Construction and Comparative Test of a Four Cycle Gasoline Engine Arranged to Operate With and Without an Augmented Charge of Air (Classic Reprint) - Hardcover

Dan Monroe Stump

9780267630318: Construction and Comparative Test of a Four Cycle Gasoline Engine Arranged to Operate With and Without an Augmented Charge of Air (Classic Reprint)

Hardcover

ISBN 10: 026763031X ISBN 13: 9780267630318

Publisher: Forgotten Books, 2019

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Experience the process of transforming an engine design—from two-stroke beginnings to a refined four-stroke system with an augmented air approach—and see how engineers test, tune, and optimize performance.

This detailed account follows the careful work of researchers as they design, modify, and test a gasoline engine. It covers the move from a cam‑operated two‑stroke setup to a four‑stroke configuration, modifications to the intake and exhaust systems, and the introduction of an automatic intake valve and other tuned components. The narrative explains how indicators, such as a Prony brake and an optical manometer, help measure torque, speed, and gas flow. You’ll see how cooling, lubrication, and fuel delivery are arranged to support precise experimentation, with the goal of maximizing stability and power at varying speeds. The material also presents real test results, illustrating how adjustments to valve lift, timing, and spark advance influence engine performance.

What you’ll experience

Step‑by‑step description of the engine’s evolution from early design to a four‑cycle configuration
How test apparatus works together to measure power, fuel use, and pressure within the cylinder
The role of timing, valve clearances, and throttle control in achieving smoother operation
Practical insights from hands‑on experiments comparing setups with and without an auxiliary exhaust port

Ideal for readers of engineering history and applied thermodynamics, this edition offers a window into early experimental methods, problem solving, and the practicalities of engine testing.

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