sharrow

Sharrow Engineering has dedicated much of 2025 to expanding its US production base for its innovative looped propellers. At the same time, it's putting resources into jumpstarting the next era of technological breakthroughs.

Sharrow Marine has been working to disrupt the marine industry with a reimagined propeller it calls the "future of propulsion." That future should come a little faster with the launch of the new MX-A, a more affordable, small outboard-friendly prop.

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 promises to be even more energy-efficient.

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, they're also showing some huge efficiency gains.