The blade tip speed limit of a propeller plane's propeller can determine the plane's top speed for reasons relating to design ...

John Ericsson believed the sun's power could make nations wealthy without fossil fuels. The American Swedish Historical Museum houses his prototype.

Scientists tested a 500-year-old flying machine design by Leonardo da Vinci using computers and found it could make today's ...

A kind of helicopter design first envisioned by the Renaissance-era Italian polymath Leonardo Da Vinci could help develop quieter and stealthier modern drones, according to a new study. Drones produce ...

Researchers theorised that propellers made similar to Leonardo’s design, with a screw-like shape and a single blade, can spread those air vortices around and mute the sound.

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The carbon fiber composite Outlaw is the latest Hartzell propeller to be added to the Top Prop Conversion Program.

A nosewheel bushplane like the ClubCrafters NxCub safely opens the door to backcountry flying for more pilots. [Credit: Jon ...

Lighter, more efficient, and officially named by the aviation community, the new two-blade composite propeller is set to ...

I've picked out the very best lightsabers credits can buy this Amazon Prime Day — it's a selection to make General Grievous jealous.