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Aerodynamic PrinciplesAerodynamic PrinciplesAerodynamic PrinciplesAerodynamic Principles For Professional PilotsFor Professional PilotsFor Professional PilotsFor Professional Pilots

Aircraft Technical Book Company, LLC http://www.ACTechbooks.com

Aerodynamic Principles for Professional PilotsAerodynamic Principles for Professional PilotsAerodynamic Principles for Professional PilotsAerodynamic Principles for Professional Pilots Page 3Page 3Page 3

INTRODUCTION

This book examines the principles of aerodynamics that apply primarily to flight technique issues. Unlike air-craft performance and design, where aerodynamic equa-tions provide numerical data, precision flying requires a thorough understanding of non-numerical aerodynamic principles. In the development of piloting skill, aerody-namic principles are applied qualitatively rather than quantitatively. While most technical books have many words and a few illustrations, most of the principles explained in this book utilize graphical means. Text comments are mainly used for introductory comments and the summarizing of critical points. Further applications of aerodynamic principles to flight technique issues can be found in a new book series which emphasizes the development of jet transport flight procedures. The new series expands the content of the Aeronautical Science academic text titled Flight Tech-nique Analysis for Professional Pilots and includes com-puterized demonstrations, tools and additional related sub-ject areas. The first book in the new series, Advanced Air-manship Book 1 Precision Flying, is currently available and the remaining two books are scheduled for release in 2011. Additional information on these new books and up-dated editions of Professor Les Kumpula’s current text books is available on the publisher’s web site: www.cchpublishing.com


Aerodynamic Principles for Professional PilotsAerodynamic Principles for Professional PilotsAerodynamic Principles for Professional PilotsAerodynamic Principles for Professional Pilots Page 5Page 5Page 5Page 5


Aerodynamic Principles for Professional PilotsAerodynamic Principles for Professional PilotsAerodynamic Principles for Professional PilotsAerodynamic Principles for Professional Pilots 9Page 69Page 69Page 69



Centrifugal force does not exist. The concept of cen-trifugal force throwing a body to the outside of a turn is not really a force at all. Rather, the tendency of a body to move to the outside of a turn is really its tendency to move in a straight line. For example, as you sit in a car while turning, the tendency of your body to move to the outside of the turn is really your body wanting to move in a straight line while external forces accelerate the car to the center of the circle. People tend to attribute this tendency to a force acting to-ward the outside of the turn, but in reality what is felt is the centripetal force caused by friction of the seat accelerating the body toward the center of the circle. In a banked aircraft, the horizontal component of the force pushing up on your body by the seat provides the centripetal force.



In the speed stable region, airspeed tends to remain constant with no pilot action required. In the neutral speed stability region, any airspeed deviation tends to remain unless the pilot changes thrust to return the speed to its original value. In the speed unstable region, airspeed is con-stantly deviating from the desired value and the pilot must continuously work to return the speed to the correct value.


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