If you make a purchase via links on this page we will earn commission – learn more Britain is set for a heatwave this weekend, and while we have been desperately wanting sunny days to arrive, the ...

The best window fans provide an energy-efficient way to cool and ventilate your home. See our top reversible, smart and dual picks.

Bonnaroo and the multiple-city Breakaway Festival series have teamed up with social impact-focused digital platform Propeller to raise awareness for important social causes via a fan-friendly ...

MIT recently announced its research on toroidal propellers to create quieter drones. That got [Major Hardware] thinking about noisy PC fans. The obvious solution was to adapt the toroidal shape for… ...

DETROIT-- (BUSINESS WIRE)--Today, Sharrow Marine, the industry leader in high-performance propeller design, announced that the Sharrow MX™ Propeller was selected as one of TIME's Best Inventions ...

Removing the housing allows the fan to be bigger still. A fan rather than a propeller (as on a turboprop aircraft) is used because aerodynamic effects cause propellers to lose efficiency at high ...

The best propeller-hull combination was tested for its performance by model scale tests: a 7.5% power reduction at the design speed was identified and the shaft rate of revolutions did not change.

A new machined boat propeller promises impressive increases in speed and fuel efficiency for everything from bass boats to tanker ships.

Greenheck’s Model AER sidewall fan is a direct-drive fan with a cast aluminum propeller. The AER model is available in four sizes: 20, 24, 30 and 36 inches.