15.Design.eg2

15.Design.eg2 - MEM425:AircraftDesign&Performance...

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MEM 425: Aircraft Design & Performance Design Example, Part II Dr. A. Yousuff Dept. MEM Drexel University
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Estimated data thus far Yousuff MEM 425 aircraft design 2 max max 2 2.34 14 29.3 / 14.3 / L C D W lb ft S lbhp P Also estimated: 0 2 ,0 5158 820 tank 145.5 176 0.017 0.075 7.07 0.8 362.5 f gal K AR hp (~7.6, by statistics)
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Configuration layout Draw to size: Use your Intuition Experience Art Basic issues: # of engines; tractor or pusher or both Low, mid, or high wing Tail configuration Landing gear Yousuff MEM 425 aircraft design 3
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Engine selection Power required.: 362.5 hp A single engine is available Textron Lycoming TIO/LTIO‐540‐V piston engine Power : 350 hp 6 cylinder, dry wt. 547 lb; Dimension (in inches): 53.21L,34.88W,24.44H Choose tractor configuration: Tractor: better longitudinal stability smaller tail Pusher: not so. Yousuff MEM 425 aircraft design 4
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Wing configuration Shape and location: Shape: Aspect ratio (estimated ~ 7.07)
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15.Design.eg2 - MEM425:AircraftDesign&Performance...

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