曝光台 注意防骗
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moment with angle of attackis caused by various factors4t; such as 1) progression
ofthe stall over the wing, st,arting at the wingtips; 2) inboard movement of the wing
+
Z
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Deep-Stall Trim Point ┃
┃ Stall ┃
┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
┃ Pre-Stall\Tfim Point Ir \__j,__ ┃
┃ I /- ┃
┃ l/ ┃
┃ I ┃
┃ . ┃
┃ . ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
Fig 8.67 nlustration ofdeep stall.
STABILITY AND CONTROL PROBLEMS AT HIGH ANGLES OF ATTACK 739
and LEX vortices; 3) bursting of the forebody, LEX, and main wing vortices; and
4) immersion of the tail surfaces in the wake of the forebody, LEX, and the main
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动力机械和机身手册3(174)