Tank Oddities – Part 3

 

Tank Oddities – Part 3

By Chief Mac – 28 June 2023

Part 2 had flying tanks and this one will be different. When is one cannon not enough, add more.

Char B1

The Char B1 was a specialized break-through vehicle, originally conceived as a self-propelled gun with a 75 mm howitzer in the hull; later a 47 mm gun in a turret was added, to allow it to function also as a Char de Bataille, a "battle tank" fighting enemy armor, equipping the armored divisions of the Infantry Arm. Starting in the early twenties, its development and production were repeatedly delayed, resulting in a vehicle that was both technologically complex and expensive, and already obsolescent when real mass-production of a derived version, the Char B1 "bis", started in the late 1930s. A further up-armored version, the Char B1 "ter", was only built in two prototypes.

7TP

The 7TP (siedmiotonowy polski - 7-tonne Polish) was a Polish light tank of the Second World War. It was developed from the British Vickers 6-ton.

The 7TP was initially produced in two variants: twin turret version armed with 2 Ckm wz.30 machine guns, and a single turret version, armed with 37 mm Bofors wz. 37 gun. After initial tests, it became clear that the twin-turret variant was obsolete and lacked firepower, so it was abandoned in favor of the more modern single turret design.

Neubaufahrzeug

The German Panzerkampfwagen Neubaufahrzeug ("new construction vehicle"—a cover name), abbreviated as PzKpfw Nb.Fz, series of tank prototypes were a first attempt to create a medium tank for the Wehrmacht after Adolf Hitler had come to power. Multi-turreted, heavy and slow, they were not considered successful, which led to only five being produced. These were primarily used for propaganda purposes and training, though three took part in the Battle of Norway in 1940.

T-35

The T-35 was a Soviet multi-turreted heavy tank of the interwar period and early Second World War that saw limited production and service with the Red Army. Often called a land battleship, it was the only five-turreted heavy tank in the world to reach production, but proved to be slow and mechanically unreliable. Most of the T-35 tanks still operational at the time of Operation Barbarossa were lost due to mechanical failure rather than enemy action. It was designed to complement the contemporary T-28 medium tank; however, very few were built.

 Outwardly, it was large; but internally, the spaces were cramped with the fighting compartments separated from each other. Some of the turrets obscured the entrance hatches.

SMK tank

The SMK was an armored vehicle prototype developed by the Soviet Union prior to the Second World War. It was named after Sergei Mironovich Kirov, a Communist Party official assassinated in 1934. The SMK was discovered and classified by German intelligence as the T-35C, leading to the misunderstanding that the T-35 took part in the Winter War.

Only one was built and after a trial showing the downsides of its weight and size against the KV tank and brief use in the war with Finland, the project was dropped.

M3 Lee/Grant Tanks

Design commenced in July 1940, and the first M3s were operational in late 1941. The US Army needed a medium tank armed with a 75mm gun and, coupled with the United Kingdom's immediate demand for 3,650 medium tanks, the Lee began production by late 1940. The design was a compromise meant to produce a tank as soon as possible. The M3 had considerable firepower and good armor, but had serious drawbacks in its general design and shape, including a high silhouette, an archaic sponson mounting of the main gun preventing the tank from taking a hull-down position, riveted construction, and poor off-road performance.

The design was unusual because the main weapon – a larger caliber, medium-velocity 75 mm gun – was in an offset sponson mounted in the hull with limited traverse. The sponson mount was necessary because, at the time, American tank plants did not have the design experience necessary to make a gun turret capable of holding a 75 mm weapon. A small turret with a lighter, high-velocity 37 mm gun sat on top of the tall hull. A small cupola on top of the turret held a machine gun.

Type 95 heavy tank

The Type 95 heavy tank was the final result of Japanese multi-turreted tank design, and was in commission during the time period between World War I and World War II. Modeled on German and Italian tank designs, this tank featured 3 turrets. The main armament being a 70 mm cannon in a central turret, with its secondary front turret mounting a 37 mm gun and a 6.5 mm machine gun in the rear turret. Four prototypes were produced in 1934.

M50 Ontos

This is one the US Army hated and the US Marines loved. Ontos, officially the Rifle, Multiple 106 mm, Self-propelled, M50, is an American light armored tracked anti-tank vehicle developed in the 1950s.

It mounted six 106 mm manually loaded M40 recoilless rifles as its main armament, which could be fired in rapid succession against single targets to increase the probability of a kill. Although the actual caliber of the main guns was 105 mm, it was designated 106 mm to prevent confusion with the ammunition for the 105 mm M27 recoilless rifle, which the M40 replaced.

It was produced in limited numbers for the U.S. Marines after the U.S. Army cancelled the project. The Marines consistently reported excellent results when they used the Ontos for direct fire support against infantry in numerous battles and operations during the Vietnam War. The American stock of Ontos was largely expended towards the end of the conflict and the Ontos was removed from service in 1969.

Type 60 Self-propelled 106 mm Recoilless Gun

The Type 60 Self-propelled 106 mm Recoilless Gun (60式自走無反動砲, roku-maru-shiki-jisou-muhandou-hou) is a light anti-tank vehicle developed by Japan in the late 1950s. It mounts two M40 106 mm recoilless rifles as its main armament.

In the mid-1950s the Japan Ground Self-Defense Force contracted for one prototype each from Komatsu (SS1) and Mitsubishi Heavy Industries (SS2) powered by a 110 hp six-cylinder diesel engine and fitted with two 105-millimeter (4.1 in) recoilless rifles. They were delivered in 1956. A second series of prototypes was built with 4 recoilless rifles, but adoption of the 105mm American M40 recoilless rifle forced the reversion to two weapons. The Type 60 was designed for ambush attacks against enemy tanks, and mounting four weapons gave the vehicle a rather high profile. A third series of three heavier prototypes was built by Komatsu as SS4, with a more powerful engine, a new transmission and clutch and a two-speed auxiliary transmission. They were accepted into service in September 1960.

 VT tank

The Versuchsträger 1–2 (abbreviated: VT, meaning 'test-beds' or 'experiment carrier') were two German prototype twin gun turretless main battle tanks. Since the early 1970s a number of West German companies have been working on conceptual designs for a successor to the Leopard 1. This project had the name Kampfpanzer 3 (KPz 3). The KPz 3 project was temporarily a British-German joint project, until the UK withdrew because they wanted a turreted tank. The Germans had already developed the Leopard 2 and therefore didn't see the need for another conventional tank.[3] One of the companies involved was MaK, developing the VT 1-1 and VT 1–2. The test programme ended proving that a twin-gunned turretless tank could be created with enough technical effort, but had drawbacks in both practical and tactical use.

Project 490 "Poplar"

A future 1980-s tank with maximum protection, firepower and crew safety.  One of the most unusual developments of the Soviet tank construction in the post-war period was the project of a two-cannon tank by Evgeny Morozov.  The works were carried out in the late 70s and were presented to the customer (Soviet Ministry of Defense) along with other future directions for the development of the design for the future tank.

 

This page was compiled and posted by Chief Mac, 06/28/23