Dave Gerr (rhymes with “bear”) is a naval architect who designs both yachts and commercial vessels. Gerr Marine has been in business since 1983 and has designed everything from dinghies to 60-foot around-the-world racing sailboats, an 82-foot aluminum voyaging motoryacht, and currently, redesign work on the U.S. Navy’s nuclear submarines. Gerr is a contributing editor with Boatbuilder, Yachting, and Offshore magazines. HOMETOWN: New York, NY

• AcknowledgmentsIntroductionChapter 1. Power: Understanding Engine PerformanceChapter 2. Estimating Speed: Effects of Power, Weight, and Hull TypeChapter 3. Propeller Anatomy: Parts and DefinitionsChapter 4. Blade Characteristics: Blade Shape, Cavitation, Special Propellers, and Rules of ThumbChapter 5. Crouch's Propeller Method: The Empirical Method for Calculating Propellers Using SlipChapter 6. The Bp- Method: The Power Factor Method for Calculating PropellersChapter 7. Installation Considerations: Blade Clearances, Shafting, and Propeller WeightChapter 8. Tugs and Trawlers: High-Thrust, Variable-Loading, Controllable Pitch, and Ducted PropellersChapter 9. Sailboats, Outboards, and Go-Fast Wrinkles: Propellers for Special ApplicationsAppendix A. Measuring the Hull: Procedure for Determining DisplacementAppendix B. Measuring the Propeller: Procedure for Finding Diameter and PitchAppendix C. Shaft Taper and Coupling DimensionsAppendix D. Decimal ExponentsManufacturers and SuppliersBibliographyIndex

Dave Gerr (rhymes with “bear”) is a naval architect who designs both yachts and commercial vessels. Gerr Marine has been in business since 1983 and has designed everything from dinghies to 60-foot around-the-world racing sailboats, an 82-foot aluminum voyaging motoryacht, and currently, redesign work on the U.S. Navy’s nuclear submarines. Gerr is a contributing editor with Boatbuilder, Yachting, and Offshore magazines. HOMETOWN: New York, NY

• AcknowledgmentsIntroductionChapter 1. Power: Understanding Engine PerformanceChapter 2. Estimating Speed: Effects of Power, Weight, and Hull TypeChapter 3. Propeller Anatomy: Parts and DefinitionsChapter 4. Blade Characteristics: Blade Shape, Cavitation, Special Propellers, and Rules of ThumbChapter 5. Crouch's Propeller Method: The Empirical Method for Calculating Propellers Using SlipChapter 6. The Bp- Method: The Power Factor Method for Calculating PropellersChapter 7. Installation Considerations: Blade Clearances, Shafting, and Propeller WeightChapter 8. Tugs and Trawlers: High-Thrust, Variable-Loading, Controllable Pitch, and Ducted PropellersChapter 9. Sailboats, Outboards, and Go-Fast Wrinkles: Propellers for Special ApplicationsAppendix A. Measuring the Hull: Procedure for Determining DisplacementAppendix B. Measuring the Propeller: Procedure for Finding Diameter and PitchAppendix C. Shaft Taper and Coupling DimensionsAppendix D. Decimal ExponentsManufacturers and SuppliersBibliographyIndex