Mach wave Mach wave In fluid dynamics, a Mach wave is a pressure wave traveling with the speed of sound caused by a slight change of pressure added to a compressible flow. These weak waves can combine in supersonic flow to become a shock wave if sufficient Mach waves are present at any location. Such a shock wave is called a Mach stem or Mach front. Thus, it is possible to have shockless compression or expansion in a supersonic flow by having the production of Mach waves sufficiently spaced ("cf." isentropic compression in supersonic flows). A Mach wave is the weak limit
Mach Five his crew, and with other racers. Functions are not activated by a steering wheel hub lettered A-G, but instead, by switches mounted around the steering wheel. The Mach 6 succeeded the Mach 5 as the main vehicle for the rest of the series. More of the original gadgets were gradually revealed (such as the sludge slick) and used in future episodes. Eventually, the Mach 5 returned as Speed Racer Sr.'s main car in the season 2 premiere. Mach Five The is the racing car Speed Racer (Go Mifune in the Japanese version) drives in the anime series of the same