Secrets of Propeller Design

4th Edition "Secrets of Propeller Design". (ISBN# 0-9780586-0-7) The "Secrets of Propeller Design" book ("History & Design of Propellers") presents 80 pages & 75 photos/illustrations as a detailed accounting of propeller design history, how the first "screw" applications were invented, and how they led to early ship propulsion. Outlining "How a Propeller Works", parts and functions of a properly designed propeller, including material selection and "advanced propping" techniques, cupping, gearcase design and nosecone application is outlined. Speed prediction formulae and propeller selection methods. This is a "must have" book for serious boaters, designers and enthusiasts that have "a need to know".