NLL Verslagen en verhandelingen XVIII - 1953. A.1205. The field of flow through a helicopter rotor obtained from windtunnel smoke tests. NLL Verslagen en verhandelingen XVIII - 1953. V.1535. Airflow through helicopter-rotors in vertical flight. V-22 Osprey Bell-Boeing Tilt-Rotor rotor blade, part of Deel van rotorblad, tip kant Deel van rotor blad Tip, rotorblad Rotorblad Box rotor blade Alouette III Hub, main rotor Hiller OH-23C Tail rotor guard Alouette III Rotor tandwielkast Alouette III