Measurements during transition near ground showing change in magnitude of vibration with increasing rotor speed; pulsative nature of vibration during vortex ring state and reduction in vibration with increasing yaw angle discussed.
Flight measurements of vibration experiences by tandem helicopter in transition, vortex-ring state, landing approach, and yawed flight
NACA -- Tech Note
1958
20 pages
Report
English
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Modeling of helicopter flight imitation in the vortex ring state
Online Contents | 2016
|Modeling of helicopter flight imitation in the vortex ring state
Springer Verlag | 2016
|Helicopter flight vibration problems
Engineering Index Backfile | 1955
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