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== Explanation == | == Explanation == | ||
Mach tuck is a condition experienced by an [[aircraft]] in a transonic flight, exclusively when it accelerates upon reaching the [[critical Mach number]]. Accelerating beyond this limit results in the [[shock wave|shock waves]] over the wings to get stronger and move aft. The [[center of pressure]] C<sub>p</sub> moves aft as well, along with the lift component. This induces a pitch down moment caused by the couple, center of pressure and center of gravity, on the aircraft. If the downwash velocity decreases, this would also contribute to the pitch down moment. The result is that the nose pitches down and the aircraft goes into an extreme dive. | Mach tuck is a condition experienced by an [[aircraft]] in a transonic flight, exclusively when it accelerates upon reaching the [[critical Mach number]]. Accelerating beyond this limit results in the [[shock wave|shock waves]] over the wings to get stronger and move aft. The [[center of pressure]] C<sub>p</sub> moves aft as well, along with the lift component. This induces a pitch down moment caused by the couple, center of pressure and center of gravity, on the aircraft. If the downwash velocity decreases, this would also contribute to the pitch down moment. The result is that the nose pitches down and the aircraft goes into an extreme dive. | ||