For more:
[ Ссылка ]
The world's first helicopter that can fly backward at 20 kilometers per hour has appeared at the ongoing China International Import Expo (CIIE). Developed by German company RotorSchmiede, the helicopter features dual coaxial main rotors that make it quieter, safer and more flexible.
The company is making its debut at CIIE. Apart from the engines, all other parts of the helicopters are manufactured in China.
Subscribe to us on YouTube: [ Ссылка ]
Download our APP on Apple Store (iOS): [ Ссылка ]
Download our APP on Google Play (Android): [ Ссылка ]
Ещё видео!