Originally Posted by pineteam
(Post 10943530)
Hi Vilas,
Care to explain please? Why with the lever position between flaps 3 and Full will change the gain control if the flaps or slats are stuck? Thanks. The lateral control laws applied by the flight control computers correspond to the actual positions of the slats and flaps (para 1.6.4). During the event, the gains and kinematics corresponding to the Config FULL were not selected due to the fact that the slats were retracted.3.1.20 In this incident, flaps were locked at Config FULL (40°) while the FLAPS lever was set at Config 3 for the second approach, Config 1 for the third and Config 3 for the fourth approach (paras 2.4.6 and 2.4.7). The lateral control law was not optimised in these configurations and was liable to generate, in turbulent conditions, lateral oscillations when the autopilot was engaged and to increase the lateral sensitivity in roll when the aircraft was being manually flown. |
Originally Posted by vilas
(Post 10943578)
The control laws act according to actual slat and flap position..
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Originally Posted by pineteam
(Post 10943613)
What's the difference between Flaps 3 and flaps full for the control laws?
The Kinematics figure shows that a 5°/sec side-stick demand in Config Full results in aileron and spoiler deflection of approximately 11.5° and 3°respectively. The same side-stick demand in Config 3 results in deflections of 18° and 8° respectively. Clearly the aircraft is more sensitive to controling inputs in Config 3 than in Config FULL. |
Interesting facts!! Thank you again!!
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