INDEX Admiral class, armour of, 140 , metacentric height, 195 Air escapes for Hooding, 105 Air plugs in manhole covers, 55, 105 Angle of maximum stability, 213 of vanishing stability, 213 Annealing of steel plates, 12 of rectangle, etc., 159 Armour bars, 154 bolts, 157 , compound, 140 , figure of merit, 138 , Harveyed, 142 , Krupp, 145 protection, 135 scuttles, 158 , wrought-iron, 137 Arrogant, section, 33 , stern, 79 , turning, 241 Astraa, turning, 241 Backing, teak, behind armour, 155 , framing of, 23, 24 , plating of, 50 Beams, construction of, 38 , strength of, 1 , support to, 41 Beck's automatic valve, 70 , construction of, 227 Bilged compartment, sinkivgc due to, 178 , change of trim due to, 210 Black Prince, protection of, 151 ——, , approximation to, 204 BM, transverse, 184 , , approximation to, 184 Board margin, 167, 266 to sheathing, 122, 123 to wood deck, 48 Bottom plating, 50 Bracket frame, 24 , watertight, 60 Bulwark class, protection of, 147 , centre of, 180 , reserve of, 177 Butt fastening for wood deck, 47 Calculations for area and volume, 159 Canopus class, protection of, 146 Capacity of pumps in a battle-ship, 97 Captain, stability of, 213 Carlings, 40 Cast steel, tests of, 14 Caulking sheathing, 123 steel plates, elc, 19 wood decks, 48 Cement, 125 in bolt holes of sheathing, 123 Centre of buoyancy, 180 , influence on stability, 187 of flotation, 204 of gravity, 180 Chambers, water, to diminish rolling, 227 Change of trim, 204 Circle, area of, 159 Circles, turning, 237 Clutches to steering gear, 94 Coal bunkers, ventilation of, 109 Coal stowage as affecting stability, 197 Coaling of ships, 127 Coefficient of fineness 174 Cofferdam bulkhead, CO Cofferdams, 155 Collision bulkhead, 60 Comparison, law of, 252 Composite system, 120 Compound armour, 140 Conditions of equilibrium, 181 of stable equilibrium, 183 Copper sheathing, 120 Cork cement, 126 Corresponding speeds, 249 Corrosion, 117 Corticine for decks, 48 Countersinking, 16 County class of cruisers, protection of, 151 Crank ship, steadiest in a seaway, 230 Creuy class, protection of, 150 —— , turning of, 241 Cruiser, first class, construction of, 28 , watertight subdivision, 67 Cruiser, third class, construction of, 33 — , watertight subdivision, 69 Cruisers, protection of, 149 of horse-power, 245 of stability, 213 of tons per inch, 174 Damaoe, change of trim due to, 210 , sinkage due to, 179 Deck planking, 46 plating, 44 protection, 136 Deep load condition, definition of, 107 , plating of, 58 Devastation, protection of, 137 Diadem and Powerful, comparison of 1.11.P., 251 , turning of, 211 Difference of draught, salt and river water, 176 curve of, 173 Diverging waves, 248 Docking, conditions of stability, 200 Doors, watertight, automatic, 72 , , hinged, 65 , , horizontal sliding, 69 , , quick-closing, 66 , , vertical sliding, 66 Double bottom, access to, 64 , flooding of, 104 , pumping from, 101 , value of, 21 , ventilation of, 112 Dowel in deck planking, 48 Drake curves of I.H.P. and revolutions, 245 protection of, 151 Draught, change of, due to different density of water, 176 , light, normal, deep, 167 Dry dock flood to magazines, etc., 106 section of, 21 Dynamical stability, 216 Ei>r>Y making resistance, 217 , section, 29 Edge laps, 18 strips, 18 Effective horse-power, 246 Elastic cup washer to armour bolts, 157 Equilibrium neutral, 182 stable, 182 unstable, 182 Enrydiee, stability of, 217 Figure of merit of armour, 138 Fire main, 107 First class battle-ship, construction of, 21 , shaft brackets, 85 stem, 75 stern, 78 • cruiser, construction of, 28 , rudder and stem post, 83 , watertight subdivision, 57 Flood valve, 104 Flooding of double bottom, 104 of magazines, 106 of wing compartments, 105 Formidable class, protection of, 147 Fouling, 120 Framing of battle-ship, 21 of destroyer, 37 of first class cruiser, 30 of second-class cruiser, 32 of sloop, 36 of third class cruiser, 34 Freeboard, influence on stability, 215 of merchant ships, 178 French war-ship, section of, 145 to rolling, 225 Froude's experiment with Greyhound, 243 law of comparison, 262 Galvanic action, a cause of corrosion, 119 Galvanizing, 118 Greyhound, towing experiments on. 243 Grummets, 48, 123 Gunmetal composition, 119 Half beams, 40 Harfield's steering gear, 89 Harvey process of manufacturing armour, 142 by turning, 235 Hinged watertight doors, 65 Hogging, 4 Horse-power, definition of, 246 , effective and indicated difference between, 246 indicated, curve of, Drake, 245, , -, Powerful and Diadem, 251 Hyacinth and Juno comparison, 270 Inclining experiment, 190 to watertight doors, 66 Indicated horse-power, definition of, 246 , Drake, curve of, 245 , estimates of, 253 Powerful and Diadem compared, 251 , corrosion of, 125 , manholes in, 55 Inspection of watertight doors, 71 Insulation of copper sheathing from hull, 1 '1'3 Joints, lap and butt, 18 Keel, flat plate, 52 , vertical, etc., of battle-ship and cruiser — , vertical, 23 , section, 22 , shape of stern, 79 Kingston valve, 103 !■ joints, 18 , stability, 192 '. :.«!. deep, condition, definition of, 167 , stability, 192 ""»d, normal, condition, definition of, 167 _ stability, 192 Local strains, 8 - framing, 22 metacentre, 204 metacentric height, 204 \ I.azines, flooding of, 105 • .• stic class, armour, 142 through Suez Canal, 208 ".lil'ick's rolling indicator, 232 to double bottom, 54 -ured-mile trials, 256 ■centre, longitudinal, 204 , transverse, 183 , shapes of, for various ships, 193 Metacentric height, longitudinal, 204 , transverse, 183, 195 ; icentric locus for different ships, 188 • •mint of inertia of area about an axis, of weight about an axis, 223 Moment to change trim 1 inch, 206 , approximation to, 206 . firch, stability of, 214 Narrow belt, disadvantages of, 144 and flood valve, 103 Normal load draught, 167 Observations of rolling, 231 Panting, 8 Period of rolling, 223 . , different ships, 225 Phosphor bronze castings, tests, 14 , composition of, 15 Pickling of steel plates, 13 , portable, 43 Pitch of rivets, 19 Powerful and Diadem, comparison of I.H.P., Preservation of ships, 118 Questions, 279 Radius of gyration, 223 to rolling, 225 Resisted rolling in still water, 225 in still water, 222 "Rosbonite " for fresh-water tanks, 126 Royal Arthur, stability of, 218 Royal Sovereign, armour protection of, 141 , midship section, 20 , stability of, 218 , supports behind armour, 155 Rudders, 80 Sagging, 4 Screw steering gear, 91 Screw-down, non-return, and flood valve, 103 Sheathed ships, two thicknesses, 122 river water, 176 , dynamical, 216 , initial, 180 , statement, 221 , statical curve of, 212 Stable equilibrium, definition of, 182 , high tensile, 11 , sections of, 15 , tests of, 11 Steering by manual power, 92 by steam, 92 Steering gears, 87 Stems, 73 Sternposts, 77 Sterns, shapes of, 79 Still water, rolling in, 223 Strength of ships, 1 Structural strains, 1 Submarine boat, stability of, 210 Suez Canal, passage through, of large ships, 208 , tonnage, 169 Tests for rivets, etc., 13 for steel plates, etc., 11 for strength of bulkheads, 64 for watertightness, 64 Temeraire, protection of, 137 , approximation, 174 Topaze and Sentinel, comparison, 270 framing, amidships, 24 , ends, 27 metacentric height, 183 for various classes, 195 strength, 8 system of construction, 33 Trapezoid, area of, 159 on measured mile, 256 Triangle, area of, 159 , moment to change, 1 inch, 206 Triumph, H.M.S., stability of, 195, 218 trials in Royal Navy, 242 Twin screw ship, turning of, 241 Unresisted rolling in still water, 223 Valve, screw-down, 103 , screw-down, non-return, and flood, 103 Ventilation, artificial, 109 , natural, 109 of coal bunkers, 109 of magazines, 116 of spirit room, 109 with motor fans, 115 steam, 112 Victoria, closing of watertight doors, 72 , loss of, 272 Warrior, armour of, 135 Washer, elastic cup, to armour bolts, 157 Water-chambers, 227 Water, density of, 172 , difference of draught salt and river, 176 Water-testing for strength of bulkheads, 64 Watertight bulkheads, 60 Watertight doors, hinged, 65 , horizontal sliding, 69 , vertical sliding, 67 flats, 46 frames, 24 hatches, 49 inner bottom, 54 subdivision, 57, 59 Watertightness, 64 Wave making resistance, 218 Wave, ship on, 4 Waves, rolling among, 228 Wood backing, 155 decks, 46 sheathing, 122 Zino protectors, 119 THE END. TAINTED Br WILLIAM CLOWES AND SONS, LIMITED, LONDON AND BECCLES. |