Engine Basics & Cycles

Engine fundamentals first: Otto, Diesel and dual cycles, engine terminology, and two-stroke vs four-stroke differences — the base every Motor answer builds on.

4 Topics In this Sub-topic

Engine Basics & Cycles Topics

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01 Theoretical Cycles — Otto, Diesel & Dual Combustion Three ideal heat-addition stories on one p-V plot — and why real marine diesels follow the dual one. Beginner · 6 min read · 4 sections 02 Diesel Engine Basics — Terms, Strokes & Timing Stroke, swept volume, compression ratio — then how four strokes collapse into two. Beginner · 7 min read · 4 sections 03 Diesel Engine Types — 2-Stroke Crosshead vs 4-Stroke Trunk Five ways to classify any diesel, then the full head-to-head that decides propulsion vs power generation. Beginner · 8 min read · 4 sections 04 Engine Nomenclature — Decode MAN, Sulzer, Daihatsu & Spec Sheets Every letter on the engine plate is a dimension, a duty or a revision — read the code and you already know the engine. Beginner · 7 min read · 4 sections