whirlybird

1. An aircraft without wings that obtains its lift from the rotation of overhead blades (synset 103517291)
   is a type of: heavier-than-air craft - a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it
   subtypes:

   • cargo helicopter - a helicopter that carries cargo
   • shuttle helicopter - a helicopter that shuttles back and forth
   • single-rotor helicopter - a helicopter having a single rotor
   • skyhook - helicopter carrying a reel of steel cable that can be used to lift and transport heavy objects
   has:

   • blade, vane - flat surface that rotates and pushes against air or water
   • landing skid - one of two parts of the landing gear of a helicopter
   • rotor - rotating mechanism consisting of an assembly of rotating airfoils
   same as: chopper, eggbeater, helicopter

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