Knowledge (XXG)

HMS G12

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torpedo tubes on the beam. This was revised, however, while they were under construction, the 21-inch tube was moved to the stern and two additional 18-inch tubes were added in the bow. They carried two 21-inch and eight 18-inch torpedoes. The G-class submarines were also armed with a single 3-inch
711: 515: 685: 716: 353:(26.39 km/h; 16.40 mph) on the surface and 9 knots (17 km/h; 10 mph) underwater. On the surface, the G class had a range of 2,400 508: 484: 446: 680: 320:
703 long tons (714 t) on the surface and 837 long tons (850 t) submerged. The G-class submarines had a crew of 30 officers and
706: 501: 465: 721: 653: 647: 524: 277: 115: 437: 368: 361: 259: 250: 304:
submarines for overseas duties. The submarines had a length of 187 feet 1 inch (57.0 m)
726: 317: 480: 461: 442: 297: 342: 309: 432: 346: 305: 231:(4,400 km; 2,800 mi) at 12.5 kn (23.2 km/h; 14.4 mph) surfaced 177: 700: 354: 338: 228: 193: 438:
Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy
364: 321: 313: 253: 350: 301: 285: 211: 335: 328: 281: 170: 493: 345:. When submerged each propeller was driven by a 420-horsepower (313 kW) 392: 118: 373: 357:(4,400 km; 2,800 mi) at 16 knots (30 km/h; 18 mph). 25: 626: 619: 605: 598: 396: 332: 68: 591: 584: 577: 570: 563: 556: 549: 542: 535: 497: 399:. She survived the war and was sold for scrap in 1920. 327:
For surface running, the boats were powered by two 800-
300:
in response to a rumour that the Germans were building
312:
of 22 feet 8 inches (6.9 m) and a mean
479:. New Vanguard. Vol. 145. Oxford, UK: Osprey. 456:Gardiner, Robert & Gray, Randal, eds. (1985). 458:Conway's All the World's Fighting Ships 1906–1921 316:of 13 feet 4 inches (4.1 m). They 460:. Annapolis, Maryland: Naval Institute Press. 509: 441:(Rev. ed.). London: Chatham Publishing. 360:The boats were intended to be armed with one 217:9 knots (17 km/h; 10 mph) submerged 8: 712:World War I submarines of the United Kingdom 296:The G-class submarines were designed by the 30:A G-class submarine before bow modification. 686:List of submarine classes of the Royal Navy 516: 502: 494: 214:(26.39 km/h; 16.40 mph) surfaced 407: 20: 415: 413: 411: 40: 7: 681:List of submarines of the Royal Navy 391:s role was to patrol an area of the 133:837 long tons (850 t) submerged 143:187 ft 1 in (57.0 m) 130:703 long tons (714 t) surfaced 324:. They had a partial double hull. 102:Sold, 14 February 1920 to JG Potts 14: 477:British Submarines of World War I 159:13 ft 4 in (4.1 m) 151:22 ft 8 in (6.9 m) 717:Ships built in Barrow-in-Furness 42: 24: 1: 384:Like the rest of her class, 176:840 hp (630 kW) ( 16:Submarine of the Royal Navy 743: 707:British G-class submarines 525:British G-class submarines 419:Gardiner & Gray, p. 90 676: 662: 642: 531: 475:McCartney, Innes (2008). 349:. They could reach 14.25 278:British G-class submarine 106: 35: 23: 173:(1,200 kW) (diesel) 435:; Warlow, Ben (2006) . 107:General characteristics 362:21-inch (53.3 cm) 260:21-inch (53.3 cm) 722:Royal Navy ship names 395:in search of German 369:18-inch (45 cm) 251:18-inch (45 cm) 367:in the bow and two 341:, each driving one 198:2 × electric motors 694: 693: 486:978-1-84603-334-6 448:978-1-86176-281-8 268: 267: 734: 518: 511: 504: 495: 490: 471: 452: 420: 417: 390: 329:brake-horsepower 50: 47: 46: 45: 28: 21: 742: 741: 737: 736: 735: 733: 732: 731: 697: 696: 695: 690: 672: 658: 638: 527: 522: 487: 474: 468: 455: 449: 433:Colledge, J. J. 431: 428: 423: 418: 409: 405: 388: 382: 343:propeller shaft 294: 164:Installed power 48: 43: 41: 31: 17: 12: 11: 5: 740: 738: 730: 729: 724: 719: 714: 709: 699: 698: 692: 691: 689: 688: 683: 677: 674: 673: 671: 670: 667: 663: 660: 659: 657: 656: 650: 643: 640: 639: 637: 636: 631: 624: 617: 610: 603: 596: 589: 582: 575: 568: 561: 554: 547: 540: 532: 529: 528: 523: 521: 520: 513: 506: 498: 492: 491: 485: 472: 466: 453: 447: 427: 424: 422: 421: 406: 404: 401: 381: 378: 372:(7.6 cm) 355:nautical miles 347:electric motor 339:diesel engines 331:(597 kW) 293: 290: 280:built for the 266: 265: 264: 263: 256: 245: 241: 240: 237: 233: 232: 225: 221: 220: 219: 218: 215: 206: 202: 201: 200: 199: 196: 194:diesel engines 188: 184: 183: 182: 181: 178:electric motor 174: 165: 161: 160: 157: 153: 152: 149: 145: 144: 141: 137: 136: 135: 134: 131: 126: 122: 121: 113: 112:Class and type 109: 108: 104: 103: 100: 96: 95: 92: 88: 87: 84: 80: 79: 76: 72: 71: 66: 62: 61: 56: 52: 51: 49:United Kingdom 38: 37: 33: 32: 29: 15: 13: 10: 9: 6: 4: 3: 2: 739: 728: 725: 723: 720: 718: 715: 713: 710: 708: 705: 704: 702: 687: 684: 682: 679: 678: 675: 668: 665: 664: 661: 655: 652:Followed by: 651: 649: 646:Preceded by: 645: 644: 641: 635: 632: 630: 629: 625: 623: 622: 618: 616: 615: 611: 609: 608: 604: 602: 601: 597: 595: 594: 590: 588: 587: 583: 581: 580: 576: 574: 573: 569: 567: 566: 562: 560: 559: 555: 553: 552: 548: 546: 545: 541: 539: 538: 534: 533: 530: 526: 519: 514: 512: 507: 505: 500: 499: 496: 488: 482: 478: 473: 469: 467:0-85177-245-5 463: 459: 454: 450: 444: 440: 439: 434: 430: 429: 425: 416: 414: 412: 408: 402: 400: 398: 394: 387: 379: 377: 375: 370: 366: 363: 358: 356: 352: 348: 344: 340: 337: 334: 330: 325: 323: 319: 315: 311: 307: 303: 302:double-hulled 299: 291: 289: 287: 283: 279: 275: 274: 261: 257: 255: 254:torpedo tubes 252: 248: 247: 246: 243: 242: 238: 235: 234: 230: 226: 223: 222: 216: 213: 209: 208: 207: 204: 203: 197: 195: 191: 190: 189: 186: 185: 179: 175: 172: 168: 167: 166: 163: 162: 158: 155: 154: 150: 147: 146: 142: 139: 138: 132: 129: 128: 127: 124: 123: 120: 117: 114: 111: 110: 105: 101: 98: 97: 93: 90: 89: 86:24 March 1916 85: 82: 81: 77: 74: 73: 70: 67: 64: 63: 60: 57: 54: 53: 39: 34: 27: 22: 19: 633: 627: 620: 613: 612: 606: 599: 592: 585: 578: 571: 564: 557: 550: 543: 536: 476: 457: 436: 385: 383: 365:torpedo tube 359: 326: 295: 272: 270: 269: 262:torpedo tube 125:Displacement 94:15 June 1916 91:Commissioned 78:7 April 1915 58: 18: 292:Description 286:World War I 227:2,400  169:1,600  727:1916 ships 701:Categories 426:References 336:two-stroke 282:Royal Navy 236:Complement 187:Propulsion 669:Cancelled 393:North Sea 318:displaced 298:Admiralty 119:submarine 75:Laid down 374:deck gun 244:Armament 83:Launched 654:H class 648:W class 397:U-boats 333:Vickers 322:ratings 306:overall 284:during 156:Draught 116:G-class 69:Vickers 65:Builder 36:History 483:  464:  445:  380:Career 276:was a 210:14.25 140:Length 403:Notes 389:' 351:knots 314:draft 224:Range 212:knots 205:Speed 481:ISBN 462:ISBN 443:ISBN 310:beam 308:, a 271:HMS 258:1 × 249:4 × 192:2 × 148:Beam 99:Fate 55:Name 634:G15 628:G14 621:G13 614:G12 607:G11 600:G10 386:G12 273:G12 229:nmi 171:bhp 59:G12 703:: 593:G9 586:G8 579:G7 572:G6 565:G5 558:G4 551:G3 544:G2 537:G1 410:^ 376:. 288:. 239:30 666:X 517:e 510:t 503:v 489:. 470:. 451:. 180:)

Index


Vickers
G-class
submarine
bhp
electric motor
diesel engines
knots
nmi
18-inch (45 cm)
torpedo tubes
21-inch (53.3 cm)
British G-class submarine
Royal Navy
World War I
Admiralty
double-hulled
overall
beam
draft
displaced
ratings
brake-horsepower
Vickers
two-stroke
diesel engines
propeller shaft
electric motor
knots
nautical miles

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