Talk:Machmeter

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True airspeed[edit]

Doesn't a mach number represent indicated airspeed over speed of sound? Seeing as how speed of sound is already a function of pressure, and true airspeed is also a function of pressure, by calling it "true airspeed over speed of sound", you're effectively dividing by static pressure twice. moeburn (talk) 03:37, 29 March 2016 (UTC)