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210
INDEX
Quarters, heating, 84
d’Quevilley system of propulsion,
22, 130
Quick submergence, necessity for, 30
R
Radius of action, 18, 86, 137
Radius of circle of visibility, 162
Raider, submarine in role of, 170
Range, effective, 28, 162
-----, effect of error in estimation of,
162
Range finding, 94
Ratio of beam to length, effect of, 65
Relative stability of different types,
40
Reliability of power plant, 28
Requirements, list of U. S. N., 15
Reserve buoyancy, 38
Resistance, effect of beam-length
ratio on, 65
-----, effect of form on, 65
Rule for wetted surface, 80
Russo-Japanese War, the use of
mines and their importance in, 196
S
Safety factors, 102
Salvage ships, 186
Schley, the U. S. submarine, 136
Sea-going type of submarine, 136
Sea-worthiness, 26
Selection of propellers, 71
Selection of type, 58
Ship-shape form of hull, 38
Signaling devices, 95
Single unit system of propulsion,
140
Sleeping quarters, 36
Soda boiler system of propulsion,
22, 130
Speed and power estimation, 67
Speed boats as submarine catchers,
147
Speed, effect of error in estimation of,
162
----, importance of, 28
Speed of automobile torpedo, 176
Stability, 26, 40, 42, 60, 62
Steam engine, 6, 10, no, 128
Steering stations, 92
Steering mechanism of automobile
torpedo, 180
Storage batteries, 8, 122
Strategic bases, 153
Strategy of the blockade, 164
Strength of hull, 102
Submarine, definition of, 58
Submarine blockade, 168
Submarine characteristics and re-
quirements, 26
Submarine in battle, 172
Submarine in the role of raider,
170
Submarine operations in the Dar-
danelles, 158
Submarine operations in the North
Sea, 154
Submarine signal system, 95
Submarine size increase, 134, 137
Submarine tenders, 185
Submarines and submersibles, 38
Submarines in the Civil War, 4
Submarines versus aeroplanes, 148
Submarines versus submarines, 151
Submergence, depth, 102
----, diving type, 46
----, even keel, 46, 53
Submerged navigation, 93
Submerged speed and radius of
action, 18
Submergence, necessity for rapid, 30