5 ms·

Without altitude and temperature a Mach number is rather useless. (Depending on altitude the temperature and pressure changes which has an effect on the speed

by otto 16y ago

Without altitude and temperature a Mach number is rather useless. (Depending on altitude the temperature and pressure changes which has an effect on the speed of sound.) Also was this just the Mach experienced at the leading edge?

Nick_C 16y ago
>Without altitude and temperature a Mach number is rather useless Actually, no, it's the most important number. See http://womanpilot.com/?p=61 http://womanpilot.com/?p=61 (near the end) for why.