Performance Automotive Engine Maths Fast Engine Calcs For Street and Race Use

Description: Product Details160 PagesPaperbackColourPublished in 2011Part of the S-A Design CarTech SeriesPerformance Automotive Engine Math By John Baechtel All the parts within any engine are designed and engineered using the appropriate mathematics to function efficiently and be durable. When discussing high performance automotive engines, a specific set of math formulas are used to develop and design powerplants to make more power at higher rpm levels and still survive. The various forms of motorsport and street use all have different requirements, but the math used to design engines to be competitive does not change, regardless of the specific discipline. Multi-time author and well-regarded performance engine builder/designer John Baechtel has assembled the relevant mathematics and packaged it all together in a book designed for automotive enthusiasts. This book walks readers through the complete engine, showcasing the methodology required to define each specific parameter, and how to translate the engineering math to hard measurements reflected in various engine parts. Designing the engine to work as a system of related components is no small task, but the ease with which Baechtel escorts the reader through the process makes this book perfect for both the budding engine enthusiast and the professional builder. Author Baechtel's experience and writing capabilities shine in Performance Automotive Engine Math, and this book will surely be a strong addition to any high performance library. John Baechtel John Baechtel is a former editor of Car Craft and Hot Rod magazines and was the founding partner of the Westech Performance Group engine dyno testing facility. He is also a member of the Bonneville 200 MPH club, holding both SCTA and FIA International speed records. He drove the first production-based Mustang Cobra past the 200-mph mark in 1993 and was the driving force behind the restoration of the Summers Brothers Land Speed Record car for The Henry Ford museum. With more than 34 years of high-performance engine and vehicle testing under his belt, he is still passionate about engines and high-performance technology. He currently serves as a technical consultant to several performance aftermarket companies while pursuing his interest in land speed racing and grooming his extensive collection of land speed model cars and memborabilia.Table of Contents Acknowledgments Foreword by Jim McFarland Introduction Chapter 1: Basic Math and Science Core Principles Chapter 2: Engine Displacement Cylinder Bore Diameter Stroke Length Calculating Displacement Calculating Overbore Displacement Calculating Bore and Stroke Relationships Bore/Stroke and Rod/Stroke Ratios Metric Conversions Equivalent Displacement What is Bore Spacing? Sonic Checking Practie Calculations Displacement Formulas at a Glance Chapter 3: Compression Ratio Factors Affecting Compression Ratio Finding V2 Displacement Ratio Cranking Compression Compression Ratio Formulas at a Glance Chapter 4: Piston Speed Maximum Piston Speed Piston Acceleration Calculating RPM Limits Engine Balancing and Overbalancing Calculating Piston Position Piston Speed Formulas at a Glance Chapter 5: Brake Horsepower and Torque Calculating Horsepower from Torque How to Read a Dyno Sheet, Part 1 Horsepower and Torque Ratings Indicated Horsepower Indicated Torque Brake Mean Effective Pressure Mechanical Efficiency Torque and HP Formulas at a Glance Chapter 6: Induction Math Engine Air Capacity Volumetric Efficiency Intake Manifolds Street Carburetor vs Race Carburetor Choosing Throttle Body Size Calculating Turbocharger Carburetor Size Sizing a Turbocharger Boost and Supercharger Drive Ratios Wave Tuning Ram Effects and Inlet Cooling How to Calculate Runner Cross Section Induction Formulas at a Glance Chapter 7: Cylinder Head Math Converting Combustion Chamber Sizes Evaluating Port Volumes Calculating Valve Curtain Area Calculating Optimum Port Area from Valve Size Calculating Minimum Port Area Calculating Port Velocity Estimating Peak Engine Speed from Airflow Predicting Horsepower from Airflow Looking at Valve-Lift-to-Diameter Ratios Comparing Flow at Different Test Pressures Understanding Exhaust-to-Intake Ratio Cylinder Head Formulas at a Glance Chapter 8: Exhaust System Math PipeMax Exhaust System Calculations Calculating Primary Tube Cross Section Calculating Primary Tube Length Calculating Collector Diameter and Length Food for Thought Exhaust System Wave Dynamics Exhaust System Formulas at a Glance Chapter 9: Fuel System Math Understanding BSFC How to Read a Dyno Sheet, Part 2 Fuel System Calculations Fuel System Formulas at a Glance Chapter 10: Atmospherics and Combustion Math Atmospheric Effects on Engine Performance Density Altitude Performance Weather Stations Lambda and Air/Fuel Ratios Dynamometer Correction Factors Atmospheric/Combustion Formulas at a Glance Chapter 11: Camshaft Math Lobe Centers Understanding Cam Specs Calculating Valve Lift Finding TDC Degreeing the Cam Calculating Valve Overlap Camshaft Formulas at a Glance Chapter 12: Tools and Equipment Measurement Tools, Standards and Accuracy Chapter 13: How To Build an Engine Math Spreadsheet Finding Displacement Finding Piston Speed Finding Stroke Length Other Calculators Engine Build/Content Sheet Engine Assembly Sheet Chapter 14: Engine Simulation and Modeling Software Performance Trends Racing Systems Analysis Comp Cams/ProRacing Sim Motion Software Support Programs Appendix A: Abbreviations and Acronyms Appendix B: Handy Conversion Factors Appendix C: Glossary Source Guide

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