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An autogyro (from Greek αὐτός and γύρος, "self-turning"), gyroplane or gyrocopter, is a class of rotorcraft that uses an unpowered rotor in free autorotation to develop lift. A gyroplane "means a rotorcraft whose rotors are not engine-driven, except for initial starting, but are made to rotate by action of the air when the rotorcraft is moving; and whose…
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| the Air | instance of | A few types | 0.80 | text |
| aluminium | instance of | Gyroplane rotor blades are made from other materials | 0.80 | text |
| GRP-based composite | instance of | Gyroplane rotor blades are made from other materials | 0.80 | text |
| Autogyro | related to 21st-century development and use | In | 0.60 | section |
| Autogyro | related to 21st-century development and use | Groen Brothers Aviation's Hawk | 0.60 | section |
| Autogyro | related to 21st-century development and use | Winter Olympics | 0.60 | section |
| Autogyro | related to 21st-century development and use | Paralympics | 0.60 | section |
| Autogyro | related to 21st-century development and use | Salt Lake City | 0.60 | section |
| Autogyro | related to 21st-century development and use | Utah | 0.60 | section |
| Autogyro | related to 21st-century development and use | The | 0.60 | section |
| Autogyro | related to 21st-century development and use | Worldwide | 0.60 | section |
| Autogyro | related to 21st-century development and use | Tomball | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
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