Tests on airplane fuselages, floats and hulls (1927)
NASA Technical Reports Server (NTRS) · leaf 4
THE DRAG EQUATION S=KV" The average value of the exponent so found is n =1.90. "While this strictly'applies to the velocity only, it may be assumed for variation in length also. The drag equation may there- fore be written as D = ZD(F7)1-9 (4) where KD is a constant for each model. It will probably… … O.GO ' O 5 10 15 20 25 r 30 35 40 -45 Sca/e ratio, Si* Fig. 2.—Drag correction factors for fuselages, hulls, floats, etc. Based on the assumption that D cc !''-*> D,=K,Di Where Dt=Drag at and X».=Dragat ViU In converting model data to full scale values, any length on the model such as maximum…
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
