613:, 'boosted'. Development began in 1934, but development was not completed until 1938. The crankshaft, crank case, gearing, and the side joints of the connecting rods were reinforced. The lubrication system was modified, the supercharger improved, and a new gas-distribution system was fitted. The carburetors were moved to behind the supercharger. Rated at 1,200 PS (1,180 hp; 880 kW) and the weight dropped to 690 kg (1,520 lb). It was exhibited in the 1937
380:
636:
The last main production variant of the AM-34. Built during 1938–1939. The crankcase was modified and bronze bushings were used for the main supports. It had a longer crankshaft nose, four K-4 carburetors, and a modified lubrication system. The valve castings were made of magnesium alloy. The power
340:
began in 1932 as the GM-34, but it did not pass its state tests until
December 1934, although it was put into production that same year. It was given a reversing gear, a free-wheel sleeve, and its cooling and exhaust systems were modified. Production continued through 1943 with the GM-34s adapting
275:, and 64 engines had been delivered by the end of the year. 790 were built the following year, and it was exhibited in Paris as an achievement of the Soviet aviation industry. The M-34 was redesignated with Alexsander Mikulin's initials as the AM-34 on 9 August 1936 in honor of his achievement.
292:, 'central boosting unit'), used an auxiliary M-34 fitted inside the fuselage to drive a central supercharger with ducts leading to the engines in the wings. This was flight-tested in a Tupolev TB-3 in 1935. It was adapted for use in a Petlyakov Pe-8 bomber prototype with a smaller
33:
467:, 'supercharged'. Development began in 1931 of this direct-drive model, but the first two-stage supercharger design proved to be quite unreliable. A single-speed replacement was developed at TsIAM and tested in November 1933 and production began in September 1934. The
190:, the Soviet aeroengine industry was mainly engaged in producing foreign designs, notably Wright, Bristol, Hispano-Suiza, and Gnome-Rhône. Several engines of so-called original design were developed, although these were probably largely based on foreign models (e.g.
137:
mass-produced, liquid-cooled, aircraft engine of domestic design. Its initial development was troubled, but it eventually became one of the most successful Soviet aircraft engines of the 1930s. It was utilized on numerous aircraft, including the
471:
was designed as a removable module and could be installed on other versions of the M-34. Rated at 820 PS (810 hp; 600 kW). A PTK steam-powered supercharger was developed and tested from 1938 to 1940, but was not accepted for
496:
A version of the M-34RN with all the changes introduced on the NA and RA models. Same power as before, but weighed 748 kg (1,649 lb). Flight-tested on a TB-3 in May 1935 and production began at the end of the
367:, none of which was put into production. The cooling system was modified with an external fan, and it was given new gearing. An electric starter was used rather than the original pneumatic one. It was rated at 850
217:. It had similar dimensions and attachment points, but was otherwise an entirely new design. It was a direct-drive, block-type engine with the cylinder block connected by long internal studs with centrally coupled
429:, 'reduction gear'. Rated at 800 PS (790 hp; 590 kW) with a weight of 670 kg (1,480 lb). Passed its state trials in May 1933 and in production from the end of that year to the end of 1939.
629:
Next production model of the FRN. Equipped with six carburetors. A small batch was adapted for the ATsN-2 system with pressurized air provided by an external supercharger and flight-tested in a Pe-8 in
525:
A geared equivalent of the NB model with a lightened reduction gear. The power remained the same, but the weight dropped to 725 kg (1,598 lb). In production from
October 1935 until the end of
398:
90R carburetors, although later ones used indigenous K-34 carburetors. In production until the end of 1939. Rated at 800 PS (790 hp; 590 kW) with a weight of 608 kg (1,340 lb).
572:
Prototype built in 1938, similar to the RNV with the addition of a TK-1 turbocharger. Rated at 850 PS (840 hp; 630 kW) and an estimated weight of 810 kg (1,790 lb).
985:
Its origin remainsg in question; available evidence points to
Italian origin, since the V2 adheres very closely to it but was recently discovered to be an original design by Mikulin.
478:
This geared model used the same geared centrifugal supercharger (GCS) as the M-34N and had the same rating. It failed state testing in
September 1934 when the pistons burned through.
296:
engine substituted for the M-34 as the ATsN-2. It was flight-tested during 1938–1939, but was not approved for production. The same idea was revived in 1943 by Nazi
Germany with the
784:
779:
670:, block, heads, and some other components of the AM-34FRNV aircraft engine. Rated at 1,000 PS (990 hp; 740 kW) with a weight of 1,080 kg (2,380 lb) with a
592:
Prototype with a geared centrifugal supercharger and a TK-1 supercharger. Flight-tested in a TB-3. Compression ratio of 6.6:1 and rated at 985 PS (972 hp; 724 kW).
774:
769:
764:
637:
remained the same, but the weight increased to 763.5 kg (1,683 lb). Variants with fuel injection and two TK-1 turbochargers were tested, but not put into production.
680:
A version of the GAM-34F with a FN-25 geared centrifugal supercharger and one K-4 carburetor. It used the oil system of the GAM-34BS and was in production from August 1939.
560:, 'fuel-injected'. It passed its bench tests in 1935 and was flight-tested in 1937, but was not accepted for production. Rated at 985 PS (972 hp; 724 kW).
352:
A version of the GM-34 was adapted for use in heavy tanks in 1939 as the GAM-34BT, although only small numbers were built. It was mounted in the prototypes of the
222:
313:
which caused a different stroke of 190 mm (7.5 in) and 199 mm (7.8 in) between right and left cylinder bank. The displacement was 46.9
545:
in the V between the cylinder banks that fired through a hollow gear shaft. The specification was issued in August 1934, but no further information is known.
221:. The development of the engine process was prolonged, with the engineering drawings not completed until April 1931. The first engine was delivered to
1244:
1239:
1234:
1229:
1224:
1262:
1161:
511:
with a modified nose and a refined supercharger. The power remained the same, but the weight dropped to 638 kg (1,407 lb). A TK-1
279:
178:. A version of the maritime model was adapted for use in several prototype heavy tanks in 1939, although none was placed into production.
692:
An improved version of the GAM-34BP. Rated at 850 PS (840 hp; 630 kW) with a weight of 1,045 kg (2,304 lb).
264:-designed K-34 carburetors, but was again rejected. It was resubmitted in January 1933, but again failed. It was flight-tested in a
598:
A prototype with a supercharger, two turbochargers, and four K-4 carburetors. Rated at 1,030 PS (1,020 hp; 760 kW).
484:
A version of the M-34N with minor changes to some components to extend service life. It had the same power as the original model.
1303:
656:
Intended for motor torpedo boats. Rated at 800 PS (790 hp; 590 kW) with a weight of 864 kg (1,905 lb).
448:
record-breaking aircraft. RPMs were boosted to give a power of 830 PS (820 hp). Later fifty more were built to power
444:, 'long-range'. Ten engines built with special attention to quality, smaller tolerances, and K-34RD carburetors to equip the
341:
features from the aviation models. With the exception of the GAM-34BP and the original GM-34, all maritime engines used a
1298:
1154:
1125:
1106:
1308:
468:
1147:
759:
171:
293:
286:
to supply pressurized air to the aircraft's M-34FRN engines. The first installation, designated ATsN-1 (
966:
857:
190 and 199 mm (7.48 and 7.83 in) different between right and left cylinder bank due to
252:'Central Aviation Motors Institute') on 21 September 1931 for bench testing with imported
1005:
SST Chobhan Lane
Chertsey, Report on Russian C.I. Tank Engine, Report No. 0049989, May 1944.
321:). Combined with a number of other changes power significantly increased in most models to 1,200
235:
260:. It began state testing in November 1931, but failed. It was submitted again a year later with
384:
934:
858:
310:
218:
1181:
8:
864:
395:
247:
712:
643:
Superchargers were removed from AM-34RNB engines during 1938–1939 to create this model.
364:
337:
278:
The M-34 was used in an unusual system, first tried by
Imperial Germany in 1918 with a
175:
167:
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925:
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368:
322:
71:
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17:
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Small batch built in 1933 with a rating at 830 PS (820 hp; 610 kW).
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623:
First main production version of the FRN model. Equipped with four carburetors.
614:
516:
445:
203:
155:
151:
309:
Like the BMW VI and the
Mikulin M-17, the AM-34FRN and subsequent models used
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271:
Despite these failures it began production in 1932 at
Factory No. 24 in
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747:
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707:
512:
449:
346:
283:
265:
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210:
202:, etc.). The M-34 was thought to have been originally designed in Italy by
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61:
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A version of the M-34R with the same changes and power as the M-34NA.
578:
Prototype built in 1938 with mixed cooling; air-cooled sleeves, and
394:
First production version. Direct drive. Early engines used imported
16:"AM-34" redirects here. For the United States Navy minesweeper, see
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The M-34 began development in 1928 as a replacement for the
32:
1025:
1023:
206:; it closely follows Italian inline aeroengine practice.
1071:
1047:
1020:
541:, 'cannon'. A version of the M-34RN adapted to mount an
586:. Rated at 1,200 PS (1,180 hp; 880 kW).
608:
555:
536:
462:
439:
424:
287:
240:
404:Two engines driving one propeller, project for the
662:A boosted version of the GM-34 it had bronze main
242:Tsentralniy institut aviatsionnogo motorostroeniya
1290:
1101:. Cambridge, England: Patrick Stephens Limited.
231:Центральный институт авиационного моторостроения
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812:
1120:. Marlborough, Wiltshire: Crowood Press.
921:13.42 kW/L (0.29 hp/cu in)
181:
378:
1093:
1291:
912:800 PS (790 hp; 590 kW)
1143:
647:
452:bombers converted to VIP transports.
869:46.9 L (2,862 cu in)
515:was tested with the prototype on a
13:
1099:World Encyclopedia of Aero Engines
1087:
503:The NA fitted with a strengthened
300:bomber prototype series, with the
14:
1320:
1135:
939:0.92 kW/kg (0.56 hp/lb)
686:Intended for armored river boats.
566:Geared version similar to the NV.
31:
785:Project 1125 armored river boat
780:Project 1124 armored river boat
696:
383:Mikulin M-34 on display at the
1008:
999:
979:
903:
213:, a license-built copy of the
1:
1304:1930s aircraft piston engines
1116:Kotelnikov, Vladimir (2005).
992:
882:
775:SM-4-class motor torpedo boat
469:centrifugal type supercharger
336:Development of a version for
289:agregat tsentral'nogo nadduva
770:G-8-class motor torpedo boat
765:G-6-class motor torpedo boat
760:G-5-class motor torpedo boat
371:(840 hp; 630 kW).
7:
1118:Russian Piston Aero Engines
1017:, Brereton 1967, p. 3.
943:
878:670 kg (1,480 lb)
859:articulated connecting rods
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311:articulated connecting rods
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219:articulated connecting rods
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848:160 mm (6.30 in)
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25:
1299:Mikulin aircraft engines
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967:List of aircraft engines
790:
827:General characteristics
813:Specifications (AM-34R)
282:, that used a separate
557:neposredstvenny vprysk
387:
385:Polish Aviation Museum
302:
182:Design and development
174:and various prototype
935:Power-to-weight ratio
382:
303:Höhen-Zentrale Anlage
298:Henschel Hs 130E
280:Zeppelin-Staaken R.VI
1309:V12 aircraft engines
1068:, pp. 106, 108.
360:heavy tanks and the
131:Mikulin AM-34 (M-34)
1044:, pp. 105–106.
949:Related development
338:motor torpedo boats
176:motor torpedo boats
40:Mikulin M-34, 1932
713:Bolkhovitinov DB-A
388:
365:self-propelled gun
168:Bolkhovitinov DB-A
87:Major applications
1286:
1285:
1015:Armour in Profile
926:Compression ratio
672:compression ratio
648:Maritime variants
323:metric horsepower
268:in October 1933.
251:
239:
170:, as well as the
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72:Alexander Mikulin
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835:12-cylinder 60°
821:Kotelnikov (2005
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408:, no production.
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18:USS Swan (AM-34)
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1088:Further reading
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1078:Kotelnikov 2005
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1054:Kotelnikov 2005
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897:Cooling system:
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839:aircraft engine
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728:Polikarpov I-17
704:
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580:ethylene glycol
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164:Polikarpov I-17
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57:National origin
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1136:External links
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1080:, p. 108.
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584:cylinder heads
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517:Polikarpov R-Z
507:, a lightened
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446:Tupolev ANT-25
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317:(2,862.0
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152:Tupolev ANT-20
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117:Developed into
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961:Related lists
956:
955:Mikulin AM-35
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122:Mikulin AM-35
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899:Water-cooled
896:
889:Fuel system:
888:
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865:Displacement
863:
851:
842:
832:
817:
816:
748:Tupolev TB-4
743:Tupolev TB-3
708:Beriev MBR-2
697:Applications
610:forsirovanny
604:
551:
532:
513:turbocharger
458:
450:Tupolev TB-3
435:
420:
401:Coupled M-34
351:
347:alcohol fuel
335:
325:(1,180
308:
294:Klimov M-100
284:supercharger
277:
270:
266:Tupolev TB-3
211:Mikulin M-17
208:
200:Klimov M-103
192:Mikulin M-17
188:World War II
185:
148:Tupolev TB-4
144:Tupolev TB-3
140:Beriev MBR-2
130:
128:
107:Number built
92:Tupolev TB-3
62:Soviet Union
904:Performance
718:Kalinin K-7
569:AM-34RNV-TK
472:production.
464:nagnetatel'
406:Kalinin K-7
329:; 880
254:carburetors
160:Kalinin K-7
1293:Categories
993:References
892:Carburetor
883:Components
874:Dry weight
668:crankshaft
630:1938–1939.
543:autocannon
509:crankshaft
319:cu in
101:1934–1943
78:First run
50:V12 engine
1255:Turbojets
818:Data from
674:of 7.3:1.
633:AM-34FRNV
626:AM-34FRNB
620:AM-34FRNA
538:pushechny
505:crankcase
349:mixture.
236:romanized
172:G-5 class
98:Produced
68:Designer
1097:(1989).
944:See also
754:Maritime
702:Aviation
689:GAM-34BS
683:GAM-34BP
677:GAM-34FN
664:bushings
601:AM-34FRN
582:-cooled
519:in 1936.
426:reduktor
375:Variants
258:magnetos
1171:Mikulin
807:SU-100Y
659:GAM-34F
640:AM-34RB
595:M-34N2B
589:AM-34NF
575:AM-34RS
563:M-34RNV
522:M-34RNB
493:M-34RNA
441:dal'niy
362:SU-100Y
343:benzene
250:
238::
227:Russian
186:Before
111:10,538
1124:
1105:
853:Stroke
548:M-34NV
500:M-34NB
487:M-34RA
481:M-34NA
475:M-34RN
432:M-34RD
396:Zenith
306:unit.
273:Moscow
262:Soviet
215:BMW VI
166:, and
135:Soviet
133:was a
26:AM-34
1245:AM-47
1240:AM-46
1235:AM-45
1230:AM-44
1225:AM-43
1220:AM-42
1215:AM-39
1210:AM-38
1205:AM-37
1200:AM-35
1195:AM-34
973:Notes
930:6.0:1
833:Type:
797:T-100
791:Tanks
653:GM-34
529:M-34P
526:1939.
497:year.
455:M-34N
417:M-34R
411:M-34F
354:T-100
223:TsIAM
81:1931
45:Type
1278:AM-9
1273:AM-5
1268:AM-3
1263:AM-2
1190:M-17
1122:ISBN
1103:ISBN
844:Bore
607:for
554:for
535:for
461:for
438:for
423:for
391:M-34
356:and
256:and
248:lit.
204:Fiat
129:The
837:Vee
802:SMK
358:SMK
333:).
1295::
1022:^
552:NV
369:PS
331:kW
327:hp
245:,
233:,
229::
198:,
194:,
162:,
158:,
154:,
150:,
146:,
142:,
1163:e
1156:t
1149:v
1130:.
1111:.
937::
928::
919::
876::
867::
855::
846::
617:.
605:F
533:P
459:N
436:D
421:R
345:-
315:L
225:(
20:.
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