Overview

SA Design Practical Engine Airflow

In the simplest terms, an engine is an air pump. Whether you're a professional engine builder or a serious amateur, you must understand engine airflow dynamics and need to apply these principles if you want to optimize performance. In SA Design Practical Engine Airflow, author John Baechtel explains airflow dynamics through an engine in layman's terms so you can easily absorb and apply it. The principles of airflow are explained; specifically, the physics of air and how it flows through major engine components, including the intake, heads, cylinders, and exhaust system.

The author explains atmospheric pressure, air density, and brake specific fuel consumption so you understand the properties of fuel for tuning. Baechtel covers the primary factors for optimizing the airflow path. This includes: the fundamentals of air motion; air velocity and boundary layers; obstructions; and pressure changes. Flowing air through the heads and the combustion chamber is comprehensively explained. Also carefully explored is the exhaust system's airflow, in particular primary tube size and length, collector function, and scavenging. Chapters also discuss flow bench testing, evaluating flow numbers, and using airflow software. If you want to achieve ultimate engine performance, you need this book.

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