From:ladkin@TechFak.Uni-Bielefeld.DEDate:02 Jun 96 16:23:50References:1 2

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>P_stat = static pressure >Dynamic pressure, q, is 1/2 rho * V^2, where rho is density and V is the > true airspeed of the airplane. >Ptot = q + Pstat. > >So the airspeed, v, is roughly proportional to > Ptot - Pstat. Do you mean `sqrt(Ptot - Pstat)' ? P.