• BarqsHasBite@lemmy.ca
    link
    fedilink
    arrow-up
    0
    ·
    edit-2
    1 year ago

    Do they actually calculate mach that way when they say a plane can go mach 3? Or do they just use the speed of sound at 1 atm?

    • IDatedSuccubi@lemmy.world
      link
      fedilink
      arrow-up
      2
      ·
      1 year ago

      It is calculated according to the speed of sound at the altitude you’re in, and measured using a difference of pressure in the pitot tube.