Knowledge

BL 7.5-inch Mk II – V naval gun

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Mk II (coast defence) : 2840 ft/second with 62 lb 12 oz cordite MD size 26 (Special for India)(Hogg & Thurston 1972 p. 151); Mk II* & V : 2800 ft/second with 61 lb cordite MD size 26; Mk III & IV : 2765 ft/second with 54 lb 4 oz cordite MD size 26
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to designate versions or models ("Mark" abbreviated as "Mk") until after World War II. Hence this articles covers the second through fifth model/version/Mark of British BL 7.5-inch naval guns
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was decommissioned in 1917 and her guns were used for coast defence in Britain, as siege guns on the Belgian coast near Nieuport for attacking German batteries, and on
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These were built and employed specifically as naval guns and were mounted as secondary armament as a heavier alternative to 6-inch guns, on the following ships :
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several reserve guns made for India but still in the UK were employed as coastal defence guns in the UK. They were scrapped or sent to India soon after the war.
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and Thurston, L.F. (1972). British Artillery Weapons & Ammunition 1914–1918. Ian Allan, London.
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Mark II guns were originally developed to suit India's coastal defence requirements. During
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they were building for Chile. Britain acquired them by default in 1903 when she bought
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they were building for Chile. Britain acquired them by default when she bought
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British 7.5"/50 (19 cm) Mark III 7.5"/50 (19 cm) Mark IV
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British 7.5"/50 (19 cm) Mark II 7.5"/50 (19 cm) Mark V
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in 1903 to avoid the risk of the ship being acquired by Russia.
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Mk II coast defence gun. Hogg & Thurston 1972, p. 151
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Range Tables for His Majesty's Fleet, 1910 February 1911
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2,765 to 2,840 feet per second (843 to 866 m/s)
1616: 1187:1.59-inch breech-loading Vickers Q.F. gun, Mk II 1630:World War I naval weapons of the United Kingdom 305:being transported in Belgium in 1917. Photo by 44:under construction at the Vickers Works, Barrow 1119: 561: 1126: 1112: 568: 554: 395: 293: 277: 233: 260:laid down 1903–04, commissioned 1906–07 1617: 1107: 549: 414:Two Mk II coast-defence guns made by 391: 283:Forward port Mk III casemate guns on 229: 25:Ordnance BL 7.5-inch Mk II–Mk V guns 1470:Livens Large Gallery Flame Projector 269:laid down 1905, commissioned 1908–09 239:Starboard secondary Mk V battery on 13: 14: 1651: 541: 130:14½ - 16 tons barrel & breech 1625:Naval guns of the United Kingdom 509:Hogg & Thurston 1972, p. 150 141:375 inches (9,520 mm); (50 31: 1566:BL 9.2-inch Mk IX – X naval gun 1324:BL 8-inch howitzer Mk VI – VIII 516: 1556:QF 4-inch naval gun Mk I – III 763:QF 14-pounder Maxim-Nordenfelt 503: 494: 476: 452: 205:naval guns used by Britain in 185:Maximum firing range 1: 1403:QF 3.7-inch mountain howitzer 469: 117:Mks II, II*, II**, III, IV, V 1493:QF 2-pounder "pom-pom" Mk II 1340:BL 7.5-inch Mk III naval gun 924:QF 2-pounder "pom-pom" Mk II 313:Mark III guns were built by 188:14,200 yards (13,000 m) 7: 1599:BL 12-inch railway howitzer 1319:BL 8-inch howitzer Mk I – V 768:QF 14-pounder Mk I & II 683:EOC 12-inch 45 cal. Mk XIII 433: 273: 10: 1656: 1561:BL 6-inch Mk VII naval gun 1455:Smoke and chemical weapons 1388:BL 10-pounder mountain gun 1350:BL 9.2-inch Mk X naval gun 1011:Spherical Mk I, II and III 844:QF 12-pounder 12 cwt Mk II 678:BL 12-inch Mk XI & XII 359:Mark IV guns were made by 354: 217: 212: 1579: 1541: 1478: 1454: 1411: 1398:QF 2.95-inch mountain gun 1393:BL 2.75-inch mountain gun 1383:RML 2.5-inch mountain gun 1373: 1360:BL 12-inch Mk X naval gun 1332: 1314:BL 6-inch 30 cwt howitzer 1309:BL 6-inch 26 cwt howitzer 1263: 1195: 1177: 1148: 1085: 1029: 1001: 973: 942: 914: 893: 872: 831: 745: 716: 642: 587: 184: 174: 164: 160:200 pounds (90.7 kg) 154: 149: 134: 126: 121: 113: 108: 98: 84: 76: 71: 64:Place of origin 63: 49: 30: 23: 1431:Vickers 1.57-inch mortar 950:.303 Vickers machine gun 823:BL 7.5-inch Mk II – Mk V 703:EOC 14-inch 45 cal. Mk I 445: 267:-class armoured cruisers 258:-class armoured cruisers 199:7.5-inch Mk II–Mk V guns 170:7.5 inches (191 mm) 1589:BL 9.2-inch railway gun 818:BL 6-inch Mk XIII-XVIII 653:Vickers 10-inch 45 cal. 1604:BL 14-inch railway gun 1594:BL 12-inch railway gun 1446:9.45-inch Heavy Mortar 1164:QF 6-pounder Hotchkiss 1030:Anti-submarine weapons 965:QF 6-pounder Hotchkiss 955:QF 3-pounder Hotchkiss 873:Merchant ship armament 837:small cruiser armament 746:Secondary armament and 688:BL 13.5-inch Mk I – IV 489:Treatise on Ammunition 410: 317:to arm the battleship 310: 291: 247: 1421:Garland trench mortar 880:QF 4.7-inch Mk I – IV 579:naval weapons of the 428:Photographs on Flickr 399: 297: 281: 237: 201:were a variety of 50- 1551:QF 12-pounder 12 cwt 1503:QF 12-pounder 12 cwt 1488:QF 1-pounder pom-pom 1461:4-inch Stokes Mortar 1441:Newton 6-inch mortar 1436:2-inch medium mortar 1426:3-inch Stokes mortar 1345:BL 9.2-inch howitzer 1304:BL 6-inch gun Mk XIX 1299:BL 6-inch gun Mk VII 1294:BLC 6-inch siege gun 1284:BL 5.4-inch howitzer 1255:QF 4.5-inch howitzer 1250:BL 4-inch gun Mk VII 1245:QF 4-inch gun Mk III 1215:QF 12-pounder 18 cwt 1159:QF 3-pounder Vickers 960:QF 3-pounder Vickers 798:QF 6-inch Mk I – III 758:QF 12-pounder 18 cwt 388:in British service. 338:in British service. 176:Muzzle velocity 1518:QF 13-pounder 9 cwt 1513:QF 13-pounder Mk IV 1508:QF 13-pounder 6 cwt 1365:BL 15-inch howitzer 1355:BL 12-inch howitzer 1210:QF 12-pounder 8 cwt 1205:BL 12-pounder 6 cwt 1093:QF 12-pounder 8 cwt 1067:Type G Depth charge 1062:Type F Depth charge 1057:Type E Depth charge 1052:Type D Depth charge 1047:Type C Depth charge 1042:Type B Depth charge 1037:Type A Depth charge 983:18-inch Mk V – VIII 658:EOC 10-inch 45 cal. 603:BL 9.2-inch Mk VIII 363:for the battleship 1480:Anti-aircraft guns 1375:Mountain artillery 1279:BL 5-inch howitzer 1169:QF 6-pounder 6 cwt 916:Anti-aircraft guns 698:BL 13.5-inch Mk VI 663:BL 12-inch Mk VIII 618:BL 12-inch Mk VIII 613:BL 9.2-inch Mk XII 440:List of naval guns 411: 392:Surviving examples 311: 292: 248: 230:Marks II*, II**, V 109:Production history 1640:Coastal artillery 1612: 1611: 1543:Coastal artillery 1289:BL 60-pounder gun 1101: 1100: 1077:7.5-inch howitzer 1016:Vickers Elia mine 885:QF 4.7-inch Mk V* 854:BL 4-inch Mk VIII 737:BL 9.2-inch Mk XI 693:BL 13.5-inch Mk V 598:BL 9.2-inch Mk VI 426:, Mumbai, India. 192: 191: 58:Coast defence gun 1647: 1635:190 mm artillery 1523:QF 3-inch 20 cwt 1465:Livens Projector 1150:Armoured vehicle 1128: 1121: 1114: 1105: 1104: 929:QF 3-inch 20 cwt 906:QF 4-inch Mk XII 864:BL 4.7-inch Mk I 849:QF 4-inch Mk III 813:BL 6-inch Mk XII 803:BL 6-inch Mk VII 793:BL 5.5-inch Mk I 778:BL 4-inch Mk VII 773:QF 4-inch Mk III 732:BL 9.2-inch Mk X 727:BL 7.5-inch Mk I 718:Armoured cruiser 668:BL 12-inch Mk IX 623:BL 14-inch Mk II 608:BL 9.2-inch Mk X 570: 563: 556: 547: 546: 534:Tony DiGiulian, 528:Tony DiGiulian, 510: 507: 501: 498: 492: 480: 463: 456: 424:Elephanta Island 407:Elephanta Island 315:Elswick Ordnance 299:Mk III gun from 289:, Gallipoli 1915 35: 26: 21: 20: 1655: 1654: 1650: 1649: 1648: 1646: 1645: 1644: 1615: 1614: 1613: 1608: 1575: 1537: 1474: 1450: 1407: 1369: 1333:Siege artillery 1328: 1274:QF 4.7-inch gun 1266:heavy artillery 1259: 1197:Field artillery 1191: 1173: 1144: 1142:First World War 1132: 1102: 1097: 1081: 1025: 997: 969: 938: 910: 901:BL 4-inch Mk XI 889: 868: 859:QF 4-inch Mk IV 836: 827: 808:BL 6-inch Mk XI 788:BL 4-inch Mk IX 747: 741: 712: 708:BL 15-inch Mk I 673:BL 12-inch Mk X 638: 634:BL 18-inch Mk I 629:BL 15-inch Mk I 583: 581:First World War 574: 544: 519: 514: 513: 508: 504: 499: 495: 481: 477: 472: 467: 466: 457: 453: 448: 436: 409: 394: 357: 309: 290: 276: 246: 232: 220: 215: 150: 91: 77:In service 72:Service history 56: 45: 24: 19: 12: 11: 5: 1653: 1643: 1642: 1637: 1632: 1627: 1610: 1609: 1607: 1606: 1601: 1596: 1591: 1585: 1583: 1577: 1576: 1574: 1573: 1568: 1563: 1558: 1553: 1547: 1545: 1539: 1538: 1536: 1535: 1533:QF 4-inch Mk V 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897: 895: 894:Submarine guns 891: 890: 888: 887: 882: 876: 874: 870: 869: 867: 866: 861: 856: 851: 846: 840: 838: 829: 828: 826: 825: 820: 815: 810: 805: 800: 795: 790: 785: 783:QF 4-inch Mk V 780: 775: 770: 765: 760: 754: 752: 743: 742: 740: 739: 734: 729: 723: 721: 714: 713: 711: 710: 705: 700: 695: 690: 685: 680: 675: 670: 665: 660: 655: 649: 647: 640: 639: 637: 636: 631: 626: 620: 615: 610: 605: 600: 594: 592: 585: 584: 577:British Empire 573: 572: 565: 558: 550: 543: 542:External links 540: 539: 538: 532: 526: 518: 515: 512: 511: 502: 493: 474: 473: 471: 468: 465: 464: 460:Roman numerals 450: 449: 447: 444: 443: 442: 435: 432: 431: 430: 400: 393: 390: 373:together with 356: 353: 298: 282: 275: 272: 271: 270: 261: 238: 231: 228: 219: 216: 214: 211: 190: 189: 186: 182: 181: 178: 172: 171: 168: 162: 161: 158: 152: 151: 147: 146: 139: 132: 131: 128: 124: 123: 122:Specifications 119: 118: 115: 111: 110: 106: 105: 100: 96: 95: 86: 82: 81: 78: 74: 73: 69: 68: 67:United Kingdom 65: 61: 60: 51: 47: 46: 36: 28: 27: 17: 9: 6: 4: 3: 2: 1652: 1641: 1638: 1636: 1633: 1631: 1628: 1626: 1623: 1622: 1620: 1605: 1602: 1600: 1597: 1595: 1592: 1590: 1587: 1586: 1584: 1582: 1578: 1572: 1569: 1567: 1564: 1562: 1559: 1557: 1554: 1552: 1549: 1548: 1546: 1544: 1540: 1534: 1531: 1529: 1528:QF 18-pounder 1526: 1524: 1521: 1519: 1516: 1514: 1511: 1509: 1506: 1504: 1501: 1499: 1496: 1494: 1491: 1489: 1486: 1485: 1483: 1481: 1477: 1471: 1468: 1466: 1463: 1460: 1459: 1457: 1453: 1447: 1444: 1442: 1439: 1437: 1434: 1432: 1429: 1427: 1424: 1422: 1419: 1418: 1416: 1414: 1410: 1404: 1401: 1399: 1396: 1394: 1391: 1389: 1386: 1384: 1381: 1380: 1378: 1376: 1372: 1366: 1363: 1361: 1358: 1356: 1353: 1351: 1348: 1346: 1343: 1341: 1338: 1337: 1335: 1331: 1325: 1322: 1320: 1317: 1315: 1312: 1310: 1307: 1305: 1302: 1300: 1297: 1295: 1292: 1290: 1287: 1285: 1282: 1280: 1277: 1275: 1272: 1271: 1269: 1267: 1264:Medium & 1262: 1256: 1253: 1251: 1248: 1246: 1243: 1241: 1240:QF 18-pounder 1238: 1236: 1235:QF 15-pounder 1233: 1231: 1228: 1226: 1225:BL 15-pounder 1223: 1221: 1220:QF 13-pounder 1218: 1216: 1213: 1211: 1208: 1206: 1203: 1202: 1200: 1198: 1194: 1188: 1185: 1184: 1182: 1180: 1179:Infantry guns 1176: 1170: 1167: 1165: 1162: 1160: 1157: 1156: 1154: 1151: 1147: 1143: 1139: 1136: 1129: 1124: 1122: 1117: 1115: 1110: 1109: 1106: 1094: 1091: 1090: 1088: 1084: 1078: 1075: 1073: 1070: 1068: 1065: 1063: 1060: 1058: 1055: 1053: 1050: 1048: 1045: 1043: 1040: 1038: 1035: 1034: 1032: 1028: 1022: 1019: 1017: 1014: 1012: 1009: 1008: 1006: 1004: 1000: 994: 993:21-inch Mk IV 991: 989: 988:21-inch Mk II 986: 984: 981: 980: 978: 976: 972: 966: 963: 961: 958: 956: 953: 951: 948: 947: 945: 943:Light weapons 941: 935: 932: 930: 927: 925: 922: 921: 919: 917: 913: 907: 904: 902: 899: 898: 896: 892: 886: 883: 881: 878: 877: 875: 871: 865: 862: 860: 857: 855: 852: 850: 847: 845: 842: 841: 839: 834: 830: 824: 821: 819: 816: 814: 811: 809: 806: 804: 801: 799: 796: 794: 791: 789: 786: 784: 781: 779: 776: 774: 771: 769: 766: 764: 761: 759: 756: 755: 753: 751:main armament 750: 749:light cruiser 744: 738: 735: 733: 730: 728: 725: 724: 722: 720:main armament 719: 715: 709: 706: 704: 701: 699: 696: 694: 691: 689: 686: 684: 681: 679: 676: 674: 671: 669: 666: 664: 661: 659: 656: 654: 651: 650: 648: 646:main armament 645: 641: 635: 632: 630: 627: 624: 621: 619: 616: 614: 611: 609: 606: 604: 601: 599: 596: 595: 593: 590: 586: 582: 578: 571: 566: 564: 559: 557: 552: 551: 548: 537: 533: 531: 527: 524: 521: 520: 506: 497: 490: 486: 479: 475: 461: 458:Britain used 455: 451: 441: 438: 437: 429: 425: 421: 417: 413: 412: 408: 404: 398: 389: 387: 386: 380: 376: 372: 368: 367: 362: 352: 350: 348: 343: 339: 337: 336: 330: 326: 322: 321: 316: 308: 307:Ernest Brooks 304: 303: 296: 288: 287: 280: 268: 266: 262: 259: 257: 253: 252: 251: 245: 244: 236: 227: 225: 210: 208: 204: 200: 198: 187: 183: 179: 177: 173: 169: 167: 163: 159: 157: 153: 148: 144: 140: 137: 133: 129: 125: 120: 116: 112: 107: 104: 101: 97: 94: 93:British India 90: 87: 83: 79: 75: 70: 66: 62: 59: 55: 52: 48: 43: 42: 34: 29: 22: 16: 1581:Railway guns 1498:75 mm AA gun 1339: 1086:Landing guns 1072:Cruiser Mine 822: 644:Capital ship 517:Bibliography 505: 496: 478: 454: 422:in 1906, on 418:in 1905 and 384: 378: 375:Constitución 374: 370: 365: 358: 346: 341: 340: 334: 329:Constitución 328: 325:Constitución 324: 320:Constitución 319: 312: 301: 285: 264: 255: 249: 242: 221: 195: 193: 138: length 85:Used by 40: 37:Turrets for 15: 1021:Type H mine 224:World War I 207:World War I 103:World War I 1619:Categories 1571:RML 9-inch 625:(US built) 523:Hogg, I.V. 470:References 351:monitors. 89:Royal Navy 1138:artillery 975:Torpedoes 833:Destroyer 383:HMS  342:Swiftsure 335:Swiftsure 302:Swiftsure 286:Swiftsure 54:Naval gun 18:Naval gun 487:) & 434:See also 379:Libertad 371:Libertad 366:Libertad 274:Mark III 265:Minotaur 243:Minotaur 114:Variants 1413:Mortars 1140:of the 589:Monitor 405:gun on 385:Triumph 381:became 361:Vickers 355:Mark IV 331:became 256:Warrior 218:Mark II 213:History 203:calibre 166:Calibre 143:calibre 80:1905–20 41:Shannon 349:-class 136:Barrel 1003:Mines 491:1915. 446:Notes 401:1906 156:Shell 1152:guns 591:guns 333:HMS 241:HMS 194:The 127:Mass 99:Wars 50:Type 39:HMS 835:and 420:RGF 416:EOC 403:RGF 347:M15 1621:: 377:. 197:BL 1127:e 1120:t 1113:v 569:e 562:t 555:v 483:( 145:)

Index


HMS Shannon
Naval gun
Coast defence gun
Royal Navy
British India
World War I
Barrel
calibre
Shell
Calibre
Muzzle velocity
BL
calibre
World War I
World War I

HMS Minotaur
Warrior-class armoured cruisers
Minotaur-class armoured cruisers

Swiftsure

Swiftsure
Ernest Brooks
Elswick Ordnance
Constitución
HMS Swiftsure
M15-class
Vickers

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