When we first reported on Mingyang’s OceanX, it was already causing a bit of a stir thanks to its dual-rotor design. Now, it has launched from its building site at Guangzhou, China and is heading ...

AMES, Iowa – Hui Hu picked up a 3-D printed model of a typical wind turbine and began explaining two problems with the big, tall, three-bladed machines. First, said the Iowa State University professor ...

An Australian company has shared video of the first test flight of its electric-powered backpack helicopter. Unlike gas-fueled jetpacks, the CopterPack appears to uses battery power to propel the ...

More power in a smaller package for less money is the promise for an unusual type of wind turbine with two rotors arranged in tandem. Easier component transport, handling and assembly are benefits on ...

Aerospace engineers are developing dual-rotor technology to improve the energy harvest of wind turbines. The idea to look for better performance by adding a second rotor to wind turbines came from a ...

When it comes to hobby rotorcraft, it almost seems like the more rotors, the better. Quadcopters, hexacopters, and octocopters we’ve seen, and there’s probably a dodecacopter buzzing around out there ...