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#11
June 23rd 05, 04:54 AM
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wrote in message ... Dale wrote: I fly VG equipped 206s and there is no change in Va. Oh, contraire! Va is a mathematical number, based on Vs0... stall speed (Va = Vs0 * 1.9?). When flying at Va (or below), at max gross weight, the aircraft WILL stall before it bends. Just a minor nit. The wing will stall at the same time it reaches the load limit IF the wing is evenly loaded (ailerons neutral). If ailerons are not neutral, the wing with the down aileron will be under a higher load and will exceed the load limit before stalling. This is probably how the fighter-pilot-for-a-day schools manage to break the T34s. As the pilots flying the Airbus where the tail came off learned, there a lot of qualifiers to the protection offered by Va. At Va it is still possible to exceed the load limit if a strong enought gust is encountered primarily because the gust increases IAS. There have been gusts in excess of 80fps experienced in thunderstorms and also in mountain wave rotors under exceptional circumstances. Mike MU-2 
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#12
June 30th 05, 11:14 PM
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Mike is ABSOLUTELY correct.
Jer/ Mike Rapoport wrote: wrote in message ... Dale wrote: I fly VG equipped 206s and there is no change in Va. Oh, contraire! Va is a mathematical number, based on Vs0... stall speed (Va = Vs0 * 1.9?). When flying at Va (or below), at max gross weight, the aircraft WILL stall before it bends. Just a minor nit. The wing will stall at the same time it reaches the load limit IF the wing is evenly loaded (ailerons neutral). If ailerons are not neutral, the wing with the down aileron will be under a higher load and will exceed the load limit before stalling. This is probably how the fighter-pilot-for-a-day schools manage to break the T34s. As the pilots flying the Airbus where the tail came off learned, there a lot of qualifiers to the protection offered by Va. At Va it is still possible to exceed the load limit if a strong enought gust is encountered primarily because the gust increases IAS. There have been gusts in excess of 80fps experienced in thunderstorms and also in mountain wave rotors under exceptional circumstances. Mike MU-2
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