Re: air speed measurement above mach 1



Raul Ferreira <1@xxxxx> wrote:

> What air speed would an observer (like a fighter pilot) measure if he
> is already above the air speed barrier?

There is no such thing as an "speed barrier".

> Could he possibly measure that speed at all?

With the air speed indicator hooked to the pitot tube.

> With what?
> By the same manner that air speed is measured by an observer at rest?

An observer at rest WRT the air has zero air speed.

http://travel.howstuffworks.com/question597.htm

http://www.grc.nasa.gov/WWW/K-12/airplane/pitot.html

http://www.allstar.fiu.edu/aero/PSSI.htm

--
Jim Pennino

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