Flying Manta
10 Jun
The German industrial conglomerate Festo created a remote-controlled flying device modeled on the Manta Ray. The Air-Ray basically a helium-filled ballonet in the shape of a manta, but what separates this from a typical party balloon is that propulsion is achieved by a beating wing. It literally “swims” in a sea of air. Take a look at how graceful it moves in the video below.
They need to stick to Industrial pneumatic and electric drive technology .