Da Vinci Reborn Episode 4: The Aerial Screw

What is the relationship between modern-day helicopters and something from the 16th century? In the fourth episode of our Da Vinci Reborn series, we examine the polymath's aerial screw, which is said to have inspired the working principle used in helicopters that are still used today! The design was developed by a community of designers brought together by the 3DEXPERIENCE Lab. Head here for more: 3dexperiencela...
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[@maskedmarvyl4774]

Why has there never been a small motorized version of this invention attempted, just to see if it would work?

[@TheBlackywo0d]

motor heavy lift too small