Knowledge (XXG)

L9 bar mine

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212: 157:. The bar mine's principal advantage is its long length, and therefore its trigger length. A typical anti-tank landmine is circular, and a vehicle's wheels or tracks, which make up only a small proportion of its total width, must actually press on the mine to activate it. To increase the probability of a vehicle striking the mine, the mine's effective trigger width must be increased. 49: 195:
are available for the bar mine; these are secured on the ends of the mine, adjacent to the pressure plate. There were two FWAM fuzes - one mechanical and one electronic. They were fitted at the opposite end of the pressure pad to the A/D fuze. Mines equipped with these fuzes were deployed using the
250:, even when these were fitted with mine-clearing ploughs. Unless the plough struck the mine squarely in the centre, the mine would often be rotated into a position in which it would pass between the tines of the plough, then blow up the track and front roller of the tank. 180:, to make subsequent clearing of the minefield by hand by enemy sappers more difficult; however, the L10 was withdrawn from service by March 1999, in line with several conventions regulating mines which have been agreed to by the United Kingdom. 175:
armoured personnel carrier. Laying circular mines in similar fashion requires a far larger plough and more powerful towing vehicle. The bar mine laying FV432s were also usually fitted with launchers for
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in 1991. A number were captured from Kuwaiti Army stocks by the Iraqi Army in 1990, and subsequently used by them in the same conflict. It was reported that they disabled a number of
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to Oxfordshire disappeared while in transit. Twenty-eight were recovered promptly alongside the line near Warrington, but twelve (approximately 100 kg of RDX) were missing,
498: 168:, weighing a total of 17 tonnes. By comparison, it would take 30 sappers 60 minutes to lay a 1,000 yard minefield consisting of 655 bar mines weighing a total of 7.2 tonnes. 187:. A metal plate is attached to bar mines which are intended to be subsequently recovered by friendly forces, usually for training purposes. A full width attack mine (FWAM) 488: 483: 160:
The bar mine's shape allows a 50% reduction in the number of mines in a minefield without reducing its effectiveness. It was reported that it would take 90
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led the enquiry. Five men were later jailed for their part in the theft and the missing explosives were recovered.
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The L9 bar mine entered British service in 1969. A number of sub-variants of the mine exist, designated
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150 minutes to lay a 1,000 yd (910 m) mine field consisting of 1,250 British
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The long mines can also be laid through a simple plough attached to the rear of an
257:, for instance to blow holes in tough compound walls in Afghanistan and Iraq. 243: 165: 239: 154: 48: 17: 268:. In 1989 an electromagnetic FWAM fuse replaced the original fuse as 161: 260:
Among other users have been Denmark, where it was introduced as the
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The British Army has since been using bar mines simply as breaching
227:. It was replaced as an anti-tank mine in British service (by the 210: 172: 374: 280:
In 2012, a parcel of forty bar mines being shipped by rail on a
188: 309: 451:"Five jailed over theft of 40 anti-tank mines in Warrington" 183:
The bar mine is made of plastic, and cannot be detected by
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Gordon, Michael R.; Trainor, General Bernard E. (1995).
203:, and consists of sand or peat in a cardboard casing. 246:tanks and other armoured vehicles belonging to the 139: 129: 116: 108: 100: 92: 87: 79: 74: 66: 58: 39: 389: 308:Explosive content: 8.4 kilograms (19 lb) of 327:Operating pressure: 140 kilograms (310 lb) 272:. Both mines have since been taken out of use. 234:The bar mine was used by small detachments of 8: 431:"Munitions stolen from train in Warrington" 499:Military equipment introduced in the 1960s 47: 36: 469:Jane's Mines and Mine Clearance 2005-2006 153:is a large rectangular British anti-tank 370:International Campaign to Ban Landmines 337: 489:Cold War weapons of the United Kingdom 484:Anti-tank mines of the United Kingdom 7: 264:, with the mine plough towed by the 373:. Landmine Monitor. Archived from 321:Height: 0.082 metres (3.2 in) 199:A training version of the mine is 25: 396:. Little, Brown and Co. pp.  324:Width: 0.108 metres (4.3 in) 305:Weight: 11 kilograms (24 lb) 318:Length: 1.2 metres (47 in) 238:of the British Army during the 178:L10 Ranger anti-personnel mines 266:M113 armored personnel carrier 112:10.8 centimetres (4.3 in) 1: 120:8.2 centimetres (3.2 in) 27:For the Soviet diplomat, see 104:120 centimetres (47 in) 420:Engineer Review August 2008 292:officers together with the 515: 248:United States Marine Corps 229:Shielder minelaying system 215:FV432 and plough minelayer 143:8.4 kilograms (19 lb) 26: 244:M60A1 Rise Passive Patton 124: 96:11 kilograms (24 lb) 67:Place of origin 46: 29:Alexander Gregory Barmine 345:The History of Landmines 216: 166:Mark 7 anti-tank mines 294:Royal Military Police 214: 193:anti-disturbance fuze 459:. 16 September 2013. 276:Theft from MOD train 62:Anti-tank blast mine 34:Anti-tank blast mine 494:Area denial weapons 282:Ministry Of Defence 140:Filling weight 439:. 27 October 2012. 217: 392:The Generals' War 290:Counter-terrorism 284:(MOD) train from 147: 146: 16:(Redirected from 506: 461: 460: 447: 441: 440: 427: 421: 418: 412: 411: 395: 385: 379: 378: 365:"United Kingdom" 361: 355: 342: 51: 42: 37: 21: 514: 513: 509: 508: 507: 505: 504: 503: 474: 473: 465: 464: 456:BBC News Online 449: 448: 444: 436:BBC News Online 429: 428: 424: 419: 415: 408: 387: 386: 382: 363: 362: 358: 343: 339: 334: 302: 278: 270:Pansermine M/88 262:Pansermine M/75 209: 196:Barmine Layer. 185:metal detectors 125: 80:In service 75:Service history 54: 40: 35: 32: 23: 22: 15: 12: 11: 5: 512: 510: 502: 501: 496: 491: 486: 476: 475: 472: 471: 463: 462: 442: 422: 413: 406: 380: 377:on 2007-03-20. 356: 347:, Mike Croll, 336: 335: 333: 330: 329: 328: 325: 322: 319: 316: 306: 301: 300:Specifications 298: 277: 274: 236:special forces 208: 205: 201:bio-degradable 145: 144: 141: 137: 136: 131: 127: 126: 122: 121: 118: 114: 113: 110: 106: 105: 102: 98: 97: 94: 90: 89: 88:Specifications 85: 84: 81: 77: 76: 72: 71: 70:United Kingdom 68: 64: 63: 60: 56: 55: 52: 44: 43: 33: 24: 14: 13: 10: 9: 6: 4: 3: 2: 511: 500: 497: 495: 492: 490: 487: 485: 482: 481: 479: 470: 467: 466: 458: 457: 452: 446: 443: 438: 437: 432: 426: 423: 417: 414: 409: 407:0-316-32100-1 403: 399: 394: 393: 384: 381: 376: 372: 371: 366: 360: 357: 354: 353:0-85052-628-0 350: 346: 341: 338: 331: 326: 323: 320: 317: 315: 311: 307: 304: 303: 299: 297: 295: 291: 287: 283: 275: 273: 271: 267: 263: 258: 256: 255:frame charges 251: 249: 245: 241: 237: 232: 230: 226: 222: 213: 206: 204: 202: 197: 194: 190: 186: 181: 179: 174: 169: 167: 163: 158: 156: 152: 142: 138: 135: 132: 128: 123: 119: 115: 111: 107: 103: 99: 95: 91: 86: 82: 78: 73: 69: 65: 61: 57: 50: 45: 38: 30: 19: 468: 454: 445: 434: 425: 416: 391: 383: 375:the original 368: 359: 344: 340: 286:DMC Longtown 279: 269: 261: 259: 252: 233: 224: 220: 218: 198: 182: 170: 159: 150: 148: 41:L9 bar mine 231:) in 2010. 151:L9 bar mine 53:L9 bar mine 478:Categories 332:References 240:Gulf War 223:through 155:landmine 398:369–370 207:Service 191:and an 162:sappers 130:Filling 18:Barmine 404:  351:  117:Height 101:Length 83:1969 - 173:FV432 109:Width 402:ISBN 349:ISBN 225:L9A8 221:L9A1 189:fuze 149:The 93:Mass 59:Type 314:TNT 310:RDX 134:TNT 480:: 453:. 433:. 400:. 367:. 410:. 312:/ 31:. 20:)

Index

Barmine
Alexander Gregory Barmine

TNT
landmine
sappers
Mark 7 anti-tank mines
FV432
L10 Ranger anti-personnel mines
metal detectors
fuze
anti-disturbance fuze
bio-degradable

Shielder minelaying system
special forces
Gulf War
M60A1 Rise Passive Patton
United States Marine Corps
frame charges
M113 armored personnel carrier
Ministry Of Defence
DMC Longtown
Counter-terrorism
Royal Military Police
RDX
TNT
ISBN
0-85052-628-0
"United Kingdom"

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