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 wate
r.
Technical application:
Bionic application:
Further description:
http://www.festo.com/cms/en_corp/9789_10409.htm
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