Knowledge (XXG)

HMS Inflexible (1876)

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3-inch-thick (76 mm) armoured deck 6–8 ft below the waterline to limit damage to the underwater section to keep them buoyant. Coal bunkers were located over the armoured deck and surrounded by 4-foot-wide (1.2 m) compartments filled with cork. The ship had bunker capacity for 400 tons of coal below the deck for use during combat, when the above-deck bunkers would be inaccessible and possibly flooded. The structure above the armoured deck also contained a large number of watertight compartments to further preserve buoyancy. There was also light superstructure to provide crew accommodation, and freeboard in rough weather, although anticipated to be seriously damaged in any major engagement.
629:. To reload the guns, the turret was rotated to align the guns with the rams, and the guns depressed so that the rams could push the gunpowder charge and 1,684-pound shell into it. The rams had to be extended twice: First, to extinguish any burning material remaining inside the gun using a sponge and water jet fixed to the end of the ram, and then again after charge, shell and wadding had been placed on a loading tray in front of it to be driven into the gun. The shell had a copper disk at its base which engaged with rifled grooves cut into the barrel to spin the shell, rather than zinc studs used on earlier designs. Tests showed that the normal full charge of 450 pounds of brown prismatic 714:. These were cast-iron cylinders attached to a swivel joint in the hull, one on each bow. Inside the ship the opposite end was attached to a graduated scale for targeting. There was a watertight door at either end of the tube. The 14-inch (360 mm) torpedoes were loaded inside a brass cylinder which slid into the iron casting. To fire the torpedo, the outer door was opened and a 10-foot (3.0 m) guide was extended which helped the torpedo clear the currents around the ship. A piston in the brass cylinder forced out the torpedo when it was to be fired, and at the same time its own compressed air motor was started. 804: 863:
of water per hour, pumps for cooling water through the steam condensers, fans to draw air through the ship through a system of ventilation ducts, steering gear, hydraulic pumps for the guns, air compressors, winches and for generating electricity. The engine room was noisy, wet, greasy, oily and steamy. It would be a normal occurrence for engines to leak steam and for bearings to run hot so that they had to be hosed down to keep them operating. All the essential equipment was contained within the armoured citadel.
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directly forward or directly aft. In practice, as in previous ships, it was found that axial fire led to so much blast damage to the ship's superstructure that it was impractical. However, the en-echelon arrangement also meant that at least three guns could fire on bearings close to fore and aft. All four guns could be fired broadside.
733:-inch-thick (16 mm) layers of shell plating. This 41-inch-thick (1,000 mm) layer of protection weighed 1,100 pounds per square foot. 24 inches of armour was considered almost completely proof against any contemporary gun and is still the thickest armour which has ever been used on a battleship. 926:
The ship was equipped with many other novelties, including water tanks to dampen the roll, which turned out to be useless. Much of the ship was without natural illumination, and Fisher had different deck levels painted in contrasting colours to make it easier for crew members to find their way around
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Although she was propelled principally by steam, she was equipped with a pair of masts and yards, so that 18,500 square feet (1,720 m) of sail could be deployed. This was to help exercise and train the crew, especially as such an area of sail (less than 2 square feet (0.19 m) per ton) would
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in 1876, but they were a recent innovation and more economical than the previous low pressure engines. Gangs of stokers were continuously bringing coal from the bunkers to feed the fires. The ship had a further 39 smaller engines for various purposes including bilge pumps capable of shifting 300 tons
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This was less surprising than it might seem to modern eyes, because it was expected that naval battles would be fought at a range of only a couple of thousand metres. The advent of steam power meant that ships were no longer restricted in manoeuvring by wind direction and had led to a belief that it
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The ship had two compound steam engines manufactured by John Elder and company. Each had one high-pressure and two low-pressure cylinders connected to a crankshaft. The connecting rods were 9 inches (230 mm) in diameter attached to 17.5-inch-diameter (440 mm) bearings on the crankshaft. A
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were mounted in two 33-foot-10-inch-diameter (10.31 m) turrets mounted en echelon, with the forward turret mounted on the port side of the ship and the after turret on the starboard side. The superstructure both fore and aft was very narrow to allow one gun in each turret to fire axially, i.e.
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in other parts of the ship. The circuitry was complicated because the lighting consisted of sets of 18 Swan lamps and an arc lamp arranged in series. Each incandescent bulb was fitted with an automatic mechanism to switch in a resistor to maintain continuity should it fail, so that the set of 19
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The armour was reduced to 20 inches (510 mm) thick above the waterline, with a 12-inch-thick (300 mm) outer plate and an 8-inch-thick (200 mm) inner one, with the thickness of teak increased to 21 inches (530 mm) to maintain the same overall thickness of protection. Below the
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The central citadel in particular was exceptionally heavily armoured. At the waterline, the armour consisted of a 4-foot-wide (1.2 m) layer of 12-inch-thick (300 mm) armour plate backed by 11 inches (280 mm) of teak. Behind this was another 12-inch-thick (300 mm) armour plate
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in 1893. Whilst this showed the considerable potency of a ram, it also demonstrated the inadequate manoeuvring characteristics of many of the ships equipped with them. The ram was designed to be removable to avoid damage during accidental collisions, but although other ships customarily carried
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She was refitted in Portsmouth in 1885, when the full sailing rig was removed. She was in the Fleet Reserve until 1890, except for brief service in the 1887 review and the manoeuvres of 1889 and 1890. She was re-commissioned for the Mediterranean Fleet from 1890 to 1893, serving thereafter as
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A heavily armoured citadel 75 feet (23 m) wide and 110 feet (34 m) long was located amidships, which would keep the ship afloat and stable regardless of what happened to the ends. This citadel contained the main guns, the boilers and the engines. The ends were unarmoured, but with a
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Barnaby wanted a ship both broader than existing designs to minimise rolling and as short as possible to reduce its size as a target. Making a ship broader compared to its length was known to reduce its speed, so the innovative technique of water tank tests on models, pioneered by
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hollow steel shaft drove each of the two screws at a maximum 75 rpm. There were two boiler rooms, one each end of the engine room. Each contained two 17-foot (5.2 m) and two 9-foot (2.7 m) boilers operating at 61 psi. Similar high pressure systems had been used on
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in June 1877. An editorial in the same edition, 18 June, said "it is said that the unarmoured ends are, in fact, the corks on which she floats, that she cannot swim without them, and it would appear that if she lost one she would capsize".
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Outside the citadel, above the 3-inch-thick (76 mm) armoured deck were a large number of small watertight compartments used to hold coal and stores. Between them and the hull were 4-foot-thick (1.2 m) compartments filled with
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waterline, again there was a 12-inch (300 mm) outer plate, but with a 4-inch-thick (100 mm) inner plate, with 25 inches (640 mm) of teak backing in total to maintain the overall thickness of protection at 41 inches.
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had demonstrated that such a short length for the ship's width would not require excessive installed power at the design speed of 14.75 knots (27.32 km/h). However, the same proportions were adopted in the similar but smaller
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s guns were muzzle loaded, and because of their length could not be reloaded from inside the turrets. Consequently reloading was done using hydraulic rams fitted outside the two turrets underneath an armoured
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of 1,590 feet per second (480 m/s), which could penetrate 23 inches (580 mm) of wrought iron armour at 1,000 yards (910 m). The muzzle loading took between 2.5 and four minutes.
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ever to be fitted to a Royal Navy ship. Controversially, she was designed so that if her un-armoured ends should be seriously damaged in action and become water-logged, the buoyancy of the
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The masts and sails were removed after four years in service, and replaced by simple pole masts for carrying signal flags and circular fighting tops, platforms carrying quick firing guns.
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in 1866. This had started a vogue for ramming (which persisted until the 1890s), and many naval experts even believed this was the most effective weapon a ship could have. For example
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to use an even bigger gun which Armstrongs was producing, a 16-inch (406 mm) gun weighing 81 tons. The Italians responded by changing their design to take even larger 100-ton
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seems to have kept hers in place. The ram was a solid iron forging supported by an extension of the 3-inch (76 mm) armoured deck which turned downwards behind it.
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on Malta and at the Napier of Magdala Battery on Gibraltar. Gibraltar's second gun is buried under the foundations of the adjacent old Fortress Headquarters Building.
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s own 16-inch (406 mm) guns did considerable damage to upperworks and boats. She was at this point under command of Captain (later Admiral of the Fleet)
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would be possible to steer into enemy ships. Rams turned out to be a handicap in retrospect, as several warships were accidentally sunk by them – for example
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The ship was the first major warship to depend in part for the protection of her buoyancy on a horizontal armoured deck below the water-line rather than
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which had been shown to help reduce the size of the hole made by a projectile passing through the coffer dam. All of these materials were treated with
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was to be equipped with four of the largest guns available, weighing 60 tons each. In October 1874 it was decided to modify the design of
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She was also equipped with a ram – ramming was considered a practical means of sinking an enemy battleship at that time. The Italian
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hardly move the ship. As Captain Fisher wrote: "The sails had so much effect upon her in a gale of wind as a fly would have on a
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essay contest with an article that asserted that "n a general action I do not hold that the guns will be the principal weapon".
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12 coal-fired boilers, two single-expansion Elder and Co. steam engines, 2 twin-bladed 20 ft (6.1 m) diameter screws
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Portsmouth guard ship until 1897. From there she went to Fleet Reserve, and in April 1902 to Dockyard Reserve, until sold at
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17.7-inch (450 mm) guns weighing 100 tons each. These were superior to the armament of any ship in the
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and twenty-one feet shorter, the smallest ever ratio of length to breadth in a metal first class warship.
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Work restarted on the ship in December 1877, and the ship was commissioned 5 July 1881, under Captain
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was the first Royal Navy ship to be completely lit by electricity, and the first to have underwater
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A Century of Naval Construction – The History of the Royal Corps of Naval Constructors 1883–1983
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on a Royal Navy ship, in 1882, after which the Navy adopted an 80 volt standard for its ships.
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The British Battle Fleet: Its Inception and Growth Throughout the Centuries to the Present Day
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Each turret weighed 750 tons and was protected by an outer layer of 9 inches (230 mm) of
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lights would not be extinguished if one failed. The arrangement also led to the first fatal
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firing 64-pounder shells into full scale replicas of the cork compartments and coffer dams.
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On completion the ship was sent to join the Mediterranean squadron. She took part in the
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mounted larger guns than those of any previous British warship and had the thickest
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Once the outline design was agreed, the detailed architectural design was done by
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backed by 6 inches (150 mm) of teak. Finally on the inside of this were two
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20-in (508 mm) citadel (reducing to 16 inches) + 21-in (533 mm) teak
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with the pole masts fitted in 1885, replacing the original full sailing rig
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to try to reduce their flammability. Experiments were carried out with
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at Portsmouth Dockyard, stern view of the ship, by Josiah Robert Wells
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Further exchanges followed until in July, construction was halted on
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quarter sometime prior to the 1885 removal of her full sailing rig.
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The en-echelon configuration was retained for the two ships of the
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Turret cross-section showing guns pointing downwards for reloading
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was of similar design, he raised grave concerns about this to the
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The Italian Navy had started constructing a pair of battleships,
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Birth of the Battleship – British capital ship design 1870–1881
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Birth of the Battleship – British capital ship design 1870–1881
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Dreadnought: Britain, Germany and the coming of the Great War
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24-in (610 mm) waterline belt + 17-in (432 mm) teak
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Famous Fighters of the Fleet, Edward Fraser, 1904, p.304
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respectively. Two of these guns still exist in situ, at
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to oppose the perceived growing threat from the Italian
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was a stable gun platform. Work by the hydrodynamicist
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Warrior to Dreadnought – Warship development 1860–1905
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Warrior to Dreadnought – Warship development 1860–1905
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A Tidy Little War: The British Invasion of Egypt 1882
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22-in bulkheads, reducing to 14 inches (360 mm)
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16-inch (406.4 mm) 80-ton muzzle-loading rifles
1730: 1682: 1599: 1574: 1449: 1380: 1249:. No. 36751. London. 25 April 1902. p. 8. 649:had been rammed and sunk by the Austrian flagship, 552:To counter the perceived threat from the Italians, 1158: 1156: 889:tubes. The electrical installation provided 800 465:was launched 27 April 1876. Later that year the 327:. The ship was constructed in the 1870s for the 296:17-in (432 mm) front, 16-inch back, turrets 1819:Victorian-era battleships of the United Kingdom 611:, an inner layer of 7-inch-thick (180 mm) 382:of the ship would keep her afloat and upright. 323:carrying her main armament in centrally placed 1204: 1202: 221:14.73 knots (27 km/h) @ 6,500 hp (4.8 MW) 1358: 8: 1075: 1073: 1071: 1069: 1043: 1041: 1039: 745:and containing a 2-foot-high (0.61 m) 275:(two submerged bow tubes, two on carriages) 1365: 1351: 1343: 1021: 1052:. Conway Maritime Press. pp. 45–49. 810:late in her career while serving as port 1139:. Chatham Publishing. pp. 105–107. 1084:. Chatham Publishing. pp. 122–137. 802: 786: 775: 710:The ship was fitted with two underwater 537:Drawing depicting one of the gun turrets 30:For other ships with the same name, see 1374:Ironclad warships of the United Kingdom 1296:Conway's All the World's Fighting Ships 989: 562:17.7-inch (450 mm) Armstrongs guns 38: 1264:Jane, Fred T.; Wyllie, W. L. (1915). 1245:"Naval & Military intelligence". 94: 7: 1315:. London: The military book company. 229:"Cross-Atlantic at economical speed" 900:in the engine and boiler rooms and 368:was designed as a counter to them. 1270:. Vol. 1. The Library Press. 1215:. Random House. pp. 420–421. 1185:. Stroud: Spellmount. p. 90. 1001:. Chatham Publishing. p. 65. 822:With a slenderness ratio of 4.6:1 564:. As these could not be fitted to 25: 1326: 96: 42: 663:Royal United Services Institute 498:(and two other smaller ships, 474:Director of Naval Construction 442:Dockyard on 24 February 1874. 362:British Mediterranean Squadron 1: 1804:Battleships of the Royal Navy 871:in producing any movement." 262:, and replaced in 1897 with 260:BL 4-inch (100 mm) guns 957:on 11 July 1882 during the 187:344 ft (105 m) oa 1835: 749:. The dam was filled with 184:320 ft (98 m) pp 29: 27:Royal Navy turret ironclad 1809:Ships built in Portsmouth 1771: 1684:Coastal defence ironclads 1451:Central battery ironclads 1209:Robert K. Massie (1992). 955:bombardment of Alexandria 919:Sectional drawing of HMS 438:and she was laid down at 264:QF 4.7-inch (120-mm) guns 256:20-pounder breech loaders 205:26.3 ft (8.0 m) 158: 89: 57: 41: 1181:Wright, William (2009). 271:4 × 14-in (360 mm) 258:, replaced in 1885 with 1110:David K. Brown (1997). 1048:David K. Brown (1983). 997:David K. Brown (1997). 380:armoured centre section 159:General characteristics 1114:. 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526: 524: 521: 454:Launch of the 447: 444: 425:William Froude 413:s Naval Annual 401: 394: 391: 387:armoured sides 353:Enrico Dandolo 303: 302: 301: 300: 297: 294: 291: 288: 283: 279: 278: 277: 276: 269: 266: 252: 251:, 2 per turret 243: 239: 238: 235: 231: 230: 227: 223: 222: 219: 215: 214: 211: 207: 206: 203: 199: 198: 195: 191: 190: 189: 188: 185: 180: 176: 175: 174: 173: 170: 165: 161: 160: 156: 155: 152: 148: 147: 144: 140: 139: 136: 132: 131: 128: 124: 123: 120: 116: 115: 110: 106: 105: 103:United Kingdom 92: 91: 87: 86: 78: 74: 73: 64: 60: 59: 58:Class overview 55: 54: 47: 32:HMS Inflexible 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1831: 1820: 1817: 1815: 1812: 1810: 1807: 1805: 1802: 1801: 1799: 1783: 1780: 1777: 1774: 1773: 1770: 1764: 1763: 1759: 1757: 1756: 1752: 1750: 1749: 1745: 1743: 1742: 1738: 1737: 1735: 1733: 1729: 1723: 1722: 1718: 1716: 1715: 1711: 1709: 1708: 1704: 1702: 1701: 1697: 1695: 1694: 1693:Prince Albert 1690: 1689: 1687: 1685: 1681: 1675: 1674: 1670: 1668: 1667: 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1218: 1214: 1213: 1205: 1203: 1199: 1194: 1188: 1184: 1177: 1174: 1168: 1165: 1159: 1157: 1153: 1148: 1146:1-86176-167-8 1142: 1138: 1131: 1128: 1123: 1121:1-84067-529-2 1117: 1113: 1106: 1104: 1102: 1098: 1093: 1091:1-86176-167-8 1087: 1083: 1076: 1074: 1072: 1070: 1066: 1061: 1059:0-85177-282-X 1055: 1051: 1044: 1042: 1040: 1036: 1033:Padfield p.84 1030: 1027: 1023: 1018: 1015: 1010: 1008:1-84067-529-2 1004: 1000: 993: 990: 983: 981: 979: 973: 971: 964: 960: 956: 948: 947: 942: 937: 930: 928: 922: 917: 913: 911: 910:electrocution 906: 903: 899: 895: 892: 888: 884: 877: 875: 872: 870: 864: 861: 860: 855: 854: 846: 844: 843: 837: 836: 829: 825: 817: 813: 809: 805: 798: 794: 789: 782: 778: 771: 769: 767: 766: 760: 756: 752: 748: 744: 738: 734: 717: 715: 713: 712:torpedo tubes 705: 703: 701: 696: 695: 689: 688: 683:in 1875, and 682: 681: 675: 674: 666: 664: 661:won the 1874 660: 656: 652: 651:Ferdinand Max 648: 640: 638: 636: 632: 628: 620: 616: 614: 610: 605: 603: 602: 596: 595: 589: 586: 581: 579: 578:Fort Rinnella 575: 571: 567: 563: 559: 555: 544: 534: 527: 523:Main armament 522: 520: 518: 513: 511: 510: 504: 503: 497: 492: 489: 488: 483: 479: 475: 471: 468: 464: 457: 452: 445: 443: 441: 437: 436:William White 432: 430: 426: 420: 409: 405: 399: 392: 390: 388: 383: 381: 377: 373: 369: 367: 363: 359: 355: 354: 349: 348: 342: 340: 339:Mediterranean 336: 335: 330: 326: 322: 319: 316: 312: 311: 298: 295: 292: 289: 286: 285: 284: 281: 280: 274: 273:torpedo tubes 270: 267: 265: 261: 257: 253: 250: 246: 245: 244: 241: 240: 236: 233: 232: 228: 225: 224: 220: 217: 216: 212: 209: 208: 204: 201: 200: 196: 193: 192: 186: 183: 182: 181: 178: 177: 171: 168: 167: 166: 163: 162: 157: 154:Scrapped 1903 153: 150: 149: 145: 142: 141: 138:27 April 1876 137: 134: 133: 129: 126: 125: 121: 118: 117: 114: 111: 108: 107: 93: 88: 85: 83: 79: 76: 75: 72: 70: 65: 62: 61: 56: 51: 45: 40: 37: 33: 19: 1761: 1754: 1747: 1740: 1720: 1713: 1706: 1699: 1692: 1672: 1665: 1658: 1651: 1644: 1643: 1637: 1630: 1623: 1616: 1609: 1584: 1564: 1557: 1550: 1543: 1536: 1529: 1522: 1515: 1508: 1501: 1494: 1487: 1480: 1473: 1466: 1460:Royal Alfred 1459: 1439: 1432: 1425: 1418: 1411: 1404: 1397: 1390: 1334: 1312: 1295: 1283: 1266: 1258:Bibliography 1246: 1240: 1231: 1210: 1182: 1176: 1167: 1136: 1130: 1111: 1081: 1049: 1029: 1017: 998: 992: 974: 962: 959:Urabi Revolt 952: 944: 940: 925: 920: 882: 881: 873: 869:Hippopotamus 865: 858: 852: 847: 841: 834: 823: 821: 807: 792: 780: 764: 739: 735: 721: 709: 699: 693: 686: 679: 672: 667: 650: 646: 644: 618: 617: 613:wrought iron 606: 600: 592: 590: 582: 565: 557: 553: 551: 514: 508: 501: 495: 493: 485: 477: 462: 461: 455: 433: 428: 421: 417: 407: 406:as shown in 403: 384: 371: 370: 365: 352: 346: 343: 334:Regia Marina 332: 309: 307: 306: 164:Displacement 143:Commissioned 81: 71: (1875) 68: 49: 36: 1638:Dreadnought 1624:Devastation 1509:Bellerophon 946:The Graphic 878:Innovations 659:Gerard Noel 647:Re d'Italia 517:John Fisher 472:, formerly 470:Edward Reed 446:Controversy 169:10,880 tons 146:5 July 1881 69:Dreadnought 63:Preceded by 1814:1876 ships 1798:Categories 1645:Inflexible 1474:Enterprise 1440:Lord Clyde 1335:Inflexible 963:Inflexible 941:Inflexible 927:the ship. 921:Inflexible 883:Inflexible 824:Inflexible 816:Portsmouth 812:guard ship 808:Inflexible 793:Inflexible 791:A view of 781:Inflexible 772:Propulsion 747:coffer dam 718:Protection 700:Inflexible 694:Camperdown 619:Inflexible 566:Inflexible 558:Inflexible 554:Inflexible 496:Inflexible 478:Inflexible 463:Inflexible 456:Inflexible 440:Portsmouth 404:Inflexible 372:Inflexible 366:Inflexible 329:Royal Navy 321:battleship 310:Inflexible 234:Complement 210:Propulsion 50:Inflexible 1784:Cancelled 1748:Abyssinia 1721:Conqueror 1673:Trafalgar 1585:Temeraire 1565:Belleisle 1551:Alexandra 1537:Swiftsure 1530:Audacious 1433:Royal Oak 1276:903567669 1247:The Times 984:Citations 898:arc lamps 896:to power 859:Temeraire 853:Alexandra 842:Agamemnon 840:HMS  833:HMS  763:HMS  706:Torpedoes 692:HMS  685:HMS  680:Iron Duke 678:HMS  671:HMS  653:, at the 631:gunpowder 599:HMS  570:Gibraltar 528:Main guns 509:Agamemnon 507:HMS  500:HMS  487:The Times 482:Admiralty 402:Plans of 358:Armstrong 315:Victorian 127:Laid down 67:HMS  1741:Cerberus 1732:Monitors 1700:Scorpion 1666:Victoria 1659:Colossus 1523:Hercules 1516:Penelope 1481:Favorite 1467:Research 1419:Minotaur 1412:Achilles 1311:(1972). 687:Victoria 673:Vanguard 318:ironclad 242:Armament 135:Launched 122:£812,000 1762:Cyclops 1755:Glatton 1707:Hotspur 1631:Neptune 1617:Captain 1610:Monarch 1591:Admiral 1495:Repulse 1488:Zealous 1398:Defence 1391:Warrior 978:Chatham 949:of 1881 887:torpedo 783:in 1881 728:⁄ 601:Neptune 408:Brassey 337:in the 325:turrets 237:440–470 202:Draught 109:Builder 90:History 1714:Rupert 1558:Superb 1544:Sultan 1502:Pallas 1405:Hector 1337:(1876) 1301:  1289:  1274:  1219:  1189:  1143:  1118:  1088:  1056:  1005:  765:Nettle 755:canvas 627:glacis 429:Duillo 393:Design 376:armour 364:, and 347:Duilio 313:was a 282:Armour 179:Length 966:' 891:volts 751:oakum 622:' 574:Malta 411:' 226:Range 218:Speed 84:class 1652:Ajax 1333:HMS 1299:ISBN 1287:ISBN 1272:OCLC 1217:ISBN 1187:ISBN 1141:ISBN 1116:ISBN 1086:ISBN 1054:ISBN 1003:ISBN 939:HMS 902:Swan 851:HMS 838:and 835:Ajax 797:port 753:and 743:cork 572:and 505:and 502:Ajax 350:and 308:HMS 254:6 × 247:4 × 194:Beam 151:Fate 119:Cost 82:Ajax 48:HMS 814:at 690:by 676:by 641:Ram 1800:: 1201:^ 1155:^ 1100:^ 1068:^ 1038:^ 972:. 943:, 894:DC 467:MP 341:. 1781:X 1775:S 1366:e 1359:t 1352:v 1278:. 1225:. 1195:. 1149:. 1124:. 1094:. 1062:. 1011:. 730:8 726:5 34:. 20:)

Index

HMS Inflexible (1881)
HMS Inflexible

HMS Dreadnought (1875)
Ajax class
Portsmouth Dockyard
16-inch (406.4 mm) 80-ton muzzle-loading rifles
20-pounder breech loaders
BL 4-inch (100 mm) guns
QF 4.7-inch (120-mm) guns
torpedo tubes
Victorian
ironclad
battleship
turrets
Royal Navy
Regia Marina
Mediterranean
Duilio
Enrico Dandolo
Armstrong
British Mediterranean Squadron
armour
armoured centre section
armoured sides

William Froude
William White
Portsmouth

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