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T-34 tank


T-34 Model 1941 and 1942 with 76.2-mm-gun F-34.
History, development, service, specifications, statistics, pictures, video and 3D model of the Soviet medium battle tank of WW2.

3D model T-34 Model 1942.
3D model T-34 Model 1942.

T-34 Models 1941, 1942.
Type: medium battle tank with 76.2-mm-gun F-34.

History:

T-34 Model 1942
The T-34 Model 1942 closely resembled the Model 1941, but incorporated a number of detail changes which had been introduced to simplify production and reduce costs.

The combat debut of the T-34 Model 1940 tank in the summer of 1941 revealed it to be unquestionably the finest tank design of its time. The revolutionary combination of thick, angled armour, heavy firepower and superb mobility placed it in a dass above its closest German contemporaries, the Panzer III and Panzer IV. This forced the Germans to begin a costly programme of up-gunning and up-armouring its tanks, and initiate the development of a new tank, the Panzer V Panther to serve as an antidote to the T-34. The appearance of the T-34 also forced the Germans to completely revamp their anti-tank arsenal because the existing 37mm PAK 36 and 50mm anti-tank guns were largely ineffective against the T-34 and KV tank . While the 88 mm AA gun could be used as a stopgap in limited circumstances, only the arrival of the PAK 40 75mm anti-tank gun could restore the balance.

The early T-34 was not without its problems. The early production batches had serious transmission defects, and indeed, probably more T-34s were lost in 1941 to mechanical trouble than to enemy action.

During the evacuation of KhPZ No. 183 to Nizhni Tagil, production of the T-34 shifted to the Stalingrad Tractor Factory and to Krasnoye Sormovo Zavod No. 112 which began T-34 production in July 1941. The GKB-T-34 (T-34 Main Design Bureau), headed by Morozov since Koshkin’s death, was shifted to Nizhni Tagil as well.

Two vexing questions remained. The T-34 Model 1940 was armed with the short L-11 gun which did not meet the stated requirements. P. Muraviev of F. Grabin’s design team at Zavod Nr. 92 in Gorki had designed a much superior gun, the F-34, before the war, but in the confused state of gun production brought about by Kulik’s interference, none of the relevant bureaucrats would authorize its production. Grabin, with the connivance of the director of Zavod Nr. 92 began providing KhPZ with the new F-34 in place of the L-11, and the first unofficial T-34 Model 1941s began to appear shortly before the war started.
Used mainly as platoon and company commanders’ tanks, they were enormously popular, and letters were sent from a number of units praising the new design. This came to the attention of Stalin and the GKO which finally authorized the F-34. It would remain the main gun of the T-34 until 1944 (followed by the T-34-85 with 85-mm gun in 1944).

The second problem was that in 1940 when permission to begin production of the T-34 was sought, its critics forced the design team to agree to develop a more satisfactory design, the T-34M. The more realistic members of the GVS upset an attempt to delay production of the T-34 until the T-34M was ready and in the critical state of affairs in the autumn of 1941, the T-34M project slipped into limbo before a prototype had been completed.

The same conservative critics of the T-34 had also insisted on the production of an infantry tank, the T-50, to supplement the T-34. By the time that T-50 production commenced at Omsk in 1941, however, it became apparent that the infantry tank would cost as much to produce as a T-34, yet clearly did not have equal combat utility. It was a luxury the Red Army could ill afford at the time and was cancelled after a small production run. This left the T-34 as the universal tank that Koshkin had originally proposed, fulfilling the roles previously filled by the T-26 infantry tank, BT cavalry tank and T-28 medium tank.

The main emphasis of the Morozov design team was on simplification of the T-34 to cut costs and make production by an unskilled work force easier. In the spring of 1941, V.Buslov and V.Nitsenko developed a cast turret, similar in outline to the welded turret used on the T-34, but easier to manufacture. It was adopted and both T-34 Model 1940s and Model 1941s used cast and welded turrets. T-34s produced at STZ primarily used welded turrets; those produced at Krasnoye Sormovo used cast turrets.

Late in 1941, the GKB-T-34 developed a new version of the T-34 called the T-34 Model 1942. It was very similar in appearance to the earlier models, but many of the components had been simplified. For example the F-34 Model 1941 gun had 861 parts while the Model 42 gun had only 614.


In terms of man power and metal, the cost of a T-34 dropped from 269,500 roubles in 1941 to 193,000 in 1942. New techniques, such as automatic welding system developed by Professor E. Paton facilitated this effort.

The only major external features which identified this new version were the redesigned driver’s hatch, the circular access port in the rear and other small details. At the end of 1941 the T-34 Model 1942 was gradually eased into production at STZ and Krasnoye Sormovo, as parts for the earlier Model 1941 were used up. Indeed, STZ produced some tanks which combined features from both the Model 1941 and the Model 1942. Production of the T-34 at Nizhni Tagil resumed in December 1941 despite horrendous conditions.

Users: Russia.


Animated 3D model T-34 Model 1941


Specifications for T-34 Model 1941

Specifications:

T-34 Model 1941 Specification
Typemedium battle tank
Engine12 cylinders V-2 with 500 hp
Gearbox?
Crew total4
Turret crew2
Length6.68 m
Width3.00 m
Height2.45 m
Weight26.5 tonnes
Maximum speed53 km/h
Cross-country speed?
Fuel consumption per 100 km (road)c.115 litres
Fuel460 litres
Road radius400 km
Cross-country radius260 km
Vertical obstaclec.0.71 m
Trench crossingc.2.95 m
Fording depthc.1.37 m
Turning circle?
Gradientc.35 %

Armour:

T-34 Model 1941mmangle
Turret front52?
Turret side52?
Turret rear45?
Turret top20?
Superstructure front--
Superstructure side--
Superstructure rear--
Superstructure top--
Hull front45?
Hull side45?
Hull rear47?
Hull top20?
Hull bottom21?
Gun mantlet??

Armament and Equipment:

T-34 Model 1941Specification
Main armament76.2-mm-gun F-34
Rounds77
Traverse 360°
Elevation ?
Muzzle velocity Armour piercing (APCBC) 655 m/s
Muzzle velocity Armour piercing (DS) 965 m/s (limited available)
Muzzle velocity HEAT 325 m/s (limited available)
Muzzle velocity High explosive (HE)680 m/s
Muzzle velocity High-explosive fragmentation680 m/s
Shell weight Armour piericing (APCBC) 6.3 kg
Shell weight Armour piercing (DS) 3.0 kg
Shell weight HEAT 3.94 kg
Shell weight High explosive (HE) 6.23 kg
Shell weight HE-fragementation 6.21 kg
Secondary armament two 7.62 mm DT MG
Radio 71-TK-3 (range 28 km - only in unit leader vehicles
Telescopic sight ?

Penetration mm at 30° armour plates of 76.2-mm-gun F-34:

RangeAPCBCDSHEAT
Penetration 100 meters??c.60mm (75mm at 0°)
Penetration 500 meters56mm (69mm at 0°)c.74mm (92mm at 0°)c.60mm (75mm at 0°)
Penetration 1,000 meters50mm (61mm at 0°)c.48mm (60mm at 0°)c.60mm (75mm at 0°)
Penetration 1,500 meters45mm-c.60mm (75mm at 0°)
Penetration 2,000 meters40mm-c.60mm (75mm at 0°)

Production:

T-34 Model 1941figures
Production summer 1941 - early 1942
Combat delivery April 1942
Price per tank 269,500 Rubels
Total production figure (all variants) c.53,000 + 9,000 from 1953 in Poland and Czechoslovakia

Service statistics of all T-34 variants with 76.2-mm-gun:

YearAvailableProductionLosses
before 1939---
1939---
1940-117-
1941967 (22 June) 3,014?
1942? 12,553?
1943? 15,712?
1944 ? 3,723?
1945 ? -?
Total- 35,119?


Animated 3D model T-34 Model 1942


References and literature

Fire and Movement (RAC Tank Museum)
Soviet Tanks and Combat Vehicles of World War Two (Steven J. Zaloga, James Grandsen)
Panzer und andere Kampffahrzeuge von 1916 bis heute (Christopher F. Foss, John F. Milsom, Colonel John Stafford Weeks, Captain Georffrey Tillotson, Richard M. Ogorkiewicz)
Panzerkampfwagen des 1. und 2. Weltkrieges (Andrew Kershaw)
Krieg der Panzer (Piekalkiewicz)
The Encyclopedia of Weapons of World War II (Chris Bishop)


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