by Martin Hollmann
Tells how helicopters are designed. This book includes many diagrams on rotor heads and control systems and design specifications. This book includes a reprint of British Intelligence Objectives Sub-Committee Overall Report No. 8, Rotating Wing Activities in Germany During the Period 1939-1945. A copy of the Fifth Cierva Memorial Lecture given by Prof. Focke in England in 1964 is presented. And finally the Fllettner design is detailed. Learn the design details of the Fw 61, Fa 223 (the first heavy lift helicopter to be put into production), Fa 330, Flettner 282, Doblhoff, Hafner, Baumgartl, and others including the first tilt prop aircraft. A must for all helicopter designers and pilots.