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was a comparatively intricate and well finished gun, the cost of which necessitated that it be kept in operating condition as long as possible by repair and replacement of parts. In contrast to the Shkas, the
Beresin was deliberately expendable, that is, the Soviets' plan was to discard the entire
301:(Березин Синхронный, Berezin Sinkhronniy, Berezin Synchronized). The rate of fire made it well suited for use as defensive armament in aircraft. While a successful design, BS was not without its faults, the biggest being its cable-operated charging which required considerable physical strength.
348:
with a unique system in which each new round helps to extract the spent cartridge. Another unusual feature is that the belt is advanced during the return of the moving portion of the gun and not during the recoil. Turret installations were charged manually, while wing and synchronized versions
296:
began designing a new large-caliber aircraft machine gun chambered to the 12.7 mm round used by infantry machine guns. The new design passed factory trials in 1938 and was accepted into service in 1939 under the designation
364:
gun after a short period of use during which one or another of the principal operating mechanisms became worn or broken." The same report notes that: "The design of the
Beresin machine gun was greatly influenced by a captured
291:
553:
93:
320:(Турельный, Turelniy, for the turret), with UBS and UBK charged by compressed air. The UB was accepted into service on April 22, 1941, just two months before the
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503:
Soviet Cannon - A Comprehensive Study of Soviet Arms and
Ammunition in Calibres 12.7mm to 57mm
1056:
847:
406:
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20-mm machine cannon; many features of the
Finnish gun appear in all models of the Beresin."
915:
183:
151:
8:
584:
973:
715:
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163:
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The UB in all variants was used by the vast majority of Soviet military aircraft of
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The following production numbers could be found in the Soviet archives:
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135:
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30:
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The
Machine Gun, Vol II, Part VII. US Department of the Navy, 1952
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A declassified 1952 US intelligence report notes that: "The
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autocannon used an upscaled version of the UB mechanism.
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autocannon used an upscaled version of the UB mechanism.
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infantry machine gun round. Ammunition is supplied via a
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304:Continued development resulted in the improved
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437:Shirokograd, p. 118; no number given for 1942
316:(Синхронный, Sinkhronniy, Synchronized), and
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540:
1224:Weapons and ammunition introduced in 1939
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268:
260:
312:(Крыльевой, Krylyevoi, for the wings),
128:1,347 mm (53.0 in) (UBS, UBK)
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1229:KBP Instrument Design Bureau products
535:
118:21.14 kilograms (46.6 lb) (UBK)
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433:
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120:21.43 kilograms (47.2 lb) (UBT)
116:21.45 kilograms (47.3 lb) (UBS)
322:German invasion of the Soviet Union
13:
130:1,397 mm (55.0 in) (UBT)
35:UBS machine gun on display at the
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1214:Aircraft guns of the Soviet Union
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482:Istorya aviatsionnogo vooruzhenia
480:Харвест (Shirokograd A.B. (2001)
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1219:Machine guns of the Soviet Union
29:
478:История авиационного вооружения
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308:which came in three versions:
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196:814 m/s (2,670 ft/s)
1:
506:. Austria: Koll. p. 58.
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393:
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349:utilized pneumatic charging.
494:History of aircraft armament
94:Mikhail Yevgenyevich Berezin
7:
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232:УБ - Универсальный Березина
37:Steven F. Udvar-Hazy Center
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141:890 mm (35.0 in)
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54:Place of origin
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1209:12.7×108 mm machine guns
500:Koll, Christian (2009).
460:List of Russian weaponry
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346:disintegrating link belt
476:Широкоград А.Б. (2001)
465:M2 Browning machine gun
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176:Rate of fire
407:Volkov-Yartsev VYa-23
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332:The Berezin UB is a
192:Muzzle velocity
249:widely used during
236:Berezin's Universal
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85:Production history
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240:12.7 mm caliber
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62:Service history
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23:UB machine gun
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108:Specifications
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811:9M14 Malyutka
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389:1945 — 42,952
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383:1943 — 43,690
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1041:Berezin B-20
1005:
946:machine guns
896:OFAB-100-120
883:Aerial bombs
816:9K114 Shturm
502:
493:
481:
477:
446:Chinn, p. 96
442:
425:Chinn, p. 94
421:
404:
400:Berezin B-20
397:
380:1941 — 6,300
375:
358:
354:World War II
351:
334:gas-operated
331:
317:
313:
309:
305:
303:
298:
284:
251:World War II
235:
223:
221:
184:synchronized
180:800–1050 RPM
138: length
79:World War II
70:Soviet Union
67:Used by
57:Soviet Union
979:Savin–Norov
941:Autocannons
826:9K121 Vikhr
821:9M120 Ataka
806:9M17 Fleyta
565:and former
338:machine gun
336:air-cooled
328:Description
290: [
257:Development
247:machine gun
215:Iron sights
48:Machine gun
16:Machine gun
1203:Categories
1006:Berezin UB
585:Air-to-air
471:References
394:Influences
372:Production
342:12.7×108mm
224:Berezin UB
157:12.7×108mm
1016:YakB-12.7
984:GShG-7.62
848:RS-82/132
801:3M6 Shmel
793:Anti-tank
716:Anti-ship
484:Harvest.
285:In 1937,
245:aircraft
182:(700-800
152:Cartridge
1118:GSh-6-30
1113:GSh-30-2
1108:GSh-30-1
1087:GSh-6-23
931:FAB-9000
911:FAB-5000
576:Missiles
454:See also
238:) was a
205:Belt-fed
100:Designed
90:Designer
1002:12.7 mm
993:12.7 mm
960:SIBEMAS
954:7.62 mm
906:FAB-500
901:FAB-250
840:Rockets
563:Russian
228:Russian
103:1937–39
1082:GSh-23
1057:VYa-23
720:cruise
567:Soviet
510:
488:
243:Soviet
211:Sights
164:Action
136:Barrel
125:Length
1174:57 mm
1165:NS-45
1158:45 mm
1144:NS-37
1139:Sh-37
1132:37 mm
1103:NR-30
1096:30 mm
1072:AM-23
1067:NR-23
1062:NS-23
1050:23 mm
1037:20 mm
1035:ShVAK
1025:20 mm
1000:ShVAK
974:ShKAS
783:Kh-90
778:Kh-45
773:Kh-35
768:Kh-31
763:Kh-15
758:Kh-55
753:KSR-5
748:KSR-2
743:Kh-22
738:Kh-20
733:K-10S
701:Kh-59
696:Kh-58
691:Kh-45
686:Kh-29
681:Kh-28
676:Kh-25
671:Kh-23
413:Notes
366:Lahti
361:Shkas
294:]
1149:N-37
1123:2A42
1077:R-23
1031:Sh-3
964:PV-1
921:PTAB
916:RRAB
873:S-25
868:S-24
863:S-13
728:KS-1
706:LMUR
653:R-37
648:R-77
643:R-73
638:R-27
633:R-33
628:R-60
623:R-23
618:R-40
608:R-38
508:ISBN
486:ISBN
405:The
398:The
222:The
186:UBS)
113:Mass
75:Wars
44:Type
891:FAB
858:S-8
853:S-5
613:R-4
603:R-8
598:R-3
593:K-5
492:) (
318:UBT
314:UBS
310:UBK
281:UBT
273:UBS
265:UBK
234:) (
169:Gas
1205::
969:DA
718:,
430:^
356:.
324:.
306:UB
299:BS
292:ru
253:.
230::
943:,
555:e
548:t
541:v
516:.
496:)
226:(
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