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the separate transportation of the barrel greatly increased the time taken to bring the weapon into action – it took between 45 minutes to two hours depending on the weather to bring to category combat from the travelling configuration. Further, the limited traverse of the ordnance on the mount, 8 degrees, could result in significant time delays, as it took at least 25 minutes to manoeuvre the weapon beyond the 8 degrees.
152:
520:. Br-5 mortars fired a total of 414 shells during the Winter War, the extraordinary defences faced can be seen in the assault on Pillbox #0031, which fell only after 116 Br-5 mortar shells as well as 1,043 203 mm B-4 howitzer shells were fired at it from point blank range. Pillbox #0011 continued to resist after a combined 203 mm and 280 mm onslaught of 1,322 shells were fired at it.
52:
448:. The aging guns and their insufficient numbers (the M1914/15 at less than half of what was mandated in the 1941 mobilization plans, 66 pieces) meant that new models were required, including 280mm-caliber ones. The calibre was chosen as 280mm because of the available stocks of 280 mm Schneider M1914/15 ammunition. With the development the
417:. The carriage allowed transportation of the weapon over short distances with the speed of 5–8 km/h (3–5 mph), for longer distances the barrel was removed from the carriage and transported separately on a special wheeled cart, the Br-10, a speed of 25 km/h (16 mph) was possible with the barrel removed.
562:
As with the 152 mm gun M1935 (Br-2) and the 203 mm howitzer M1931 (B-4), the biggest drawback with the Br-5 mortar was the carriage. Intended to provide improved mobility, the tracked carriage was much too heavy and proved to be quite cumbersome, actually reducing mobility. Additionally
492:
The first order for eight pieces was placed with the
Barrikady factory in May 1937, although this was subsequently reduced to two in recognition of the immaturity of the system. Development of the system continued throughout 1938 and in 1939 the first 20 pieces were produced, with an additional 25
470:
The B-33 had its barrel built in 1935, and was sent for factory testing on
February 1, 1936. The B-33 featured a fastened barrel, casing and breech, as well as a piston bolt from the Schneider mortar. The barrel was mounted directly atop the carriage without any counterweight balancing, as a loaded
527:
is scarce; their deployment was heavily classified as it was generally indicative of a major attack. In service they were organised into howitzer battalions of six mortars, each battalion consisting of three batteries each with two mortars. Between 1941 and 1945 the Red Army had eight such
566:
After World War II the Br-5 was to remain in Soviet service until the 1970s. In 1955 the Br-5 (along with the B-4 and Br-2) was modernised with a new wheeled carriage that greatly increased mobility, could transport the weapon in one piece and which allowed the weapons to be towed at up to
471:
breech would suffice in balancing the weight. The B-33, having completed factory testing, was sent to field tests on April 17, 1936, which completed successfully. The B-33 was subsequently recommended to have its identified defects fixed before being sent to military tests.
1005:
34:
474:
The Br-5 went to factory testing in
December, 1936, and field tests in April, 1937, which it failed. However, despite the B-33 showing better shell grouping, higher rate of fire and smaller dimensions, the Br-5 was accepted into service as the
66:, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Knowledge (XXG).
483:
field tests ended. The reason why the Br-5 was chosen instead of the B-33 was unknown, but may have emerged from the voluntarist nature of the Br-5. The prototype B-33 was sent to
Barrikady for studying in March 1939.
735:
203-mm howitzer 1931 (B-4), 280-mm mortar 1939 (Br-5) and 152-mm gun 1935 (Br-2) service manual (203-мм гаубица обр. 1931 г. (Б-4), 280-мм мортира обр. 1939 г. (Бр-5), 152-мм пушка обр. 1935 г. (Бр-2). Руководство
707:
76:
516:
in
November 1939. Four Br-5 mortars were deployed to Finland with the 40th Separate Artillery Battalion, where they were used to destroy heavily armoured bunkers and pillboxes during the
1290:
1275:
579:
The Br-5 fired bag charge ammunition with three natures of high-explosive and one of anti-concrete. The high-explosive shells were all remaining pre-revolution stocks of
1285:
113:{{Translated|ru|280-%D0%BC%D0%BC_%D0%BC%D0%BE%D1%80%D1%82%D0%B8%D1%80%D0%B0_%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D1%86%D0%B0_1939_%D0%B3%D0%BE%D0%B4%D0%B0_(%D0%91%D1%80-5)}}
467:
of
Stalingrad were tasked to submit competing designs, the Bolshevik design by Kurpchatnikov being named the B-33, the Barrikady design by Ilya Ivanov the Br-5.
1234:
1229:
509:
In Red Army service the Br-5 mortars were intended for the destruction of particularly strong concrete, reinforced concrete or armoured structures.
86:
Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article.
94:
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underway, it was decided to adopt the very same carriage for the new siege mortar, creating a "triplex", simplifying production and operation.
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battalions, armed with both the Br-5 and the old 280 mm
Schneider M1914/15. Nine pieces were lost in the fighting of 1941.
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Content in this edit is translated from the existing
Russian Knowledge (XXG) article at ]; see its history for attribution.
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Artillery supply in the Great
Patriotic War of 1941-45 (Артиллерийское снабжение в Великой Отечественной войне 1941-45 гг)
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The Br-5 mortar offered little improvement in ballistic performance over the 280 mm
Schneider M1914/15.
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Berlin on the 45th: battle in the den of the beast (Берлин 45-го. Сражение в логове зверя)
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in April and it was the heaviest field artillery piece used by the Red Army during the
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The artillery department of the Red Army (Главное артиллерийское управление РККА),
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By the 1930s the Red Army's siege artillery consisted of obsolete stocks of
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Encyclopaedia of Russian Artillery (Энциклопедия отечественной артиллерии)
409:
long. The Br-5 mortar shared the same tracked, box trail carriage as the
314:
105:
to the source of your translation. A model attribution edit summary is
547:
in January and February 1945. It was employed during the storming of
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Hitler versus Stalin: the eastern front 1943-1944, Kursk to Bagration
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Military Historical Museum of Artillery, Engineers and Signal Corps
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35 km/h (22 mph), these upgraded pieces were designated
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was used to haul the Br-5 gun carriage, whilst the less powerful
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ammunition, whilst the anti-concrete was created for the Br-5.
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Information about the employment of the Br-5 mortar during the
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The Br-5 mortar was a 279.4 mm (11 in) calibre towed
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The chief culprit: Stalin’s grand design to start World War II
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A Br-5 mortar on the original tracked carriage is kept at the
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The Br-5 mortar's combat debut occurred in Finland during the
15:
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Stalin’s keys to victory: the rebirth of the Red Army in WWII
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Reference has been made to the use of the Br-5 mortar by the
393:, it was the Red Army's heaviest field piece during the war.
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already approved for service, and the design work for the
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to this template: there are already 932 articles in the
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Br-5 mortar crewmen taking a smoke break between shells
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A Br-5 mortar and crew in East Prussia, November 1944
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a machine-translated version of the Russian article.
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284:bore: 3.975 m (13 ft 0.5 in) L/14.2
428:was employed to pull the Br-10 cart and barrel.
286:overall: 4.75 m (15 ft 7 in) L/17
749:The Soviet economy and the Red Army, 1930-1945
101:accompanying your translation by providing an
46:Click for important translation instructions.
33:expand this article with text translated from
923:
8:
1235:37 mm automatic air defense gun M1939 (61-K)
1230:25 mm automatic air defense gun M1940 (72-K)
864:, Pen & Sword Military, Barnsley, 2017,
781:
779:
777:
775:
773:
771:
769:
767:
765:
810:, Stackpole Books, Mechanicsburg PA, 2007,
1291:Military equipment introduced in the 1930s
1276:World War II artillery of the Soviet Union
930:
916:
908:
899:Soviet armed forces review annual - Vol 11
851:, GAU Publishing House, Moscow-Tula, 1977.
831:, Naval Institute Press, Annapolis, 2008,
156:Br-5 in Saint Petersburg Artillery Museum.
139:
751:, Praeger Publishers, Westport CT, 1995,
1286:World War II mortars of the Soviet Union
444:'s (31 pieces), both inherited from the
893:
891:
719:
383:280-мм мортира образца 1939 года (Бр-5)
273:travel: 19,700 kg (43,400 lb)
271:combat: 18,400 kg (40,600 lb)
80:
901:, Academic International Press, 1986.
7:
785:A.B. Shirokorad (А. Б. Широкорад),
1255:85 mm air defense gun M1939 (52-K)
1092:107 mm divisional gun M1940 (M-60)
1082:76 mm divisional gun M1942 (ZiS-3)
1046:76 mm regimental gun M1943 (OB-25)
389:heavy artillery piece used during
14:
1173:152 mm howitzer-gun M1937 (ML-20)
1072:76 mm divisional gun M1936 (F-22)
979:57 mm anti-tank gun M1943 (ZiS-2)
518:battles along the Mannerheim Line
1077:76 mm divisional gun M1939 (USV)
1020:76 mm mountain gun M1909 (76-09)
1003:
997:
974:45 mm anti-tank gun M1942 (M-42)
969:45 mm anti-tank gun M1937 (53-K)
964:45 mm anti-tank gun M1932 (19-K)
364:Effective firing range
197:
150:
20:
959:37 mm anti-tank gun M1930 (1-K)
695:10,410 m (11,380 yd)
692:356 m/s (1,170 ft/s)
675:10,950 m (11,980 yd)
672:420 m/s (1,400 ft/s)
652:360 m/s (1,200 ft/s)
422:Voroshilovets artillery tractor
375:280 mm mortar M1939 (Br-5)
1240:45 mm anti-aircraft gun (21-K)
738:, Voenizdat NKO, Moscow, 1942.
655:9,350 m (10,230 yd)
367:10,410 m (11,380 yd)
359:356 m/s (1,170 ft/s)
252:
111:You may also add the template
1:
1214:305 mm howitzer M1939 (Br-18)
1062:76 mm divisional gun M1902/30
984:100 mm field gun M1944 (BS-3)
635:7,350 m (8,040 yd)
632:290 m/s (950 ft/s)
477:280 mm mortar model 1939
1163:152 mm howitzer M1938 (M-10)
1107:122 mm howitzer M1938 (M-30)
885:, Yauza Eksmo, Moscow, 2007.
666:200.7 kg (442 lb)
626:286.7 kg (632 lb)
1250:76 mm air defense gun M1938
1245:76 mm air defense gun M1931
1194:203 mm howitzer M1931 (B-4)
1168:152 mm howitzer M1943 (D-1)
629:58.7 kg (129 lb)
438:280 mm Schneider M1914/15's
426:Komintern artillery tractor
415:203 mm howitzer M1931 (B-4)
124:Knowledge (XXG):Translation
83:will aid in categorization.
1307:
1209:280 mm mortar M1939 (Br-5)
1138:122 mm gun M1931/37 (A-19)
1067:76 mm divisional gun M1933
1041:76 mm regimental gun M1927
689:44.8 kg (99 lb)
686:246 kg (542 lb)
669:33.6 kg (74 lb)
646:204 kg (450 lb)
493:pieces following in 1940.
319:279.4 mm (11 in)
58:Machine translation, like
1121:Corps and army level guns
1087:85 mm divisional gun D-44
995:
881:A.V. Isaev (А.В. Исаев),
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605:
602:
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581:280 mm Schneider M1914/15
382:
309:246 kg (542 lb)
298:
170:Place of origin
149:
35:the corresponding article
1204:280 mm howitzer M1914/15
1199:210 mm gun M1939 (Br-17)
1158:152 mm howitzer M1910/37
1143:152 mm howitzer M1909/30
1112:152 mm mortar M1931 (NM)
1102:122 mm howitzer M1910/30
1097:122 mm howitzer M1909/37
1025:76 mm mountain gun M1938
649:45 kg (99 lb)
215:World War II (1941-1945)
1189:152 mm gun M1935 (Br-2)
1133:122 mm gun M1931 (A-19)
411:152 mm gun M1935 (Br-2)
349:1 round every 4 minutes
122:For more guidance, see
789:, Харвест, Мн., 2000,
536:
506:
345:Rate of fire
710:in Saint Petersburg.
541:1st Belorussian Front
534:
504:
463:of Leningrad and the
446:Imperial Russian Army
442:305 mm howitzer M1915
95:copyright attribution
989:100 mm D-10 tank gun
938:Soviet artillery of
806:Walter S. Dunn Jr.,
747:Walter S. Dunn Jr.,
553:Battle of Königsberg
355:Muzzle velocity
144:280 mm M1939 (Br-5)
1153:152 mm gun M1910/34
1148:152 mm gun M1910/30
1128:107 mm gun M1910/30
525:Great Patriotic War
405:with a barrel 14.2
702:Surviving examples
593:Ammunition natures
537:
507:
420:For transport the
221:Production history
103:interlanguage link
1263:
1262:
944:naming convention
837:978-1-59114-838-8
816:978-0-8117-3423-3
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551:in March and the
465:Barrikady factory
461:Bolshevik factory
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1281:280 mm artillery
1223:Air defense guns
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827:Victor Suvorov,
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612:Muzzle velocity
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557:Battle of Berlin
545:Battle of Poznań
440:(25 pieces) and
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81:|topic=
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64:Google Translate
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