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RML 12-inch 25-ton gun

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MV of 1,300 feet/second firing 600-pound projectile with "Battering charge" of 85 pounds "P" (gunpowder) is quoted in "Treatise on Construction of Service Ordnance 1877", page 348. MV of 1,292 feet/second firing 608 lb 6 oz projectile with "Battering charge" of 85 pounds "P2" (gunpowder) is quoted in
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of mid-late 1800s used as primary armament on British ironclad turret battleships and coastal monitors, and also ashore for coast defence. They were the shorter and less powerful of the two 12-inch (305-mm) British RML guns, the other being the
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While strong, the multiple coils were considered too expensive for construction in quantity. From 1867 guns were built on the simplified and hence cheaper "Fraser" system involving fewer but larger coils similar to the
355:. The guns were not considered a success, with the rifling twist of 1 in 100 increasing to 1 in 50 considered insufficient for accuracy, and guns were retubed in 11-inch (279-mm) calibre when their bores wore out. 441:" were developed which could rotate shells, allowing the deployment of a new range of studless ammunition. Thus, any particular gun potentially operated with a mix of studded and studless ammunition. 634: 1109: 627: 620: 464:(exploding) shells weighed 497 pounds (225.5 kilograms) and were fired with a "Full charge" of 55 pounds (25 kilograms) "P" or 50 pounds (22.7 kilograms) 1099: 433:
When the gun was first introduced projectiles had several rows of "studs" which engaged with the gun's rifling to impart spin. Some time after 1878, "
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Text Book of Gunnery, 1887. LONDON : PRINTED FOR HIS MAJESTY'S STATIONERY OFFICE, BY HARRISON AND SONS, ST. MARTIN'S LANE
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Unit cost of £1,715 13 shillings 5 pence is quoted in "The British Navy" Volume II, 1882, by Sir Thomas Brassey. Page 38
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Treatise on the construction and manufacture of ordnance in the British service. War Office, UK, 1877
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The gun's primary projectile was 600 to 608-pound (272- to 275-kilogram) "
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A 12-inch (305 mm) 25-ton gun in an armoured turret aboard the
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The British Navy, Volume II. London: Longmans, Green and Co. 1882
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Treatise on Construction of Service Ordnance 1877, pages 92-94
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Treatise on Construction of Service Ordnance 1877, page 292
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Rear view of a 12-inch (305 mm) 25-ton gun aboard the
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War Office, UK, 1877 1110:Victorian-era weapons of the United Kingdom 210:Mk I : 23.5 long tons (23,900 kg) 635: 621: 613: 212:Mk II : 25 long tons (25,000 kg) 91: 342:coils on the original Armstrong pattern. 80:Learn how and when to remove this message 308: 223:145 inches (3.7 m) (bore + chamber) 43:This article includes a list of general 519: 470: 545:"Text Book of Gunnery 1887" Table XVI 7: 272:1,300 feet per second (400 m/s) 49:it lacks sufficient corresponding 25: 1100:Naval guns of the United Kingdom 473: 102: 96:Ordnance RML 12-inch 25-ton gun 34: 508:at Drake's Island, Plymouth, UK 452:or 67 pounds (30.4 kilograms) 304:Mk I & II gun construction 1: 363:Guns were mounted on : 338:tube surrounded by multiple 244:497 pounds (225.4 kg) ( 1131: 353:10-inch (254-mm) Mk II gun 284:rifled muzzle-loading guns 1015:QF 12-pounder 12 cwt Mk I 700:Smoothbore muzzle-loading 656:Smoothbore muzzle-loading 227: 101: 812:68-pounder Lancaster gun 1010:QF 6-pounder Nordenfelt 801:Rifled muzzle-loaders ( 280:RML 12-inch 25-ton guns 262:12-inch (304.8 mm) 64:more precise citations. 1005:QF 6-pounder Hotchkiss 1000:QF 3-pounder Hotchkiss 952:BL 9.2-inch Mk I – VII 792:RBL 7-inch 110-pounder 326: 306: 18:RML 12 inch 25 ton gun 1061:1-inch Nordenfelt gun 967:BL 12-inch Mk I – VII 863:RML 64-pounder 64 cwt 845:Rifled muzzle-loaders 835:RML 64-pounder 71 cwt 822:Rifled muzzle-loaders 646:naval weapons of the 312: 302: 942:BL 6-inch Mk II – VI 937:BL 6-inch 80-pounder 770:Rifled breechloaders 514:Notes and references 454:"R.L.G." (gunpowder) 439:automatic gas-checks 268:Muzzle velocity 957:BL 9.2-inch Mk VIII 858:RML 9-pounder 8 cwt 435:attached gas-checks 972:BL 12-inch Mk VIII 898:RML 12-inch 35-ton 893:RML 12-inch 25-ton 737:13-inch Blomefield 732:10-inch Blomefield 599:Sir Thomas Brassey 502:Surviving examples 496:List of naval guns 327: 307: 155:Production history 1115:Coastal artillery 1087: 1086: 1079:Whitehead torpedo 992:Quick-firing guns 760:24-pounder Millar 755:12-pounder Millar 675:32-pounder 55 cwt 276: 275: 135:Coast defence gun 90: 89: 82: 16:(Redirected from 1122: 1105:305 mm artillery 637: 630: 623: 614: 564: 561: 555: 552: 546: 542: 536: 533: 527: 524: 477: 106: 97: 92: 85: 78: 74: 71: 65: 60:this article by 51:inline citations 38: 37: 30: 21: 1130: 1129: 1125: 1124: 1123: 1121: 1120: 1119: 1090: 1089: 1088: 1083: 1065: 1034: 986: 912: 839: 816: 796: 764: 741: 718: 694: 690:Somerset cannon 650: 641: 611: 573: 568: 567: 562: 558: 553: 549: 543: 539: 534: 530: 525: 521: 516: 504: 492: 485: 484: 478: 450:"P" (gunpowder) 431: 361: 348: 332: 325: 305: 297: 243: 228: 211: 140:Service history 134: 123: 95: 86: 75: 69: 66: 56:Please help to 55: 39: 35: 28: 27:Naval artillery 23: 22: 15: 12: 11: 5: 1128: 1126: 1118: 1117: 1112: 1107: 1102: 1092: 1091: 1085: 1084: 1082: 1081: 1075: 1073: 1067: 1066: 1064: 1063: 1058: 1056:Nordenfelt gun 1053: 1048: 1042: 1040: 1036: 1035: 1033: 1032: 1027: 1022: 1017: 1012: 1007: 1002: 996: 994: 988: 987: 985: 984: 979: 974: 969: 964: 959: 954: 949: 944: 939: 934: 929: 923: 921: 918:Breech-loaders 914: 913: 911: 910: 905: 900: 895: 890: 885: 880: 875: 870: 865: 860: 854: 852: 841: 840: 838: 837: 831: 829: 818: 817: 815: 814: 808: 806: 798: 797: 795: 794: 789: 787:RBL 40-pounder 784: 782:RBL 20-pounder 779: 775: 773: 766: 765: 763: 762: 757: 751: 749: 743: 742: 740: 739: 734: 728: 726: 720: 719: 717: 716: 714:10-inch 86 cwt 711: 705: 703: 696: 695: 693: 692: 687: 682: 680:32-pounder gun 677: 672: 667: 661: 659: 652: 651: 644:British Empire 642: 640: 639: 632: 625: 617: 610: 609:External links 607: 606: 605: 596: 592:2012-12-04 at 584: 579: 572: 569: 566: 565: 556: 547: 537: 528: 518: 517: 515: 512: 511: 510: 503: 500: 499: 498: 491: 488: 487: 486: 480: 479: 472: 430: 427: 426: 425: 415: 405: 395: 385: 375: 360: 357: 347: 344: 331: 328: 313: 303: 296: 293: 274: 273: 270: 264: 263: 260: 254: 253: 236: 230: 229: 225: 224: 221: 214: 213: 208: 204: 203: 202:Specifications 199: 198: 195: 191: 190: 187: 183: 182: 179: 178:Unit cost 175: 174: 169: 165: 164: 161: 157: 156: 152: 151: 146: 142: 141: 137: 136: 129: 125: 124: 107: 99: 98: 88: 87: 42: 40: 33: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1127: 1116: 1113: 1111: 1108: 1106: 1103: 1101: 1098: 1097: 1095: 1080: 1077: 1076: 1074: 1072: 1068: 1062: 1059: 1057: 1054: 1052: 1049: 1047: 1044: 1043: 1041: 1039:Light weapons 1037: 1031: 1028: 1026: 1023: 1021: 1018: 1016: 1013: 1011: 1008: 1006: 1003: 1001: 998: 997: 995: 993: 989: 983: 982:BL 16.25-inch 980: 978: 975: 973: 970: 968: 965: 963: 960: 958: 955: 953: 950: 948: 945: 943: 940: 938: 935: 933: 930: 928: 925: 924: 922: 920:(new pattern) 919: 915: 909: 906: 904: 903:RML 12.5-inch 901: 899: 896: 894: 891: 889: 886: 884: 881: 879: 876: 874: 871: 869: 866: 864: 861: 859: 856: 855: 853: 850: 846: 842: 836: 833: 832: 830: 827: 823: 819: 813: 810: 809: 807: 804: 799: 793: 790: 788: 785: 783: 780: 778:RBL 9 pounder 777: 776: 774: 771: 767: 761: 758: 756: 753: 752: 750: 748: 744: 738: 735: 733: 730: 729: 727: 725: 721: 715: 712: 710: 707: 706: 704: 701: 697: 691: 688: 686: 683: 681: 678: 676: 673: 671: 668: 666: 663: 662: 660: 657: 653: 649: 648:Victorian era 645: 638: 633: 631: 626: 624: 619: 618: 615: 608: 604: 600: 597: 595: 594:archive.today 591: 588: 585: 583: 580: 578: 575: 574: 570: 560: 557: 551: 548: 541: 538: 532: 529: 523: 520: 513: 509: 506: 505: 501: 497: 494: 493: 489: 483: 482:Palliser shot 476: 471: 469: 467: 463: 459: 455: 451: 447: 442: 440: 436: 428: 423: 421: 416: 413: 411: 406: 403: 401: 396: 393: 391: 386: 383: 381: 376: 373: 371: 366: 365: 364: 359:Naval service 358: 356: 354: 345: 343: 341: 337: 329: 323: 322: 317: 311: 301: 294: 292: 290: 285: 281: 271: 269: 265: 261: 259: 255: 251: 247: 241: 237: 235: 231: 226: 222: 219: 215: 209: 205: 200: 196: 192: 188: 184: 180: 176: 173: 172:Royal Arsenal 170: 166: 162: 158: 153: 150: 147: 143: 138: 133: 130: 126: 121: 117: 116: 111: 105: 100: 93: 84: 81: 73: 63: 59: 53: 52: 46: 41: 32: 31: 19: 977:BL 13.5-inch 892: 571:Bibliography 559: 550: 540: 531: 522: 443: 432: 422: (1879) 419: 412: (1876) 409: 402: (1871) 399: 392: (1870) 389: 382: (1868) 379: 372: (1869) 369: 362: 349: 340:wrought iron 333: 320: 279: 277: 220: length 168:Manufacturer 145:Used by 114: 76: 67: 48: 1051:Gardner gun 1046:Gatling gun 1025:QF 4.7-inch 908:RML 16-inch 888:RML 11-inch 883:RML 10-inch 772:(Armstrong) 282:were large 197:Mk I, Mk II 189:1866 – 187? 62:introducing 1094:Categories 962:BL 10-inch 878:RML 9-inch 873:RML 8-inch 868:RML 7-inch 702:shell guns 685:68-pounder 670:24-pounder 665:18-pounder 429:Ammunition 336:mild steel 289:35-ton gun 149:Royal Navy 70:April 2011 45:references 1071:Torpedoes 1030:QF 6-inch 1020:QF 4-inch 947:BL 8-inch 932:BL 5-inch 927:BL 4-inch 826:converted 803:Lancaster 747:Howitzers 424: : 4 418:HMS  414: : 4 410:Belleisle 408:HMS  404: : 2 398:HMS  394: : 2 388:HMS  384: : 4 378:HMS  374: : 4 368:HMS  163:1864–1866 132:Naval gun 849:Woolwich 590:Archived 490:See also 466:"R.L.G." 458:Shrapnel 446:Palliser 250:Shrapnel 240:Palliser 194:Variants 186:Produced 160:Designed 724:Mortars 658:cannons 400:Glatton 390:Hotspur 380:Monarch 370:Captain 346:Mark II 321:Hotspur 258:Calibre 115:Hotspur 58:improve 709:8-inch 462:Common 330:Mark I 295:Design 248:& 246:Common 218:Barrel 181:£1,716 47:, but 420:Orion 234:Shell 120:shell 460:and 319:HMS 278:The 207:Mass 128:Type 118:. A 113:HMS 316:ram 110:ram 1096:: 601:, 468:. 291:. 851:) 847:( 828:) 824:( 805:) 636:e 629:t 622:v 324:. 252:) 242:) 83:) 77:( 72:) 68:( 54:. 20:)

Index

RML 12 inch 25 ton gun
references
inline citations
improve
introducing
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ram
HMS Hotspur
shell
Naval gun
Royal Navy
Royal Arsenal
Barrel
Shell
Palliser
Common
Shrapnel
Calibre
Muzzle velocity
rifled muzzle-loading guns
35-ton gun


ram
HMS Hotspur
mild steel
wrought iron
10-inch (254-mm) Mk II gun
HMS Captain (1869)

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