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180:, the demand for Dannert wire was so great that some was produced with low manganese steel wire which was easier to cut. This material was known as "Yellow Dannert" after the identifying yellow paint on the concertina handles. To compensate for the reduced effectiveness of Yellow Dannert, an extra supply of pickets were issued in lieu of
172:
Oil-tempered barbed wire was developed during World War I; it was much harder to cut than ordinary barbed wire. During the 1930s, German Horst
Dannert developed concertina wire of this high-grade steel wire. The result was entirely self-supporting; it did not require any vertical posts. An individual
192:
A barrier known as a triple concertina wire fence consists of two parallel concertinas joined by twists of wire and topped by a third concertina similarly attached. The result is an extremely effective barrier with many of the desirable properties of a random entanglement. A triple concertina fence
142:
Concertina wire packs flat for ease of transport and can then be deployed as an obstacle much more quickly than ordinary barbed wire, since the flattened coil of wire can easily be stretched out, forming an instant obstacle that will at least slow enemy passage. Several such coils with a few stakes
124:
Barbed wire obstacles were vulnerable to being pushed about by artillery shells; in World War I, this frequently resulted in a mass of randomly entangled wires that could be even more daunting than a carefully constructed obstacle. Learning this lesson, World War I soldiers would deploy barbed wire
137:
There was what might be called a concertina craze on: innumerable coils of barbed wire were converted into concertinas by the simple process of winding them round and round seven upright stakes in the ground; every new lap of wire was fastened to the one below it at every other stake by a twist of
116:
obstacles were made by stretching lengths of barbed wire between stakes of wood or iron. At its simplest, such a barrier would resemble a fence as might be used for agricultural purposes. The double apron fence comprised a line of pickets with wires running diagonally down to points on the ground
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105:
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could be deployed very quickly: it is possible for a party of five men to deploy 50 yards (46 m) of triple concertina fence in just 15 minutes. Optionally, triple concertina fence could be strengthened with uprights, but this increases the construction time significantly.
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Dannert wire concertina could be compressed into a compact coil that could be carried by one man and then stretched out along its axis to make a barrier 50 feet (15 m) long and each coil could be held in place with just three staples hammered into the ground.
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More elaborate and formidable obstructions could be formed with multiple lines of stakes connected with wire running from side-to-side, back-to-front, and diagonally in many directions. Effective as these obstacles were, their construction took considerable time.
160:
mile) per hour. Such an obstacle is not very effective by itself (although it will still hinder an enemy advance under the guns of the defenders), and concertinas are normally built up into more elaborate patterns as time permits.
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plain wire; the result, when you came to the end of a coil and lifted the whole up off the stakes was heavy ring of barbed wire that concertina'd out into ten-yard lengths.
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to secure them in place are just as effective as an ordinary barbed wire fence, which must be built by driving stakes and running multiple wires between them.
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Today, concertina wire is factory made and is available in forms that can be deployed very rapidly from the back of a vehicle or trailer.
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Nothing of
Importance – A Record of Eight Months at the Front with a Welsh Battalion October 1915 to June 1916
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88:, soldiers manufactured concertina wire themselves, using ordinary barbed wire. Today, it is factory made.
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in so-called concertinas that were relatively loose. Barbed wire concertinas could be prepared in the
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217:. This, in turn, has led to some people trying to differentiate between concertina wire and
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Dannert wire was imported into
Britain from Germany before World War II. During the
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of soldiers can deploy a single concertina fence at a rate of about a kilometre (
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either side of the fence. Horizontal wires were attached to these diagonals.
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Photograph of
Concertina wire labeled as Constantine Wire at BetterPhoto.com
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Dannert, Horst. Improvements in
Barricades. British Patent No 480,082. 1937.
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Churchill's Secret
Warriors: The Explosive True Story of the Special Forces
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No time for dreams: a soldier's six-year journey through World War II
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537:"DANNERT CONCERTINA WIRE – Instructions for Closing. and Fastening"
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72:. It is also used in non-military settings, such as when used in
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construction of concertina wire, razor wire, or less commonly,
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505:. Military Training Manual No 21A. War Office. September 1939.
398:. Military Training Manual No 21A. War Office. September 1939.
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probably came from a corruption/misunderstanding of
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483:Metcalfe, Robert W.; Buchanan-Redden, Jan (1997).
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503:Construction of Dannert Concertina Wire Obstacles
396:Construction of Dannert Concertina Wire Obstacles
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60:. In conjunction with plain barbed wire (and/or
849:
426:Anti-invasion defences of Suffolk: World War II
201:Concertina wire is sometimes mistakenly called
196:
68:, it is most often used to form military-style
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307:. Military Training Pamphlet No 30, Part III.
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100:A sketch of a typical concertina wire obstacle
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337:. Creative Building Products. Archived from
133:relatively quickly under cover of darkness.
108:Concertina wire can be a feature of prisons.
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33:Baled concertina wire prior to deployment
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84:, or at international borders. During
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544:Military Training Pamphlet Number 218
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213:and led to confusion with the Roman
1992:Weapons Storage and Security System
409:Metcalfe & Buchanan-Redden 1997
13:
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335:"Rapid Deployment Concertina Wire"
278:. English Heritage. Archived from
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422:"Defence Works: Wire Obstacles"
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1887:British "hedgehog" road block
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225:to what is commonly known as
56:which can be expanded like a
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178:invasion crisis of 1940–1941
25:Triple concertina wire fence
7:
2297:Cities with defensive walls
1882:Defensive fighting position
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487:. General Store Pub House.
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221:wire by assigning the term
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52:that is formed in large
2246:Motte-and-bailey castle
1952:Missile launch facility
1947:Main line of resistance
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474:Adams, Bernard (1917).
460:. Retrieved 2010-01-07.
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510:Lewis, Damien (2014).
188:Triple concertina wire
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2091:Floating water castle
1822:Admiralty scaffolding
1115:Fortified buildings (
229:. In contrast to the
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129:and then deployed in
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99:
32:
24:
2518:Engineering barrages
2434:Subterranean warfare
1387:Viking ring fortress
574:at Wikimedia Commons
456:2 March 2007 at the
2528:Area denial weapons
2251:Quadrangular castle
1987:Weapon storage area
1343:Quadrangular castle
478:. Methuen & Co.
215:Emperor Constantine
16:Type of barbed wire
1982:Underground hangar
1767:Fire control tower
1564:Gunpowder magazine
992:Butter-churn tower
361:1934 German patent
203:"constantine" wire
197:"Constantine" wire
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1757:Coastal artillery
1632:(Spanish America)
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1068:Concentric castle
570:Media related to
521:978-1-84-866855-3
494:978-1-896182-79-7
432:on 24 August 2011
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235:constantine wire
223:constantine wire
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112:In World War I,
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2117:Coercion castle
2112:Coastal defence
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2027:Hillside castle
1996:
1912:Fallout shelter
1877:Concertina wire
1857:Border security
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1063:Coercion castle
1051:Cheval de frise
1033:Chemin de ronde
881:Albarrana tower
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784:Promontory fort
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311:. October 1940.
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272:"Dannert Wire"
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2419:Civil defense
2417:
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2404:
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2290:
2288:
2287:Bastion forts
2285:
2284:
2282:
2278:
2272:
2271:Z-plan castle
2269:
2267:
2264:
2262:
2259:
2257:
2254:
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2249:
2247:
2244:
2242:
2241:L-plan castle
2239:
2237:
2234:
2232:
2229:
2227:
2226:Bridge castle
2224:
2222:
2219:
2218:
2216:
2212:
2206:
2203:
2201:
2198:
2196:
2195:Refuge castle
2193:
2190:
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2182:
2179:
2177:
2176:Military base
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2171:
2170:
2165:
2162:
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2156:
2153:
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2147:
2145:
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2139:Hunting lodge
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2053:
2052:Moated castle
2050:
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2038:
2037:Island castle
2035:
2033:
2030:
2028:
2025:
2023:
2020:
2018:
2015:
2013:
2010:
2009:
2007:
2005:By topography
2003:
1993:
1990:
1988:
1985:
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1977:Submarine pen
1975:
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1968:
1965:
1963:
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1847:Blast shelter
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1616:Place-of-arms
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1249:Machicolation
1247:
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1244:L-plan castle
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977:Bridge castle
975:
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940:Bent entrance
938:
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925:Battery tower
923:
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918:
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876:Advanced work
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800:Refuge castle
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397:
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373:, p. 93.
372:
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245:
244:
238:
236:
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228:
224:
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208:
204:
194:
185:
183:
182:screw pickets
179:
174:
165:
162:
149:
144:
139:
134:
132:
131:no-man's-land
128:
122:
118:
115:
106:
98:
89:
87:
83:
79:
75:
71:
67:
63:
59:
55:
51:
47:
44:is a type of
43:
39:
31:
23:
19:
2489:
2444:Siege engine
2412:Other topics
2336:Related word
2302:Defense line
2266:Tower castle
2221:Bastion fort
2205:Urban castle
2133:Ganerbenburg
2131:
2086:Water castle
2062:Ridge castle
2047:Marsh castle
1876:
1862:Bomb shelter
1842:Belgian gate
1815:20th century
1726:19th century
1664:Retrenchment
1636:Punji sticks
1545:Entrenchment
1540:Device Forts
1507:Counterguard
1442:Early modern
1372:Tower castle
1308:Powder tower
1283:Outer bailey
1195:Inner bailey
1169:Gulyay-gorod
1137:Ganerbenburg
1135:
1131:Fujian tulou
1073:Corner tower
1012:Chamber gate
982:Bridge tower
830:Trou de loup
548:. Retrieved
543:
511:
502:
484:
475:
446:
436:19 September
434:. Retrieved
430:the original
425:
416:
411:, p. 4.
404:
395:
378:
366:
355:
345:18 September
343:. Retrieved
339:the original
329:
317:
304:
286:18 September
284:. Retrieved
280:the original
275:
266:
234:
222:
218:
210:
206:
202:
200:
191:
175:
171:
168:Dannert wire
163:
145:
141:
136:
123:
119:
111:
82:riot control
64:) and steel
42:Dannert wire
41:
37:
36:
18:
2343:Castle town
2200:Toll castle
2169:Lustschloss
2151:Kaiserpfalz
2081:Spur castle
2076:Rock castle
2017:Hill castle
2012:Cave castle
1972:Spider hole
1872:Bremer wall
1837:Barbed tape
1733:Barbed wire
1407:Witch tower
1377:Tower house
1367:Toll castle
1353:Shield wall
1273:Murder hole
1162:Guard tower
779:Pincer gate
726:Faussebraye
514:. Quercus.
468:Works cited
219:constantine
207:Constantine
114:barbed wire
86:World War I
46:barbed wire
2512:Categories
2368:Gatekeeper
2188:Ordensburg
2160:Landesburg
1967:Sentry gun
1922:Flak tower
1852:Blast wall
1772:Gun turret
1669:Sally port
1574:Kotta mara
1514:Couvreface
1478:Breastwork
1473:Blockhouse
1451:Abwurfdach
1402:Watchtower
1392:Wall tower
1348:Shell keep
1298:Portcullis
1293:Peel tower
1278:Neck ditch
1237:Landesburg
1185:Half tower
1143:Gate tower
1088:Drawbridge
930:Battlement
846:Wagon fort
689:Chengqiang
371:Lewis 2014
322:Adams 1917
309:War Office
253:References
227:razor wire
211:concertina
58:concertina
50:razor wire
2471:Guerrilla
2214:By design
1962:Revetment
1777:Land mine
1708:Star fort
1535:Crownwork
1530:Covertway
1463:Barricade
1104:Embrasure
1017:Chartaque
947:Bergfried
905:Arrowslit
731:Gatehouse
701:City gate
662:Castellum
628:Acropolis
305:Obstacles
258:Citations
2496:Category
2486:See also
2373:Loophole
2261:Ringwork
2256:Ringfort
2181:Obstacle
2022:Hillfort
1942:Loophole
1740:Barbette
1715:Tenaille
1698:Sea fort
1628:Presidio
1588:Magazine
1569:Hornwork
1502:Cavalier
1497:Casemate
1490:Caponier
1333:Ringwork
1221:Detinets
1190:Hoarding
1095:Enceinte
970:Bretèche
915:Bartizan
910:Barbican
886:Alcazaba
814:Stockade
794:Ringfort
774:Palisade
746:Landwehr
741:Hillfort
550:11 April
454:Archived
241:See also
127:trenches
2403:Vedette
2393:Schloss
2358:Festung
2353:Dungeon
2348:Château
2292:Castles
2100:By role
1957:Pillbox
1787:Outpost
1703:Station
1691:Schanze
1674:Sandbag
1659:Redoubt
1643:Ravelin
1611:Palanka
1595:Orillon
1581:Lunette
1523:Coupure
1468:Bastion
1458:Arsenal
1426:Zwinger
1338:Roundel
1328:Ricetto
1303:Postern
1288:Outwork
1212:Kremlin
1083:Curtain
1058:Citadel
1042:Chemise
1002:Caltrop
920:Bastion
893:Alcázar
789:Rampart
767:Oppidum
760:Nuraghe
706:Crannog
680:Castros
616:Ancient
231:helical
155:⁄
148:platoon
92:Origins
66:pickets
2398:Trench
2388:Picket
1799:Sangar
1752:Bunker
1684:Sconce
1604:Ostrog
1552:Flèche
1435:Modern
1414:Yagura
1382:Turret
1318:Reduit
1256:Merlon
1200:Kasbah
1178:Gusuku
1155:Glacis
1148:Gabion
1117:church
1024:Chashi
1007:Castle
851:Laager
839:Vallum
796:(Rath)
671:Castra
653:Burgus
623:Abatis
546:. 1939
518:
491:
247:Slinky
2439:Siege
2383:Palas
2327:Walls
2317:Forts
2280:Lists
2127:Fence
2069:Rocca
1937:Kabal
1652:Redan
1559:Gorge
1483:Canal
1360:Shiro
1323:Ribat
1313:Qalat
1125:Dzong
1121:house
821:Sudis
753:Limes
711:Ditch
644:Broch
635:Agger
540:(PDF)
54:coils
2533:Wire
2449:list
1867:Buoy
1421:Yett
1263:Moat
1230:Ksar
1205:Keep
997:Caer
987:Burh
963:Boom
956:Berm
935:Bawn
900:Amba
736:Gord
552:2012
516:ISBN
489:ISBN
438:2010
347:2010
288:2010
721:Dun
205:.
48:or
40:or
2514::
2488::
1123:,
1119:,
542:.
424:.
387:^
296:^
274:.
184:.
146:A
80:,
76:,
1225:)
1217:(
1127:)
854:)
848:(
601:e
594:t
587:v
554:.
524:.
497:.
440:.
349:.
290:.
157:8
153:5
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
