On the surface, choosing the correct propeller for a particular boat seems simple. But one factor affects another, which then affects another factor, leading many boaters to believe that propeller selection depends more on black magic than logic.
All the questions are answered in this complete reference, the first of its kind. This clear, easy-to-use handbook for all small boats is written not for Ph.D.s seeking the latest wrinkle in high-tech propeller design, but as a practical aid for the average mechanic, engineer, boatbuilder, fleet operator, serious yachtsman, or naval architect.
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 SuppliersBibliographyIndexDave Gerr is a naval architect specializing in the design of yachts and commercial craft to 180 feet. He has worked on vessels ranging from 440-foot cruise ships to a 60-foot BOC racer, a 60-mph jet-drive runabout, a 7-knot, 25-foot cruising motor launch, 100-foot aluminum motoryachts, and an assortment of 40l£"
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