The Submarine Torpedo Boat
Its Characteristics And Modern Development

206 INDEX Center of gravity, position of, 40, 44 Chief characteristics of the Adder, 16 Chief characteristics of the M-i, 16 Chief characteristics of the sub- marine torpedo boat, 15 Chief characteristics of the U-9, 22 Circle of visibility, radius of, 162 Circular hull type of boat, 38 Civil War, use of the submarine in, 4 Civil War, use of the submarine mine in, 196 Coast defense operations, 166 Colt, Samuel, 195 Communications, interior, 95 Compass, gyroscopic master, 90 Compass variations effected by hull, 88 Compromise in design, necessity of, 58 Conning tower, 92-106 Contact mines, 197 -----, depth control, 199 Control, automatic depth, 106 Control by use of forward propel- lers, 54 Control, factors and margin of safety in the different types, 51 Cork sheathing in living quarters, 37 Cost of the automobile torpedo, 184 Course, effect of error in estimation of, 165 Cruising radius, real limit of, 18 Curves, typical speed and power, showing difference between en- gines and motors, 75 . D Dardanelles, submarine operations in the, 158 “Davids,” the, 4 Davy, Marie, 93 Deck tubes, 97 Defense against the submarine, means of, 142 Defense, mode of coast, 166 Defense, mode of harbor, 158 Defensive operations of the sub- marine, 158 Del Proposto system of propulsion, 130 Depth control of contact mine, 199 Depth control of submarine, 106 Design, effect of submarine, on battleship, 141 Design of the submarine ----, armament, 97 ----, apportionment of weights, 63 ----, ballast system, 61 ----, effect of form upon resistance, 65 ----, frame resistance formula, 104 ----, habitability, 34, 82 ----, navigation, 88 ----, propulsive system, 18, 28, 65, 80, no, 130, 140 ----, radius of action, 18, 86, 137 ----, safety, 102 ----, signalling and interior com- munication, 95 ----, speed and power curves, 74- 75 ----, speed and power estimation, 67 ----, stability, 60 Destroyer versus the submarine, 30, 144 Determination of E. H. P. in the model basin, 68 Development, beginning of system- atic, 15