SmartInversion: helium-filled flying object that moves through the air by turning inside-out

SmartInversion is a helium-filled flying object that moves through the air by turning inside-out. This constant, rhythmically pulsating movement is known as inversion and gives the flight model its name. Further information: http://www.festo.com/en/smartinversion SmartInversion ist ein mit Helium gefülltes Flugobjekt, das sich durch seine eigene Umstülpung fortbewegt.

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From the Festo web site:

SmartInversion is a helium-filled flying object that moves through the air by turning inside-out. This constant, rhythmically pulsating movement is known as inversion and gives the flight model its name. With the intelligent combination of extreme lightweight construction, electric drive units and control and regulation technology, inversion kinematics can be indefinitely maintained to produce motion through the air.