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Forum: Tech Log

13th Apr 2010, 02:49

Replies: 21

Lower Speed versus Higher Optimum Altitude

Views: 4,863

Posted By john_tullamarine

.. pass, friend ... :)

.. pass, friend ... :)

Forum: Tech Log

13th Apr 2010, 00:20

Replies: 21

Lower Speed versus Higher Optimum Altitude

Views: 4,863

Posted By john_tullamarine

but not Mach which is a function of pressure...

but not Mach which is a function of pressure height

.. and CAS. Hence we need speed and height to figure out Mach.

M = (5((qc/ps+1)^0.286-1))^0.5

is a typical sort of equation one finds...

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