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Infantry tank A43 Black Prince (UK)


2017-02-07 14:15:21



 Heavy weight infantry tank mk iv churchill actively used by the UK and friendly nations, had a number of characteristic flaws, which considerably restricted its combat capabilities. First of all, the claim was caused by not enough powerful weapons early modifications and relatively weak engine. For getting rid of the existing shortcomings was repeatedly carried out modernization of the existing machine. In addition, proposed new projects of armored vehicles with improved characteristics, based on the existing "Churchill".

One of the attempts to make a deep modernization of the existing tanks of the project was the a43 black prince. By 1943 it became apparent that in its present form the churchill infantry tank does not meet the requirements of the time. The first few versions of the machine were carrying guns of caliber 45 and 57 mm, the power of which is not allowed to fight with different purposes on the battlefield, especially with the existing enemy tanks. The simplest and most obvious solution to this problem was to use more powerful weapons. In the development of the "Churchill" was soon created several new modifications with calibre to 95 mm.

In addition, in parallel with the improvement of existing machines, it was proposed to create a new model of the tank with the desired characteristics. Experienced tank a43 black prince. Photo weaponsandwarfare. Comradebot new project was entrusted to the specialists of the company vauxhall. The objective of the project was the creation of a new infantry tank based on the design of the existing churchill and armored vehicles with more powerful weapons. It should be noted that the new project eventually became the last attempt to create a so called infantry tank.

Soon the british military was disappointed in perceptions of armored vehicles, with the result that work began on the so-called universal tanks. Looking tank, can replace the car, "Churchill", has been given the working designation and the name of the a43 super churchill. In the future, the project was renamed the black prince in honour of the english historical figures edward of woodstock, known as "The black prince". That is under the new name of the latest project of the infantry tank is widely known. Front view tower of the forehead not covered with a case. Photo c ward / flickr. SoMali new project was quite simple.

The designers were required to equip an existing tank with a new heavy weapon ordnance qf 17-pounder increased power. To install a larger gun in the design of the tank should have some changes. Preliminary analysis of the possibilities showed that the installation of the new gun will have to process not only the existing tower, but the armoured hull. As a consequence, a promising tank a43 really was based on the design of the existing mk iv, but it had to be different sizes and different features. For installing 17-pounder guns in the framework of the project the a43 had to develop a new larger tower with a ring of enlarged diameter.

The last feature of the new project led to the need for some increase in the width of the building. Other features of the hull design remained almost unchanged. The existing structure has been adjusted only in connection with the installation of any new equipment. Externally, the tank resembled the production car churchill. Photo aviarmor. Netрезультатом this approach to the creation of a new model of armored vehicles is to maintain the existing shape of the case with simultaneous changing its size.

In addition, it was proposed to increase the level of protection of the machine through the use of reservation of greater thickness. The case was kept wedge-shaped profile of the front portion with an inclined upper part, paired with a vertical sheet. The bottom sheet of the forehead in this case had a thickness of 140 mm, average 57 mm, top – 152 mm. The body of the tank had a side niche inside track.

The sides of these units had a thickness of 95 mm. From top and rear of the case cover 19 mm roof and the stern sheets with a thickness up to 51 mm. Tower "The black prince" was supposed to be a modified unit serial "Churchill". From the existing device, the dome of the new tower featured a more powerful protection and increased dimensions.

In addition, was modified some lines of the design. The maximum thickness of armor of the tower was increased to 152 mm in the frontal part and the minimum 20 mm of the roof. The tower had a frontal unit with a sloping front portion and a recess, which was rocking the mask layout. The board has formed two leaves, placed at an angle to each other.

Included the use of small forage niches. The view to starboard. Photo imperial war museum / iwm. Org. Yavlyayas deep modernization of production of the infantry tank, new a43 was to be based on the same layout. In the front of the case was a compartment behind the turret and fighting compartment. Aft compartment is fully allocated under the engine, transmission units, fuel system, etc.

For some reasons not fully understood, probably because of the desire to obtain the maximum degree of commonality, the new heavy tank was supposed to receive the same vehicle engine compartment, like serial churchill. At the rear were asked to leave two-row 12-cylinder petrol engine firm bedford, which develops power up to 350 hp near the engine was located two radiator, also it match with the single-disc main clutch dry friction, four-speed manual transmission, steering and other transmission units. The machine on the ground. Photo imperial war museum / iwm. Org. Ikpo some reports, considered the question of equipping heavy tank with engine capacity of 600 hp however, apparently, this proposal never emerged from the stage of preliminary studies. As a result, the specific power of the car remained at 7 hp per ton, although it could be increased, with consequences for mobility. Used suspension existing design.

Photo imperial war museum / iwm. Org. Ikna side niches of the housing bottom is attached with 10 rollers of small diameter with individual spring suspension. Before the main rollers and behind them the project involved the use of two similar parts, suspended at a certain height above the ground. In the front of the case was placed idlers, to the stern – wheel drive. Instead of the traditional supporting rollers used special guides on the corresponding surface of the housing.

For the tank had to develop new tracks, allows you to compensate for the increase in combat weight. Trucks, in general, preserved the existing structure but differ in 24 inches (610 mm) wide. The increase in track width of 10 inches succeeded in reducing the pressure to an acceptable level. The main idea of the project is the a43 black prince was the use of a powerful tank gun ordnance qf 17-pounder. This weapon had a barrel caliber 76. 2 mm length of 55 calibers.

Provided muzzle brake and recoil developed the device. The gun was mounted on modified mounts in the frontal part of the tower. The fighting compartment of relatively large volume they managed to accommodate stacking and shelving for 89 unitary shells. Front view, the tower received the case. Photo aviarmor. Netпри the help of a relatively long barrel gun qf 17-pounder could disperse a high-explosive projectile to a speed of 880 m/s, armor – up to 1200 m/s depending on the type of used armor-piercing projectile, the gun is at a distance of 900 m could penetrate from 130 to 190 mm homogeneous armor.

In some cases, the gun was still the possibility of defeat enemy tanks at distances up to 2-3 km as secondary weapons, the crew of the new tank had to use two besa machine-gun of rifle caliber. One of them was mounted on a gun mount and performed the functions are paired. The second was located in the exchange install front plate, to the left of the longitudinal axis of the machine. The total ammunition with two machine guns consisted of several thousand rounds. Tank at the landfill.

Photo imperial war museum / iwm. Org. Yavlyayas an improved version of an existing machine, a new tank a43 retained similar crew. To control the "Black prince" had five tankers. In the front compartment of the body placed the driver (right) and gunner (left). The latter also served as assistant driver and radio operator.

The commander and gunner were placed inside the tower, its left board. To the right of them was charging. The crew had hatches in the roof of hull and turret: the separation of management and fighting compartment had two hatches. At the workplace of the driver also had the front inspection hatch for driving on the march.

In case of emergency evacuation auxiliary tank had hatches in the sides of the fighting compartment. The installation of a new, more powerful weapons, with the attendant modifications of the towers and chassis meant that the new tank was much larger and heavier than the basic machine. The total length of the a43 infantry tank given the gun was made of 8. 81 m, width 2. 9 m, height of 3. 44 m. The combat weight up to 50 tons, which was approximately 10 tons more than the corresponding parameter of the "Churchill". With 350-horsepower engine, the increase in weight led to a significant drop in power density.

The mobility of the "Black prince" would have provided only 7 horsepower per ton. The right view. Photo imperial war museum / iwm. Org. Kinetostatics powerful engine did not allow to obtain acceptable mobility. The tank's top speed on the highway was only 10. 5 mph (18 km/h), on rough terrain and 7. 5 miles per hour (10-11 km/h). Chassis design has provided rise to a wall height of 75 cm and the intersection of the trench with a width of 3 m without preparation tank could cross the murky depths of 1 m.

The draft vauxhall a43 black prince was launched in 1943. The pace of development of promising of the tank left much to be desired. To complete the project was only the beginning of 1945, after which construction began on the first prototype. The prototype succeeded in testing only at the beginning of ' 45.

The tank came out.



 The air defense system of great Britain. (part 3)

Until the mid 50-ies the basis of the air defense of Land forces of great Britain were anti-aircraft system taken into service before or during the Second world war: a 12.7 mm Browning M2 machine guns, 20 mm anti-aircraft guns Pol... The air Museum in Monino. Part 2. People and planes

