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, ...

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 ...

There are few companies that produce a product or service that truly innovates in the realm of recreational boating. To be fair, powerboating is a mature activity, almost 200 years old. By now, it’s ...

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 ...

After debuting a number of new versions of its proprietary propeller in 2024, Sharrow Engineering has dedicated much of 2025 to expanding its US production base and operations. It moved into a new ...

No matter what you read or hear, there is still a fair bit of pseudoscience in propeller selection. Chasing the correct combination of speed and smoothness generated from a propeller can be an ...

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 ...

Controllable-pitch propellers have been developed and produced on the Baltic coast of Germany since 1962 – initially in Rostock, and then in Wismar from 1964. The first units were manufactured for 86 ...

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 ...