Matches in DBpedia 2016-04 for { ?s ?p "A rotor wing is a lifting rotor or wing which spins to provide aerodynamic lift. In general, a rotor may spin about an axis which is aligned substantially vertically, fore-and aft, or side to side (spanwise). All three classes have been studied for use as lifting rotors, although only vertical-axis rotorcraft such as the helicopter have come into common use.Some types provide lift at zero forward airspeed, allowing for vertical takeoff and landing (VTOL), as in the helicopter. Others require forward airspeed in the same manner as a fixed-wing aircraft. Many can also provide forward thrust if required."@en }
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- Rotor_wing abstract "A rotor wing is a lifting rotor or wing which spins to provide aerodynamic lift. In general, a rotor may spin about an axis which is aligned substantially vertically, fore-and aft, or side to side (spanwise). All three classes have been studied for use as lifting rotors, although only vertical-axis rotorcraft such as the helicopter have come into common use.Some types provide lift at zero forward airspeed, allowing for vertical takeoff and landing (VTOL), as in the helicopter. Others require forward airspeed in the same manner as a fixed-wing aircraft. Many can also provide forward thrust if required.".
- Q18391225 abstract "A rotor wing is a lifting rotor or wing which spins to provide aerodynamic lift. In general, a rotor may spin about an axis which is aligned substantially vertically, fore-and aft, or side to side (spanwise). All three classes have been studied for use as lifting rotors, although only vertical-axis rotorcraft such as the helicopter have come into common use.Some types provide lift at zero forward airspeed, allowing for vertical takeoff and landing (VTOL), as in the helicopter. Others require forward airspeed in the same manner as a fixed-wing aircraft. Many can also provide forward thrust if required.".