Mach tuck the speed of sound and control authority both increase. To prevent Mach stall from progressing, the pilot should keep the airspeed below the type's critical Mach number by reducing throttle, extending speed brakes, and if possible, extending the landing gear. A number of design techniques are used to counter the effects of Mach tuck. On both conventional tailplane and canard foreplane configurations, the horizontal stabiliser may be made large and powerful enough to correct the large trim changes associated with Mach tuck. In place of the conventional elevator control surface, the whole stabiliser may be made moveable or "all-flying", sometimes
Alexander Mach Alexander Mach Alexander Mach (11 October 1902 in Slovenský Meder (today Palárikovo) – 15 October 1980 in Bratislava) was a Slovak nationalist politician. Mach was associated with the far right wing of Slovak nationalism and became noted for his strong support of Nazism and Germany. Mach joined the Slovak People's Party at an early age and came to prominence within that movement as an aide to Vojtech Tuka. Under Tuka's tutelage Mach served as editor of the party organs "Slovak" and "Slovenska Pravda" and was appointed to the party's political committee in 1924. He belonged to the non-clerical wing of