Download this ebook to learn Aerodynamics of the Helicopter. This book is written by Alfred Gessow and Garry C. Myers, JR.

Contents of the book-

1. The Development of Rotating-Wing Aircraft.
2. An Introduction to the Helicopter
3. An Introduction to Hovering Theory
4. Hovering and Vertical-Flight Performance Analyses
5. Factors Affecting Hovering and Vertical-Flight Performance
6. Autorotation in Vertical Descent......and more

Downoad the book for more topics.