Page 6 - Understanding Flight
P. 6
FM_Anderson 11/14/00 12:40 PM Page vi
vi CONTENTS
The wing’s efficiency for lift 42
The physics of efficiency 44
Lift requires power 45
Wing vortices 46
Circulation 48
Flight of insects 51
Ground effect 51
Wrapping it up 54
Wings 57
3 Airfoil selection 57
Wing incidence and camber 58
Wing thickness 58
Leading edge 59
Wing planforms 61
Wing loading 62
Aspect ratio 62
Sweep 65
Taper 66
Twist 70
Wing configuration 71
Dihedral 71
High wings vs. low wings 73
Cowling saves the Boeing 737 75
Wingtip designs 76
Winglets 77
Canards 78
Boundary-layer turbulence 80
Ice on a wing 81
Boundary-layer turbulence 82
Form drag 84
The golf ball 85
Vortex generators 85
High-lift devices 87
Flaps 88
Slots and slates 91
Deflected slipstream and jet wash 92
Wrapping it up 93
Stability and Control 97
4 Static stability 98
Longitudinal stability 98
Stability of a symmetric wing 99
Balance 100
The horizontal stabilizer 100
