Knowledge (XXG)

Smith Gun

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but one of the unconventional aspects of the design was when mobile the weapon lay on its side, so that to fire a Smith Gun had to be tipped over onto one of the wheels, which acted as a combined base plate and turntable, while the other proved some overhead protection for the crew. (This meant in firing configuration the Smith Gun resembled a miniature, rather antiquated, naval gun mount of the pre-Dreadnought era.)
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the ammunition for the weapons; a delay in manufacturing anti-tank ammunition meant that each weapon was only supplied with six or seven rounds. A number of Smith Guns were also issued to regular army units tasked with guarding airfields. Soon after issue a malfunction caused an explosion resulting in the death of Corporal Maynard of 2819 Squadron,
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properly handled, will add greatly to the fire power of the Home Guard." After a period of initial distrust, many Home Guard units appear to have taken to the Smith Gun and attempted to make the best use of it: Mackenzie states that some units even had 'a growing sense of affection for the weapon' and describes how, when a letter was published in
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Production on the Smith Guns began in late 1941, but problems with their manufacture meant that it was not until mid-1942 that the first batch were delivered to the Home Guard; by the beginning of 1943, a total of 3,049 Smith Guns had been issued to Home Guard units. Production problems also affected
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The Smith Gun consisted of a 3-inch (76 mm) calibre smooth-bore barrel, 54 inches (1,400 mm) in length, and mounted on a carriage 'like a two-wheeled baby carriage', but weighing approximately 604 pounds (274 kg). A basic shield was provided between the two wheels to cover for the crew
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was not well-equipped to defend the country in such an event; in the weeks after the Dunkirk evacuation it could only field twenty-seven divisions. The Army was particularly short of anti-tank guns, 840 of which had been left behind in France, and only 167 were available in Britain; ammunition was so
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Despite the many problems with the weapon, and its tendency to injure or even kill those who manned it, the government attempted to portray it in a positive light, issuing special instructions in the autumn of 1942 which stated that the Smith Gun was a "simple, powerful and accurate weapon which, if
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This unorthodox deployment gave the Smith Gun 360 degrees of rotation which, combined with a maximum 40-degree elevation, produced a basic firing-plate-mounted field weapon light enough to be towed behind a civilian vehicle, despite not being designed for this. (Home Guard units quickly discovered
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be used to manoeuvre the weapon into position. The low muzzle velocity meant that shells were lobbed in a high curved trajectory, making precise range calculations and firing experience vital. This was difficult when so few rounds were available for training, a problem compounded by early batches
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The Smith Gun was capable of firing both anti-personnel and anti-tank rounds (the latter capable of penetrating some 60 mm of armour), and provided the Home Guard and local defence units with a potentially potent anti-personnel and anti-armour weapon. However, there were several flaws in its
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It was also alleged to have developed 'a terrifying reputation for killing its crew' when finally issued in 1942, following production difficulties. It was issued mainly to Home Guard units and those units in the regular Army tasked with point defence, such as guarding airfields - and ammunition
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of 1,600 yards (1,500 m), it was generally regarded as a short-range weapon with an accepted effective range of between 100 and 300 yards (90–270 m). Furthermore, it was heavy and awkward to manhandle, not simply to move around but also to tip over onto the correct wheel on firm level
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shortages meant that on average these units only had six or seven modified mortar rounds per gun. Despite these limitations, many Home Guard units developed an attachment to the weapon, some later claiming it was 'one of the best pieces of equipment ever issued to the force'.
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that led to the Smith Gun's alleged 'terrifying reputation for killing its crew'. (This probably arises from the first fatal malfunction when, during a live-fire exercise in 1942, Corporal Cecil Edward Maynard of 2819 Squadron, RAF Regiment was killed in an explosion.)
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this fact, having to be prohibited from doing so as it would damage the weapon's wheels (and possibly the axle), inhibiting or even preventing traverse.) Happily, ammunition shortages made the similarly-constructed limber redundant and so a source of spare parts.
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towards the end of the conflict criticizing the weapon, numerous Home Guard volunteers replied with their own letters describing how satisfactory the Smith Gun had been; they also stated that it was 'one of the best pieces of equipment ever issued to the force'.
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design, and as such it was not well liked by some of the Home Guard units to which it was issued. It was heavy and awkward to manhandle, particularly over rough ground and in urban areas; in the latter, it was recommended that
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weapons, one such being the Smith Gun. The Smith Gun had what Mackenzie describes as an 'unorthodox origin', like many of the other weapons produced for use by the Home Guard. Invented by retired British Army
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William H. Smith, the managing director of Trianco Ltd., a firm of structural engineers. The Smith Gun was intended to be a cheap and easily manufactured anti-tank weapon.
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The weapon consisted of a 3-inch (76 mm) smooth-bore barrel approximately 54 inches (1,400 mm) long mounted on a carriage and capable of firing both modified
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anti-tank and anti-personnel rounds. Despite the promising-sounding nature of the weapon, which at trials in ideal conditions achieved a
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Given these shortcomings, those modern weapons that were available were allocated to the British Army, and the
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scarce for the remaining guns that regulations forbade even a single round being used for training purposes.
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was forced to supplement the meagre amount of outdated anti-tank weapons and ammunition they had with
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No Smith Guns were used in active service, and they were declared to be obsolete in 1945.
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When submitted to the Ordnance Board - which remained unconvinced of its merits -
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ground so it lay in, and remained in, the correct firing configuration.
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The Last Ditch: Britain's Secret Resistance and the Nazi Invasion Plan
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Winston Churchill shown watching demonstration of the Smith Gun
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Gander, Terry J (2005). "Desperate Measures: The Smith Gun".
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Lowry, Bernard; Taylor, Chris; Boulanger, Vincent (2004).
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of Great Britain seeming likely after the defeat in the
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Universal Carrier 1936–48: The 'Bren Gun Carrier' Story
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II "Northover" 1081:29 mm spigot mortar "Blacker Bombard" 894:Smith & Wesson "Victory" revolver 671:Fletcher, David; Bryan, Tony (2005). 483: 303:The Smith gun in the firing position. 7: 873:Webley Mk IV & Mk VI Revolvers 633:Clarke, Dale (19 September 2011). 585:Commonwealth War Graves Commission 556:Lowry, Taylor & Boulanger 2004 14: 1106:3-inch Mk. I OSB gun "Smith gun" 797:Smith Gun (National Army Museum) 36:The Royal Armouries, Fort Nelson 28: 1129:British grenades of WWI and WW2 884:Browning P-35 "Hi-Power" pistol 401:Journal of the Ordnance Society 374:episode featuring the Smith Gun 1076:Rifle, anti-tank, .55 in, Boys 1: 1111:No. 2 "Lifebuoy" flamethrower 805:, May 1944, Popular Mechanics 730:British Home Defences 1940–45 751:. Oxford University Press. 222:British Expeditionary Force 1244: 220:and the evacuation of the 145:3.185-inch (80.90 mm) 942:De Lisle Commando carbine 766:Oliver, Kinglsey (2002). 617:Fletcher & Bryan 2005 134: 111:604 lb (274 kg) 54:Place of origin 27: 1046:Charlton Automatic Rifle 747:Mackenzie, S.P. (1995). 34:Smith Gun and limber at 982:M1921/M1928/M1 Thompson 768:The RAF Regiment at War 315:One was mounted onto a 658:Cite journal requires 304: 847:British Commonwealth 732:. Osprey Publishing. 709:Lampe, David (1968). 690:Kinard, Jeff (2007). 675:. Osprey Publishing. 302: 122:54-inch (140 cm) 1061:Vickers–Berthier LMG 1029:other larger weapons 1005:Pattern 1913 bayonet 1000:Pattern 1907 bayonet 927:Pattern 1914 Enfield 889:M1911/M1911A1 pistol 216:With the end of the 770:. Pen & Sword. 713:. Greenhill Books. 522:, pp. 120–121. 343:Northover Projector 295:Operational history 226:the port of Dunkirk 1101:ML 4.2-inch mortar 1086:SBML 2-inch mortar 368:We Know Our Onions 305: 286:possessing faulty 1218:Artillery by type 1203: 1202: 937:Ross Rifle Mk.III 777:978-0-85052-852-7 758:978-0-19-820577-7 739:978-1-84176-767-3 720:978-1-85367-730-4 701:978-1-85109-556-8 682:978-1-84176-813-7 619:, pp. 40–41. 498:, pp. 90–91. 262:Winston Churchill 190:Winston Churchill 149: 148: 1235: 1096:ML 3-inch mortar 1036:Besa machine gun 841: 834: 827: 818: 781: 762: 743: 724: 705: 686: 667: 661: 656: 654: 646: 620: 614: 608: 602: 596: 595: 593: 591: 577: 571: 565: 559: 553: 544: 538: 523: 517: 511: 505: 499: 493: 487: 481: 472: 466: 453: 447: 426: 420: 409: 408: 396: 363: 361: 351: 349: 218:Battle of France 182:Battle of France 171:Second World War 97:Second World War 32: 21: 1243: 1242: 1238: 1237: 1236: 1234: 1233: 1232: 1208: 1207: 1204: 1199: 1138: 1115: 1028: 1019: 986: 914:submachine guns 912: 903: 859: 845: 788: 778: 765: 759: 746: 740: 727: 721: 708: 702: 689: 683: 670: 657: 647: 632: 629: 624: 623: 615: 611: 603: 599: 589: 587: 579: 578: 574: 566: 562: 554: 547: 539: 526: 518: 514: 506: 502: 494: 490: 482: 475: 467: 456: 448: 429: 421: 412: 398: 397: 386: 381: 357: 355:Blacker Bombard 345: 339: 297: 270: 214: 178:German invasion 135: 67:In service 62:Service history 39: 19: 12: 11: 5: 1241: 1239: 1231: 1230: 1225: 1220: 1210: 1209: 1201: 1200: 1198: 1197: 1192: 1187: 1182: 1177: 1172: 1167: 1162: 1160:9mm Parabellum 1157: 1151: 1149: 1140: 1139: 1137: 1136: 1131: 1125: 1123: 1117: 1116: 1114: 1113: 1108: 1103: 1098: 1093: 1088: 1083: 1078: 1073: 1068: 1063: 1058: 1053: 1048: 1043: 1038: 1032: 1030: 1021: 1020: 1018: 1017: 1012: 1007: 1002: 996: 994: 988: 987: 985: 984: 979: 974: 969: 964: 959: 954: 949: 944: 939: 934: 929: 924: 918: 916: 905: 904: 902: 901: 896: 891: 886: 881: 875: 869: 867: 861: 860: 846: 844: 843: 836: 829: 821: 815: 814: 808: 799: 794: 787: 786:External links 784: 783: 782: 776: 763: 757: 744: 738: 725: 719: 706: 700: 687: 681: 668: 660:|journal= 628: 625: 622: 621: 609: 607:, p. 136. 605:Mackenzie 1995 597: 572: 570:, p. 137. 568:Mackenzie 1995 560: 545: 543:, p. 270. 524: 520:Mackenzie 1995 512: 500: 496:Mackenzie 1995 488: 473: 471:, p. 120. 469:Mackenzie 1995 454: 452:, p. 121. 450:Mackenzie 1995 427: 410: 383: 382: 380: 377: 376: 375: 364: 360:United Kingdom 352: 348:United Kingdom 338: 335: 296: 293: 269: 266: 258:Prime Minister 213: 210: 186:Prime Minister 147: 146: 143: 137: 136: 132: 131: 128: 124: 123: 120: 113: 112: 109: 105: 104: 103:Specifications 100: 99: 94: 90: 89: 76: 72: 71: 68: 64: 63: 59: 58: 57:United Kingdom 55: 51: 50: 45: 41: 40: 33: 25: 24: 17: 13: 10: 9: 6: 4: 3: 2: 1240: 1229: 1226: 1224: 1221: 1219: 1216: 1215: 1213: 1206: 1196: 1195:15Ă—104mm Brno 1193: 1191: 1188: 1186: 1183: 1181: 1178: 1176: 1173: 1171: 1168: 1166: 1163: 1161: 1158: 1156: 1153: 1152: 1150: 1148: 1145: 1141: 1135: 1132: 1130: 1127: 1126: 1124: 1122: 1118: 1112: 1109: 1107: 1104: 1102: 1099: 1097: 1094: 1092: 1089: 1087: 1084: 1082: 1079: 1077: 1074: 1072: 1069: 1067: 1066:Vickers K gun 1064: 1062: 1059: 1057: 1054: 1052: 1049: 1047: 1044: 1042: 1039: 1037: 1034: 1033: 1031: 1026: 1022: 1016: 1015:No. 5 bayonet 1013: 1011: 1010:No. 4 bayonet 1008: 1006: 1003: 1001: 998: 997: 995: 993: 989: 983: 980: 978: 975: 973: 970: 968: 965: 963: 960: 958: 955: 953: 950: 948: 945: 943: 940: 938: 935: 933: 930: 928: 925: 923: 920: 919: 917: 915: 910: 906: 900: 897: 895: 892: 890: 887: 885: 882: 880:Mk I Revolver 879: 878:Enfield No. 2 876: 874: 871: 870: 868: 866: 862: 858: 854: 850: 842: 837: 835: 830: 828: 823: 822: 819: 812: 811:The Smith Gun 809: 806: 804: 800: 798: 795: 793: 790: 789: 785: 779: 773: 769: 764: 760: 754: 750: 745: 741: 735: 731: 726: 722: 716: 712: 707: 703: 697: 693: 688: 684: 678: 674: 669: 665: 652: 644: 640: 636: 631: 630: 626: 618: 613: 610: 606: 601: 598: 586: 582: 576: 573: 569: 564: 561: 558:, p. 21. 557: 552: 550: 546: 542: 537: 535: 533: 531: 529: 525: 521: 516: 513: 510:, p. 17. 509: 504: 501: 497: 492: 489: 485: 480: 478: 474: 470: 465: 463: 461: 459: 455: 451: 446: 444: 442: 440: 438: 436: 434: 432: 428: 425:, p. 17. 424: 419: 417: 415: 411: 406: 402: 395: 393: 391: 389: 385: 378: 373: 369: 365: 356: 353: 344: 341: 340: 336: 334: 331: 328: 327: 320: 318: 313: 311: 301: 294: 292: 289: 284: 278: 274: 267: 265: 263: 259: 254: 252: 247: 243: 238: 235: 231: 227: 223: 219: 211: 209: 205: 202: 201:maximum range 198: 197:3-inch mortar 193: 191: 187: 183: 179: 174: 172: 168: 164: 160: 159: 154: 144: 142: 138: 133: 129: 125: 121: 118: 114: 110: 106: 101: 98: 95: 91: 88: 84: 80: 77: 73: 69: 65: 60: 56: 52: 49: 46: 42: 37: 31: 26: 22: 16: 1205: 1155:.303 British 1105: 1025:Machine-guns 853:World War II 802: 767: 748: 729: 710: 694:. 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Index


The Royal Armouries, Fort Nelson
Artillery
British Army
Home Guard
RAF Regiment
Second World War
Barrel
Calibre
ad hoc
British Army
Home Guard
Second World War
German invasion
Battle of France
Prime Minister
Winston Churchill
3-inch mortar
Battle of France
British Expeditionary Force
the port of Dunkirk
invasion
British Army
Home Guard
Major
Prime Minister
Winston Churchill
toggle ropes
fuzes

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