On Apr 16, 11:33 pm, Mxsmanic wrote:

Virtually no compression occurs at the speeds of a Cessna. Compression is
only an issue at high speeds. At low speeds, air behaves very much like an
imcompressible fluid.


Air does not behave very much like an imcompressible fluid at low air
speeds. Not even close.
Under some conditions, low air speeds is one of them, air can be
treated like it is an imcompressible fluid.
And that is only to simplify airflow calculations.

-Kees.