Air-ray, modelled on the manta ray, is a remote-controlled hybrid construction consisting of a helium-filled ballonet and a beating wing drive. Its lightweight design enables it to “swim” in the sea of air using the lift from the helium in a similar way to the manta ray in water.

 

 

 

Technical application:

 

 

Bionic application:

Further description:

http://www.festo.com/cms/en_corp/9789_10409.htm

Physical effects applied:

Video:

Contact:

http://www.festo.com/cms/en_corp/9617.htm

Sources:

http://www.festo.com/cms/en_corp/9789_10409.htm

Picture-sources:

http://www.karibikreisen.com/Tobago/paket/29/Im%20Garten%20der%20Mantas.html