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The hedgehog is not generally anchored to prevent movement, as it can be effective even if rolled by a large explosion. Its effectiveness lies in its dimensions, combined with the fact that a vehicle attempting to drive over it will likely become stuck (and possibly damaged) through rolling on top of
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fire. Once they were fragmented, the debris provided more cover for the enemy infantry than did their metal counterparts. Therefore, only the oldest sections of the
Czechoslovak defensive line, built in 1935–1936, were equipped with concrete hedgehogs, and usually only in the second line.
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Industrially manufactured Czech hedgehogs were made of three pieces of metal angle (L 140/140/13 mm, length 1.8 metres (6 ft), weight 198 kilograms (440 lb); later versions: length 2.1 metres (7 ft), weight 240 kilograms (530 lb) joined by gusset plates,
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repurposed new tracks to make hundreds of hedgehogs at 33 of its own shops and some other sites. The railroad estimated they had enough material for some 1,800 hedgehogs. The
Ukrainian military in
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from penetrating a line of defense; it maintains its function even when tipped over by a nearby explosion. Although Czech hedgehogs may provide some scant cover for attacking
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240:, with a shape similar to later metal versions. However, the concrete hedgehogs proved ineffective during tests as they could be substantially damaged by
269:, where a single hedgehog could block an entire street. Czech hedgehogs thus became a symbol of "defense at all costs" in the Soviet Union; hence, the
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also made hedgehogs to be distributed to strategic locations. In Kyiv, hedgehogs from WWII were brought out of a museum and used at a roadblock.
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together into a characteristic spatial three-armed cross with each bar at right angles to the other two, this pattern forming the
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348:. As many as 40% of attempts at breakthrough were successful; therefore, the army developed new anti-tank obstacles for the
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bolts. The arms were equipped with square "feet" to prevent sinking into the ground, as well as notches for attaching
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372:, hedgehogs were used in conjunction with concrete barriers and other techniques to thwart Russian forces. The
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288:, the Allies cut up sizable numbers of intact and wrecked hedgehogs and welded them to the front of their
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437:. Two arms of the hedgehog were connected in the factory, while the third arm was connected on-site by
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in anti-tank defense. They were produced from any sturdy piece of metal and sometimes wood, including
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proved the low efficiency of the metal hedgehogs against heavy armored vehicles such as the Soviet
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Field
Fortifications Course EN0065 Ed. B, US Engineer School Lesson 3, Section 16: Steel Obstacles
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784:"A 23992: Royal Navy Commandos at La Riviere preparing to demolish beach obstacles (photograph)"
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177:, infantry forces are generally much less effective against fortified defensive positions than
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165:, although on a much larger scale. The hedgehog is very effective in keeping light to medium
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161:(that is, lengths with an L- or 𝐈-shaped cross section). It is similar in shape to metal
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560:"Snapshots From The War: Under Heavy Fire Or Tensely Waiting, All Ukraine Is Under Siege"
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609:"Russian bombs destroying refugee train routes, says Ukrainian Railways boss"
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system that was turned over to
Germany in 1938 after the occupation of the
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750:"Anti-tank hedgehogs from WW2 taken from museum used as barricade in Kyiv"
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stake which may have been lashed together to form a similar fortification
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181:. The author of the Czechoslovak invention is Major František Kašík.
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635:"Anxiety Grows in Odessa as Russians Advance in Southern Ukraine"
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the lower bar and lifting its treads (or wheels) off the ground.
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Entry point of the West Berlin S-Bahn into East Berlin near the
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720:"Lviv locals making 'Czech hedgehogs' to scupper Russian tanks"
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Utajená obrana železné opony: Československé opevnění 1945–1964
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356:. Nevertheless, the metal hedgehog was still used as a quick
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highway in 1966, is composed of three giant Czech hedgehogs.
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668:"'Hedgehogs' v tanks, as Kyiv braces for Russian onslaught"
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506:"Český ježek: Příběh pancéřové bariéry a jejího vynálezce"
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Czech hedgehogs were part of the German defenses of the
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DUBÁNEK, Martin; MINAŘÍK, Pavel; LAKOSIL, Jan (2008).
696:"Anti-tank hedgehogs seen in the very heart of Kyiv"
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Kurennaya, Darya; Shtekel, Mykhaylo (2 March 2022).
537:(in Czech). Praha: Mladá fronta. pp. 169–176.
504:Hauser, Ferdinand; Lukeš, Petr (February 6, 2024).
46:. Unsourced material may be challenged and removed.
213:. The hedgehogs were originally used on the Czech–
209:The Czech hedgehog's name refers to its origin in
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584:"Ukrzaliznytsia sets up production of anti-tank"
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265:. Czech hedgehogs were especially effective in
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198:Examples of Czech hedgehogs deployed on the
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253:The Czech hedgehog was widely used during
273:to Moscow defenders, built alongside the
106:Learn how and when to remove this message
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788:Imperial War Museum Collection Search
157:defense made of metal angle beams or
748:Leopoldi, Matthew (March 11, 2022).
391:
328:in Liesenstrasse/Gartenstrasse, 1980
44:adding citations to reliable sources
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2220:Weapons Storage and Security System
13:
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666:Vasovic, Aleksandar (2022-03-03).
236:The first hedgehogs were built of
219:Czechoslovak border fortifications
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118:Static anti-tank obstacle defense
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633:Schwirtz, Michael (2022-03-02).
221:– a massive but never-completed
125:Czech hedgehogs deployed at the
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564:Radio Free Europe/Radio Liberty
332:Postwar tests conducted by the
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31:needs additional citations for
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470:Dragon's teeth (fortification)
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2115:British "hedgehog" road block
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2110:Defensive fighting position
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368:In early 2022, during the
360:against wheeled vehicles.
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2130:Entry control point (ECP)
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400:Modern czech hedgehog in
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2652:Continuity of government
229:as a consequence of the
2474:Motte-and-bailey castle
2180:Missile launch facility
2175:Main line of resistance
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2319:Floating water castle
2050:Admiralty scaffolding
1343:Fortified buildings (
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350:border fortifications
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129:in the Czech Republic
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2746:Engineering barrages
2662:Subterranean warfare
1615:Viking ring fortress
782:J A Hampton (1944).
286:invasion of Normandy
127:Stachelberg fortress
40:improve this article
2756:Area denial weapons
2751:Anti-tank obstacles
2479:Quadrangular castle
2215:Weapon storage area
1571:Quadrangular castle
792:Imperial War Museum
364:Russo-Ukrainian War
238:reinforced concrete
202:in the vicinity of
2210:Underground hangar
1995:Fire control tower
1792:Gunpowder magazine
1220:Butter-churn tower
692:Ponomarenko, Illia
639:The New York Times
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374:Ukrainian Railways
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155:anti-tank obstacle
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2657:Military urbanism
2591:Fortified gateway
2464:Concentric castle
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1985:Coastal artillery
1860:(Spanish America)
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1296:Concentric castle
544:978-80-204-1758-9
392:Technical details
334:Czechoslovak army
304:that made up the
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2535:Fortified estate
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55:"Czech hedgehog"
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2345:Coercion castle
2340:Coastal defence
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2285:Promontory fort
2255:Hillside castle
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2140:Fallout shelter
2105:Concertina wire
2085:Border security
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1291:Coercion castle
1279:Cheval de frise
1261:Chemin de ronde
1109:Albarrana tower
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1035:Schwedenschanze
1012:Promontory fort
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837:Fortifications
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284:. During the
283:
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96:February 2020
88:
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64:
60:
57: –
56:
52:
51:Find sources:
45:
41:
35:
34:
29:This article
27:
23:
18:
17:
2717:
2672:Siege engine
2640:Other topics
2564:Related word
2530:Defense line
2494:Tower castle
2449:Bastion fort
2433:Urban castle
2361:Ganerbenburg
2359:
2314:Water castle
2290:Ridge castle
2275:Marsh castle
2119:
2090:Bomb shelter
2070:Belgian gate
2043:20th century
1954:19th century
1892:Retrenchment
1864:Punji sticks
1773:Entrenchment
1768:Device Forts
1735:Counterguard
1670:Early modern
1600:Tower castle
1536:Powder tower
1511:Outer bailey
1423:Inner bailey
1397:Gulyay-gorod
1365:Ganerbenburg
1363:
1359:Fujian tulou
1301:Corner tower
1240:Chamber gate
1210:Bridge tower
1058:Trou de loup
795:. Retrieved
787:
762:
753:
743:
732:. Retrieved
724:France24.com
723:
714:
703:. Retrieved
699:
686:
675:. Retrieved
671:
661:
650:. Retrieved
638:
628:
617:. Retrieved
615:. 2022-03-02
612:
603:
592:. Retrieved
590:. 2022-03-01
587:
578:
567:. Retrieved
563:
553:
534:
528:
516:. Retrieved
509:
499:
415:
411:
367:
331:
279:
267:urban combat
259:Soviet Union
255:World War II
252:
249:World War II
235:
208:
163:knucklebones
146:
134:
132:
102:
93:
83:
76:
69:
62:
50:
38:Please help
33:verification
30:
2571:Castle town
2428:Toll castle
2397:Lustschloss
2379:Kaiserpfalz
2309:Spur castle
2304:Rock castle
2245:Hill castle
2240:Cave castle
2200:Spider hole
2100:Bremer wall
2065:Barbed tape
1961:Barbed wire
1635:Witch tower
1605:Tower house
1595:Toll castle
1581:Shield wall
1501:Murder hole
1390:Guard tower
1007:Pincer gate
954:Faussebraye
754:Museum Next
511:Czech Radio
443:barbed wire
326:Berlin Wall
298:Rhino tanks
296:. Known as
242:machine-gun
227:Sudetenland
2740:Categories
2596:Gatekeeper
2416:Ordensburg
2388:Landesburg
2195:Sentry gun
2150:Flak tower
2080:Blast wall
2000:Gun turret
1897:Sally port
1802:Kotta mara
1742:Couvreface
1706:Breastwork
1701:Blockhouse
1679:Abwurfdach
1630:Watchtower
1620:Wall tower
1576:Shell keep
1526:Portcullis
1521:Peel tower
1506:Neck ditch
1465:Landesburg
1413:Half tower
1371:Gate tower
1316:Drawbridge
1158:Battlement
1074:Wagon fort
917:Chengqiang
734:2022-03-04
705:2022-03-04
677:2022-03-04
652:2022-03-04
619:2022-03-04
594:2022-03-04
569:2022-03-04
514:(in Czech)
491:References
435:octahedron
358:road-block
344:or German
290:M4 Sherman
66:newspapers
2699:Guerrilla
2442:By design
2190:Revetment
2005:Land mine
1936:Star fort
1763:Crownwork
1758:Covertway
1691:Barricade
1332:Embrasure
1245:Chartaque
1175:Bergfried
1133:Arrowslit
959:Gatehouse
929:City gate
890:Castellum
856:Acropolis
647:0362-4331
518:March 29,
475:Makibishi
302:hedgerows
143:rozsocháč
2724:Category
2714:See also
2601:Loophole
2489:Ringwork
2484:Ringfort
2409:Obstacle
2250:Hillfort
2170:Loophole
1968:Barbette
1943:Tenaille
1926:Sea fort
1856:Presidio
1816:Magazine
1797:Hornwork
1730:Cavalier
1725:Casemate
1718:Caponier
1561:Ringwork
1449:Detinets
1418:Hoarding
1323:Enceinte
1198:Bretèche
1143:Bartizan
1138:Barbican
1114:Alcazaba
1042:Stockade
1022:Ringfort
1002:Palisade
974:Landwehr
969:Hillfort
797:2 August
613:POLITICO
449:See also
354:Cold War
316:Cold War
310:Normandy
271:memorial
175:infantry
171:vehicles
2631:Vedette
2621:Schloss
2586:Festung
2581:Dungeon
2576:Château
2520:Castles
2328:By role
2185:Pillbox
2015:Outpost
1931:Station
1919:Schanze
1902:Sandbag
1887:Redoubt
1871:Ravelin
1839:Palanka
1823:Orillon
1809:Lunette
1751:Coupure
1696:Bastion
1686:Arsenal
1654:Zwinger
1566:Roundel
1556:Ricetto
1531:Postern
1516:Outwork
1440:Kremlin
1311:Curtain
1286:Citadel
1270:Chemise
1230:Caltrop
1148:Bastion
1121:Alcázar
1017:Rampart
995:Oppidum
988:Nuraghe
934:Crannog
908:Castros
844:Ancient
700:Twitter
672:Reuters
464:cavalry
455:Caltrop
346:Panther
338:ISU-152
308:across
306:bocages
257:by the
185:History
159:I-beams
80:scholar
2626:Trench
2616:Picket
2027:Sangar
1980:Bunker
1912:Sconce
1832:Ostrog
1780:Flèche
1663:Modern
1642:Yagura
1610:Turret
1546:Reduit
1484:Merlon
1428:Kasbah
1406:Gusuku
1383:Glacis
1376:Gabion
1345:church
1252:Chashi
1235:Castle
1079:Laager
1067:Vallum
1024:(Rath)
899:Castra
881:Burgus
851:Abatis
645:
541:
433:of an
427:welded
419:rivets
406:Kosovo
404:base (
215:German
204:Calais
190:Origin
82:
75:
68:
61:
53:
2667:Siege
2611:Palas
2555:Walls
2545:Forts
2508:Lists
2355:Fence
2297:Rocca
2165:Kabal
1880:Redan
1787:Gorge
1711:Canal
1588:Shiro
1551:Ribat
1541:Qalat
1353:Dzong
1349:house
1049:Sudis
981:Limes
939:Ditch
872:Broch
863:Agger
482:, an
480:Sudis
425:, or
423:bolts
378:Odesa
167:tanks
149:ježek
139:Czech
87:JSTOR
73:books
2677:list
2095:Buoy
1649:Yett
1491:Moat
1458:Ksar
1433:Keep
1225:Caer
1215:Burh
1191:Boom
1184:Berm
1163:Bawn
1128:Amba
964:Gord
799:2012
643:ISSN
539:ISBN
520:2024
431:axes
421:and
386:Lviv
384:and
382:Kyiv
342:T-54
340:and
292:and
275:M-10
169:and
133:The
59:news
949:Dun
728:AFP
439:M20
402:MSU
145:or
42:by
2742::
2716::
1351:,
1347:,
790:.
786:.
752:.
726:.
722:.
698:.
670:.
641:.
637:.
611:.
586:.
562:.
508:.
445:.
408:).
380:,
312:.
233:.
141::
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1445:(
1355:)
1082:)
1076:(
829:e
822:t
815:v
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756:.
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708:.
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622:.
597:.
572:.
547:.
522:.
466:.
137:(
109:)
103:(
98:)
94:(
84:·
77:·
70:·
63:·
36:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
