Research Article
Aerodynamic Characteristics of Helicopter with Ducted Fan Tail Rotor in Hover under Low-Speed Crosswind
| | No. of blades | No. of airfoil | Rotor radius (m) | Solidity | Rotational speed (rpm) | |
| Main rotor | 5 | 3 (OAF2XX series) | 6.301 | 0.0972 | 342 | 0.66 | Tail rotor | 10 | 5 (OAF3XX series) | 0.546 | 0.548 | 3579 | 0.6 |
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