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
Mach Five 345 horsepower, and cost between $75,000 and $125,000 each. The Petersen Automotive Museum in Los Angeles, California has a mid-engine prototype of the Mach Fives in its collection. The Mach Five appears in the live-action film adaptation "Speed Racer", directed by the Wachowski brothers, produced by Joel Silver, and released by Warner Bros. Pictures. The Mach Five is an actual vehicle and used in the major race of the film. Instead of being driven on pavement, it was hung from a crane and had its effects computer-generated. Along with the Mach Five, the movie features the "Mach 4" and the