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Why do airplanes use Mach instead of km to describe speed?
Unlike kilometers or miles, Mach is measured in terms of the speed of sound. So why do planes choose Mach instead of the usual kilometers?
Mach Speed
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Articles about Mach Speed
3 published items.
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Chinese hypersonic aircraft prototype reaches Mach 6 speed
Chinese scientists have launched a hypersonic aircraft with a particularly massive fuselage, reaching speeds fast enough to travel between Beijing and New York in two ho…
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Engine helps the plane reach Mach 6 speed
Venus Aerospace's integrated ramjet engine with rotary detonation rocket motor can push the aircraft to speeds of more than 7,400km/h.