Internal Combustion Engine Gas Powered Model Car.

TABLE OF CONTENTS CHAPTER CONTENT PAGES ACKNOWLEDGEMENT iii ABSTRACT iv ABSTRAK v TABLE OF CONTENT vi LIST OF TABLES x LIST OF FIGURES xi LIST OF APPENDICES xiv 1 INTRODUCTION 1

1.1 Overview

1 1.2 Problem Statement 2

1.3 Objective

3 1.4 Project Scope 3 2 LITERATURE REVIEW 4

2.1 Internal Combustion Engine

4 2.1.1 Introduction 4 2.1.2 Two-Stroke Engine 6 2.1.3 Four-Stroke Engine 7

2.2 Model Car Engine

7 2.2.1 Nitro Engine System 8 2.2.2 Fuel Feed System 10 2.2.3 Nitro Fuel 12 2.2.4 Glow Plug 14 2.3 Nitro Engine Part 15 2.3.1 Cylinder Head 16 2.3.2 Carburetor 16 2.3.3 Cranckshaft 17 2.3.4 Crankcase 18 2.3.5 Exhaust Port 18 2.4 Liquid Petroleum Gas 19 2.4.1 Liquid Petroleum Gas Properties 19 2.4.2 Liquid Petroleum Gas Temperature And 20 Pressure 2.5 Gas Engine 21 2.5.1 Filter 21 2.5.2 Hose, Pipe and Fitting 22 2.5.3 LPG Tank 22 2.5.4 Valve 23 2.5.5 Converter 24 2.5.6 Mixer 24 2.5.7 Injector 25 2.5.8 Electrical and Electronik Control 25 3 METHODOLOGY 27 3.1 Gathering Information 27 3.2 Design 28 3.3 Selection of Suitable Component 28 3.4 Arrangement of LPG Component 29 3.4.1 LPG Tank Installation 29 3.4.2 LPG Control Valve 31 3.4.3 Hose 32 3.5 Ignition System 32 3.5.1 Magneto Ignition Module 33 3.6 Lubricant System 35 3.6.1 Component Selection 35 3.6.2 System Arrangement 36 3.7 Analyzing Design System Performance 38 3.7.1 Equipment Use for Experiment 39 3.7.2 Experiment of Engine Speed 39 3.7.3 Experimental Procedure 40 3.7.4 Efficiency of Engine Speed for LPG 41 4 EXPERIMENTAL RESULT AND DISCUSSION 42 4.1 Fabrication Process 42 4.1.1 Ignition System 43 4.1.2 LPG System 44 4.2 Experiment 45 4.2.1 Experimental Result 46 5 CONCLUSION AND RECOMMENDATION 47 5.1 Conclusion 47 5.2 Recommendation 48 5.2.1 Improving the Ignition System 49 5.2.2 Designing the LPG Control Valve 49 5.2.3 Analyzing the Gas Properties 50 REFERENCE 51 RUJUKAN 53 APPENDIXES 55 LIST OF TABLES NO. TITLE PAGES 3.1 Example of Engine Speed Table 40 4.1 Engine Speed Table 46 4.2 Efficiency of the Designed LPG System 50 LIST OF FIGURES NO. TITLE PAGES 2.1 Step of Piston Rotation 9 2.2 Port in Cylinder 10 2.3 Small Engine Crank-Shaft 11 2.4 Open Crank-shaft 11 2.5 Basic Engine Parts 16 2.6 Carburetor Part 17 3.1 LPG System Design Flow Chart for RC Engine 28 3.2 LPG Components Assembly’s Flow Chart in RC Engine 29 3.3 Gas Cartridge 30 3.4 Portable Gas Stove 30 3.5 Slip Type Carburetors 31 3.6 LPG Control Valve 31 3.7 Nylon Hose 32 3.8 Schematic Arrangement of Electronic Ignition System 33 3.9 Magneto Ignition Module with Spark plug 34 3.10 Position of Pickup Sensor 34 3.11 Principle of Pascal’s Law 35 3.12 Nitro Fuel Tank 36 3.13 Lubricant Oil Flow Chart 37 3.14 Flow Chart of Experimental Process 38 3.15 Tachometer 39 3.16 System Schematic Diagram 40 4.1 Marking of TDC Point 43 4.2a Original Plug holder 43 4.2b Fabricated plug Holder 43 4.3 Installation of Ignition System 44 4.4 LPG System 45 4.5 Graph Speed versus Control Valve Turn for Tank Valve Turn is ¼ 47 4.6 Graph Speed versus Control Valve Turn for Tank Valve Turn is ½ 47 4.7 Graph Speed versus Control Valve Turn for Tank Valve Turn is ¾ 48 4.8 Graph Speed versus Control Valve Turn for Tank Valve Turn is 1 48 4.9 Graph Speed versus Control Valve Turn 49 5.1 Electronic Ignition Module 55 5.2 Position of Hall Switch Mount 55 LIST OF APPENDICES NO TITLE PAGES A FLOW CHART FOR PSM 1 56 B FLOW CHART FOR PSM 2 57 C GANT CHART FOR PSM 1 58 D GANT CHART FOR PSM 2 58 E JURNAL F PROPANE, BUTANE AND LPG DATA 60 G OWNER INSTRUCTION MANUAL 63 H ENGINE TECHNICAL SPECIFICATION 64 I FABRICATION PROCESS AND COMPONENT 65 CHAPTER I INTRODUCTION

1.1 Overview