26:
157:, an 18-cylinder liquid-cooled engine of unusual design, with three banks of six cylinders arranged in an inverted "Y"-shape, which was to have a takeoff power of 1,800 hp (1,346 kW). It was to have a crew of four consisting of a pilot, navigator, dorsal gunner and radio operator. Defensive armament was three
149:). While the DB-3F was a relatively simple upgrade of the DB-3, the TsKB-56, which had the service designation DB-3, was larger and heavier, in order to meet the requirements for greater performance and a heavier bombload. The DB-4 had a high-mounted wing to accommodate a large bomb bay, with a retractable
181:
Flight testing showed that the aircraft had poor low speed stability, while the fuselage, with its large bomb bay was prone to flexing, resulting in larger tail surfaces being fitted and the fuselage being strengthened. The AM-37 engines, while a development of the earlier
125:
and was intended as a replacement for the earlier aircraft, but only two prototypes were built; engine problems and the need to concentrate production on existing types following the German invasion of the Soviet Union in June 1941 meant that no more examples were built.
145:
twin-engined, long-range bomber. Ilyushin carried out design work on the new aircraft, which was given the internal design bureau designation TsKB-56, in parallel with the DB-3F (later designated the
871:
178:
at its controls. The second aircraft, with twin tails, was completed in
November 1940 with M-120 engines, but these were replaced with AM-37s before it flew on 20 February 1941.
208:
in 1941 lead to an end of production of the DB-4, with the factory allocated for production evacuated from Moscow to the East, and ordered to concentrate on urgently needed
881:
864:
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ground-attack aircraft and the Il-4 bomber. The two prototypes continued in use as testbeds to aid development of improved versions of the Il-4 and the later
161:, one in the nose, one in a dorsal turret and one firing through a ventral hatch, while the deep bomb bay could carry 1,000 kg (2,200 lb) of bombs.
487:
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to allow testing of the first prototype to be completed. This aircraft, fitted with a single vertical fin, made its maiden flight on 15 October 1940, with
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The proposed M-120 engines proved to be troublesome, and it was decided to replace them with 1,400 hp (1,044 kW)
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engine, proved to be unreliable, and plans were made to fit alternative engines, including the
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fitted, while the radial engines of the DB-3 were to be replaced by the new
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141:(or design bureau) was tasked with designing a replacement for its
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500 km/h (310 mph, 270 kn) at 6,000 m (19,700 ft)
853:
469:
138:
433:
OKB Ilyushin: A History of the Design Bureau and its
Aircraft
1052:
431:
Gordon, Yefim, Dmitry
Komissarov and Sergei Komissarov.
1210:
204:, although none of these alternatives were fitted. The
344:
1,000 kg (2,200 lb ) normal (3,000 kg (6,600) maximum)
451:
227:
408:
Gordon, Komissarov and
Komissarov 2004, pp. 105–106.
379:
Gordon, Komissarov and
Komissarov 2004, pp. 104–105.
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121:of the early 1940s. It was a development of the
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417:Gordon, Komissarov and Komissarov 2004, p. 106.
399:Gordon, Komissarov and Komissarov 2004, p. 105.
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312:4,000 km (2,500 mi, 2,200 nmi)
8:
1102:
872:
858:
850:
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474:
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435:. Hinkley, UK: Midland Publishing, 2004.
356:
291:, 1,000 kW (1,400 hp) each
15:
1152:
1132:
7:
1293:Twin piston-engined tractor aircraft
338:(nose, dorsal and ventral positions)
113:- central construction bureau) is a
111:Tsentral'noye Konstruktorskoye Byuro
882:bomber/attack aircraft designations
247:17.85 m (58 ft 7 in)
206:German invasion of the Soviet Union
253:25.0 m (82 ft 0 in)
14:
259:83.0 m (893 sq ft)
277:13,006 kg (28,673 lb)
24:
271:10,860 kg (23,942 lb)
101:(DB - Дальний бомбардировщик -
318:10,000 m (33,000 ft)
265:7,561 kg (16,669 lb)
1:
1288:Aircraft first flown in 1940
1278:1940s Soviet bomber aircraft
1309:
1253:
1171:Short-range dive bomber (
23:
18:
453:. London: Osprey, 1995.
105:- long-range bomber) or
103:Dalniy Bombardirovshchik
1051:Heavy bomber seaplane (
232:General characteristics
151:tailwheel undercarriage
134:In the late 1930s, the
1242:High-speed dive bomber
130:Design and development
1101:Heavy ground-attack (
370:Gunston 1995, p. 103.
1255:Unknown/not assigned
1211:Light armored-attack
1182:BPB-1 through BPB-21
890:Short-range bomber (
975:DB-5 through DB-239
937:Long-range bomber (
275:Max takeoff weight:
1283:High-wing aircraft
916:BB-4 through BB-21
694:Passenger aircraft
336:ShKAS machine guns
176:Vladimir Kokkinaki
159:ShKAS machine guns
1273:Ilyushin aircraft
1260:
1259:
847:
846:
199:Charomskiy ACh-30
95:
94:
36:Long-range bomber
1300:
1243:
1235:
1220:
1212:
1204:
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1154:
1151:Torpedo bomber (
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1131:Torpedo bomber (
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1076:Armored bomber (
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316:Service ceiling:
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69:15 October 1940
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38:Type of aircraft
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1203:Tactical bomber
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526:Attack aircraft
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304:Maximum speed:
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287:liquid-cooled
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220:Specifications
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195:radial engines
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1234:Attack bomber
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459:1-85532-405-9
456:
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447:Gunston, Bill
445:
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441:1-85780-187-3
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285:Mikulin AM-37
282:
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269:Gross weight:
267:
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263:Empty weight:
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237:
236:
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217:
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214:Ilyushin Il-6
211:
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203:
202:Diesel engine
200:
196:
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188:Shvetsov M-71
185:
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166:Mikulin AM-37
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123:Ilyushin DB-3
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117:twin-engined
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99:Ilyushin DB-4
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90:Ilyushin DB-3
88:
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66:First flight
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56:Manufacturer
55:
54:
51:
48:
43:
42:
35:
32:
31:
27:
22:
17:
969:
796:Experimental
706:Il-18 (1946)
593:
450:
432:
413:
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347:
341:
334:3 × 7.62 mm
331:
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321:
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244:
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231:
229:
224:
223:
180:
163:
155:Klimov M-120
133:
110:
106:
102:
98:
96:
75:Number built
60:Ilyushin OKB
50:Soviet Union
1219:Fast bomber
1196:Descriptors
884:, 1923–1940
297:Performance
281:Powerplant:
169:V12 engines
1267:Categories
762:Il-22 (II)
645:Il-20 (II)
633:Transports
425:References
289:V12 engine
257:Wing area:
173:test pilot
604:Il-22 (I)
553:Il-20 (I)
251:Wingspan:
225:Data from
505:Fighters
499:aircraft
497:Ilyushin
324:Armament
216:bomber.
197:and the
136:Ilyushin
109:(TsKB -
880:Soviet
832:Trainer
685:PAK VTA
577:Bombers
245:Length:
107:TsKB-56
1187:BPB-22
980:DB-240
839:Il-103
777:Il-140
757:Il-20M
741:Il-114
736:Il-108
680:Il-276
675:Il-112
670:Il-106
568:Il-102
457:
439:
342:Bombs:
310:Range:
115:Soviet
1162:TOM-1
1122:TSh-3
1117:TSh-2
1112:TSh-1
1092:BSh-2
1087:BSh-1
1067:MTB-2
1062:MTB-1
992:DB-LK
921:BB-22
823:Il-26
787:A-100
772:Il-38
767:Il-24
731:Il-96
726:Il-90
721:Il-86
716:Il-62
711:Il-18
701:Il-14
665:Il-80
660:Il-78
655:Il-76
650:Il-32
640:Il-12
624:Il-54
619:Il-46
614:Il-30
609:Il-28
563:Il-42
558:Il-40
548:Il-16
543:Il-10
351:Notes
332:Guns:
239:Crew:
184:AM-35
33:Role
19:DB-4
1214:LBSh
1042:TB-7
1037:TB-6
1032:TB-5
1027:TB-4
1022:TB-3
1017:TB-2
1012:TB-1
987:DB-A
970:DB-4
958:DB-3
953:DB-2
948:DB-1
911:BB-3
906:BB-2
901:BB-1
818:Il-8
813:Il-1
808:I-21
803:A-60
782:A-50
599:Il-6
594:DB-4
589:Il-4
584:DB-3
538:Il-8
533:Il-2
517:Il-1
512:I-21
455:ISBN
437:ISBN
283:2 ×
241:four
210:Il-2
192:M-82
190:and
147:Il-4
143:DB-3
97:The
1245:SPB
1237:ShB
1173:BPB
1153:TOM
1142:T-1
1103:TSh
1078:BSh
1053:MTB
926:bis
139:OKB
1269::
1227:RK
1222:SB
1206:FB
1003:TB
939:DB
892:BB
449:.
384:^
359:^
79:2
1175:)
1155:)
1135:)
1133:T
1105:)
1080:)
1055:)
1005:)
963:F
941:)
894:)
873:e
866:t
859:v
489:e
482:t
475:v
461:.
443:.
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