PowerPoint Presentation...Title PowerPoint Presentation Author Pennycuick Created Date 11/20/2013...
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How a bird works Colin Pennycuick University of Bristol
Transcript of PowerPoint Presentation...Title PowerPoint Presentation Author Pennycuick Created Date 11/20/2013...
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How a bird works Colin Pennycuick
University of Bristol
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Elbow
Wrist
Splayed tips
Primary
feathers
Secondary
feathers
Tail
Undercarriage
(water, land)
Engine
Navigation
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Speed Span Area Beta AR Cl
m/s m m2
8.6 0.67 0.063 1 6 1.3 60,000
12.4 0.57 0.85
22.1 0.25 0.0385 0.37 1.3 0.25 300,000
Re
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Energy height dep 381 249
Energy height arr 245 70
Energy height lost 136 179
L/D 11.2 7.8
White-fronted Goose Cessna 182
Goose
Cessna 182
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BIRD
Multiple spars
BAT
Segmented spar
PTEROSAUR
Single spar
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