CONTENTS

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PAGE
List of Illustrations ix
Preface xiii
CHAPTER I
General Principles
Explosive Mixtures 1
The Meaning of Suction 2
The Meaning of Compression 3
The Meaning of a Stroke 3
The Otto Cycle 5
CHAPTER II
Description of a Typical Petrol Engine
The Cylinder 8
CHAPTER III
Engine Details
The Piston 17
The Connecting Rod 21
The Crankshaft 23
The Flywheel 25
CHAPTER IV
The Valves
Poppet Valves 29
Sleeve Valves 31
The Camshafts and Eccentric Shafts 33
The Timing Wheels 37
The Crankchamber 38
CHAPTER V
The Carburettor and Carburation
The Float Chamber 44
The Petrol Jet and Choke Tube 46
The Mixing Chamber and Throttle Valve 47
Recent Improvements in Carburettors 47
Pressure Feed and Gravity Feed 50
CHAPTER VI
Ignition and Ignition Devices
The Sparking Plug 51
The High Tension Magneto 52
The Ignition Coil 57
Wiring Diagram for Magneto Ignition System 60
Wiring Diagram for a Coil Ignition System 60
Timing the Ignition 62
CHAPTER VII
Lubrication
Properties of Oils 63
Splash System of Lubrication 63
Improved System of Splash Lubrication 64
Forced Lubrication 65

                                                                                                                                                                                                                                                                                                           

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