Multirotor drones are significantly more popular than conventional helicopter designs for many reasons, which do not include efficiency. Making use of the aerodynamic effects behind this, [Nicholas ...

This paper by TSAW Drones discusses the need for less noise in UAVs, how these toroidals can benefit the drone industry, how these propellers came to be and how exactly they reduce the noise. Also, in ...

Vertical Take-Off and Landing (VTOL) drones typically have four horizontal propellers for moving up and down, along with a vertical rear "pusher" prop for moving forward in more efficient fixed-wing ...

A design that led to rapid development for the present concept is the Custer Channel Wing, a largely forgotten attempt to create ultra-short takeoff and landing (USTOL) airplanes nearly a century ago, ...

A diagram shows how an Amazon drone could land on a sloping surface while keeping its main frame level, thanks to telescoping landing legs. (Amazon Illustration via USPTO) Amazon’s inventors are ...

Multicopter drones are neat and everything, but they do make a high-pitched whine – just image how annoying the sound of a large passenger-carrying version might be. It was with this in mind that ...

Sharrow Marine propellers were met with skepticism when they first hit the scene. But Greg Sharrow convinced us. He related the backstory about the need to develop quieter, more efficient drone ...

DJI unveils the FlyCart 100 heavy-lift delivery drone with 80 kg payload, advanced safety systems, and faster charging.

Mohsen Bahmani is an Iranian-born mechanical engineer and a man with a dream. When he was just 17 years old, he made a pair of floating shoes that allow you to walk on water, which he sold for ...