Design and Simulation of Two-Stroke Engines is a unique hands-on information source. The author, having designed and developed many two-stroke engines, offers practical and empirical assistance to the engine designer on many topics ranging from porting layout, to combustion chamber profile, to tuned exhaust pipes. The information presented extends from the most fundamental theory to pragmatic design, development, and experimental testing issues.

Design and Simulation of Two-Stroke Engines

Gasoline Direct Injection for a Loop-Scavenged Two-Stroke Cycle Engine

Direct Fuel Injection: An Opportunity for Two-Stroke SI Engines in Road Vehicle Use

The paper describes and lists the performance characteristics of a 400 cubic cm single-cylinder two-stroke cycle engine with natural-aspiration, spark-ignition and carburetter control of gasoline fuel. The engine features an uncomplicated and unique system of stratified-charging which helps reduce the short-circuited loss of fuel during scavenging. With an untuned exhaust system the engine produces a peak power of 13 kW at 5500 rev/min and a brake specific fuel consumption which has a minimum of 0.265 kg/kWh but, more importantly, virtually the entire speed and load range is below 0.34kg/kWh (0.55 lb/hp. hr). All performance characteristics at several throttle openings are presented at various engine speeds as a function of air/fuel ratio.

Hiroyoshi Iwasa

Papers

A Study of Two-Stroke Cycle Fuel Injection Engines for Exhaust Gas Purification