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Investigations on the amount of downwash behind rectangular and elliptical wings (1936)

NASA Technical Reports Server (NTRS) · leaf 21

An illustration from Investigations on the amount of downwash behind rectangular and elliptical wings, 1936, leaf 21
ular Lift Dist. Over Span ^>\^^q^ . Values k'OftW to 0,636 pertain to fiat plates of aspect ratio f~gO; 1,5. 2,0i2,5}W).X 2ft 0,5 1J0 %5 Figure Theoretical downwash factors Figure 1#- Distri"bution of for different tip vortex vortices behind spacing* the wing* J30- JB- 6,0 Bp 100 IZp 1hp 2ft Figure… … Q9 -49 -tip -Q6 -Q5 -0,U -Q3 -0? -0,1 0,1 0,2 6,3 QU 0,5 0,6 Q7 Q$ Q9 Figure 6.- Rectangular wing; downwash factors for four transverse (lateral) axes*

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