Alastair Buchan – Pencil, Paper and Stars – PDF DOWNLOAD

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Alastair Buchan – Pencil, Paper and Stars – PDF DOWNLOAD

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Alastair Buchan Pencil, Paper and Stars – PDF DOWNLOAD

Language : English
Pages : 198
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Alastair Buchan – Pencil, Paper and Stars – PDF DOWNLOAD

Pencil, Paper and Stars 3
Contents 7
1 An excellent art 11
2 Another kind of sailing 15
Positive Waves 16
Picture This 17
Keep It Simple 17
Proper Preparations 18
3 The first navigators 19
4 All in the mind 25
Route Navigation 26
Map Navigators 27
5 Passage planning 33
Choice of Landfall 34
One Step at a Time 41
Sailing Directions 42
Log Keeping 43
6 A home-made magnetic compass 45
The Compass Rose 46
Making a Magnetic Compass 46
7 Direction from the sun 53
Amplitudes 54
North by Your Watch 58
A Sun Compass 60
8 Direction from the stars 63
The Celestial Sphere 64
Finding Polaris 69
Meridian Stars 75
Planets 80
9 Direction from the moon 83
10 Telling the time 87
GMT 88
Zone Time 88
Time and the Navigator 89
Time from the Sun 89
Making a Sundial 92
Time from the Stars 93
Time from the Moon 95
11 Dead reckoning and estimated positions 99
A Dead Reckoning Position 100
The Log Ship 102
Estimated Positions 105
The Traverse Board 107
12 Coastal navigation 109
Distance to the Horizon 110
Geographic and Nominal Range of Lights 111
Distance Off by Similar Triangles 112
Distance Off by Vertical Angle 114
Distance Off by Horizontal Angle 114
Distance Off by Winking 115
Distance Off by Horizon Angle 117
Distance Off by Bearings 117
Distance Off by Echo Ranging 119
13 Home-made sextants 123
The Astrolabe 124
The Sun Shadow Board 125
The Latitude Hook 127
The Kam´ al 127
The Quadrant 130
The Cross Staff 132
The Back Staff 134
14 Sextant corrections 137
DIP 138
Refraction 139
Horizon Sights 139
Parallax 140
Semi-Diameter 140
15 Meridian sights 141
16 Latitude from Polaris 147
Latitude from Polaris 148
Latitude from Circumpolar Stars 150
17 Longitude 155
Lunar Eclipses 156
Lunar Distances 156
Longitude by Time 158
18 Plane sailing 161
Plane Sailing and Passage Planning 162
Traverse Tables Courses 165
19 Chartmaking 169
Home-made Charts 170
Charts for Coastal Passages 171
20 Signs of Landfall 175
Waves 176
21 Accuracy 187
Course Errors 188
Plotting Positions 188
Index 193
Lifeboats 198

S.V 15/03/2025