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