In this manner, tiltrotor aircraft combine the vertical lift capability of a helicopter with the speed and range of fixed-wing aircraft. Tiltrotor aircraft, however, typically suffer from downwash inefficiencies during vertical takeoff and landing due to interference caused by the fixed wing. A ...
117are positioned substantially horizontal to provide a forward thrust in which a lifting force is supplied by wing109. It should be appreciated that tiltrotor aircraft101can be operated such that proprotors115,117are selectively positioned between airplane mode and helicopter mode, which can be ...
412 SEE 212.Bell 427 (Bell-Textron)427 1999 = No data.Bell 430 [N43011] Bell-Textron)430 (TC H9SW) 1994 = 10pCH; 808hp Allison 250-C40; rotor: 48'0" length: 57'3" load: 3815# v: 173/160/0 range: 434 ceiling: 14,600'. Set helicopter around-the-world speed record in Sep...
The helicopter was hovering about 100 metres above the pad. 直升机在离发射台一百米的上空盘旋。 I'm hovering between the concert and the play tonight. 我犹豫不决今晚是听音乐会还是看戏。 238 poise vt./vi. 平衡,保持平衡;n.泰然自若,自信 参考例句: She hesitated briefly but quickly regaine...
a variety of helicopter configurations, and drones, among other examples. Moreover, it should be appreciated that even though aircraft are particularly well suited to implement embodiments of the present disclosure, the described embodiments can also be implemented using non-aircraft vehicles and devices...