## Understanding FlightThe simplest, most intuitive book on the toughest lessons of flight--addresses the science of flying in terms, explanations, and illustrations that make sense to those who most need to understand: those who fly. Debunks long-rooted misconceptions and offers a clear, minimal-math presentation that starts with how airplanes fly and goes on to clarify a diverse range of topics, such as design, propulsion, performance, high-speed flight, and flight testing. Not-to-be missed insights for pilots, instructors, flight students, aeronautical engineering students, and flight enthusiasts. |

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It will answer your questions. Resulting in understanding, rather than a mathematical treatment.

### Contents

1 | |

8 | |

14 | |

21 | |

Does the earth support the airplane? | 28 |

Putting it all together | 34 |

Drag | 41 |

Wings | 57 |

Power | 120 |

The turbojet | 138 |

Lift is still a reaction force | 151 |

Hypersonic flight | 165 |

Airplane performance | 171 |

Takeoff performance | 178 |

Ceiling | 184 |

Turns | 192 |

Wing configuration | 71 |

Boundarylayer turbulence | 82 |

Wrapping it up | 94 |

Directional stability | 107 |

Wrapping it up | 199 |

Misapplications of Bernoullis principle | 229 |

Index | 235 |

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### Common terms and phrases

acceleration aerodynamic air density air diverted aircraft airflow airfoil airplane airplane's altitude amount of air angle of attack aspect ratio wing blades Boeing boundary layer camber center of gravity center of lift Cessna Coanda effect compressor cruise speed decreases description of lift downwash effect efficiency engine power faster fighter flap flight testing flow force form drag fuselage glide horizontal stabilizer hypersonic increase indicated airspeed induced power jet engine kinetic energy km/h leading edge Mach number mi/h Newton's normal shock wave parasitic power percent performance Photo courtesy pilot Pitot tube power required propeller propulsive power reduced rotation shock wave shown in Figure speed cubed speed of sound stall speed static pressure straight-and-level flight subsonic supersonic wind tunnel surface takeoff distance temperature test section thrust trailing edge transonic tube turbine turn understanding upwash venturi vertical velocity vortex wave drag weight wing is proportional wing loading wingtip

### Popular passages

Page 118 - Newton's third law states that for every action there is an equal and opposite reaction.

Page 19 - Newton's first law states that a body at rest will remain at rest and a body in motion will move at a constant speed in a straight line unless acted , upon by a force . a.

Page 231 - This pressure q is defined by its kinetic energy, q = \pV2, where p is the density of the air and V is its velocity.

Page 36 - It is equal to the rate at which energy is transferred to the air to produce lift.

Page 22 - From Newton's third law we know that there must be an equal and opposite force acting on the glass.

Page 232 - Newton's third law says that an equal and opposite force is exerted on the paper.

Page 29 - We have said that the lift of a wing is proportional to the amount of air diverted per time, times the vertical velocity of that air.

Page 157 - This topic has been covered in Chapter 2 and will not be repeated here. However...