowledge means ...

Props for your little RC airplane or drone are effectively consumables. They’re made of plastic, they’re cheap, and you’re going to break a lot of them. When you start swinging something larger than ...

Despite being integral to aviation for more than a century, propellers have changed remarkably little since the Wright Brothers. A team at MIT’s Lincoln Lab has developed a new propeller shape that ...

Solar Impulse 2, the plane powered only by the sun, has dominated the electric aircraft news cycle recently, starting its 5-month, 20,000-mile journey around the world this month. But they're not the ...

If you've ever visited a World War II museum and seen some of the dummy bombs on display, you may have noticed a distinct, unusual characteristic on some of them. Some of these bombs possessed tiny ...

Forbes contributors publish independent expert analyses and insights. Writing about vertical flight aircraft & advanced aviation technology. The EHang 184 electric VTOL aircraft has two ...

Research sponsored by NASA has indicated that there is a significant potential for fuel savings from advanced propellers designed for lower speed general aviation (G.A.) aircraft as well as the ...

These strangely-shaped twisted-loop propellers look like a revolutionary (sorry) advance for the aviation and marine sectors. Radically quieter than traditional propellers in both air and water, ...

WHEN A MODIFIED MD-80 airliner flew at the 1988 Farnborough air show in Britain, it was supposed to represent the future of air travel. One of its rear-mounted jet engines had been replaced with an ...