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[quote][i]Originally posted by RichR[/i] my last word on this: Lift is equal to 1/2*p*S*(V^2)*Cl p is the pressure of the fluid in which the body is present - in the case of a P(atmospheric) = 1.25kg/m^3 S = frontal planform area Cl is the coefficient of lift V^2 is velocity of the body in my opinion of course; the plane will not achieve the necessary velocity of forward advance in relation to the groundplane to produce the necessary lift to take off twinned with the fact that, in my opinion and understanding of the question, there will be no forward motion, as the groundplane counteracts any forward motion there will be no airflow over the aerofoils and velocity of advance will be zero - as the above formula is a multiplication formula; if any component is zero - the product will be zero! [Edited on 24-05-2006 by LiVe LeE] [/quote]
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