CONTENTS 

 PART I. LONGITUDINAL MOTION page 



§1. Introduction and Conclusions I 



§2. Type Design 6 



§3. Model 7 



§4. Wing Coefficients 7 



§S. Longitudinal Balance 12 



§6. Vector Representation 16 



§7. Performance Curves 17 



§8. Axes and Notation 18 



§9. Equilibrium Conditions and Dynamical Equations of Motion 20 



§10. Conversion to Moving Axes, Longitudinal Data 25 



§11. Resistance Derivatives, Longitudinal 30 



§12. Damping 31 



§13. Oscillations in Pitch ^^ 



§14. Longitudinal Stability, Dynamical 35 



§15. Conclusions (Longitudinal Dynamical Stability) 43 



PART II. LATERAL MOTION 



§1. Lateral or Asymmetrical Tests 45 



§2. Lateral Resistance Derivatives 52 



§3. Rolling Moment due to Yawing 53 



§4. Yavi^ing Moment due to Rolling 55 



§5.* Damping of Roll 57 



§6. Damping of Yaw 59 



§7. Neglected Coefficients 62 



§8. Independence of Longitudinal and Lateral Motion 62 



§9. Lateral Stability, Dynamical 64 



§10. Character of Lateral Motion 66 



§11. The "Spiral Dive" 68 



§12. Rolling 70 



§13. The " Dutch Roll " 71 



§14. Comparison with other Aeroplanes 75 



