5.8. A rectangular planform, untwisted wing of aspect ratio 11 is set at an aerodynamic incidence...

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5.8. A rectangular planform, untwisted wing of aspect ratio 11 is set at an aerodynamic incidence of 0.11 radians in straight and level flight. The aerofoil section used has a measured lift slope of 5.9 radian. Determine the direction of the local total velocity vector at the quarter-span location. The downwash velocity at the spanwise polar location q is given by: N v(0) == sine nAn sin no Employ a two-term solution to the fundamental wing equation, with 0 = and . (Answer: 0.84). aoo c An sin ne [sino + n] = ()sin where 4AR C 5.8. A rectangular planform, untwisted wing of aspect ratio 11 is set at an aerodynamic incidence of 0.11 radians in straight and level flight. The aerofoil section used has a measured lift slope of 5.9 radian. Determine the direction of the local total velocity vector at the quarter-span location. The downwash velocity at the spanwise polar location q is given by: N v(0) == sine nAn sin no Employ a two-term solution to the fundamental wing equation, with 0 = and . (Answer: 0.84). aoo c An sin ne [sino + n] = ()sin where 4AR C