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Sturmgeschütz E-100

The Entwicklung series (from German Entwicklung, "development"), more commonly known as the E-Series, was a late-World War II attempt by Nazi Germany to produce a standardised series of tank designs. There were to be standard designs in five different weight classes (E-10, E-25, E-50, E-75 and E-100) from which several specialised variants were to be developed. This intended to reverse the trend of extremely complex tank designs that had resulted in poor production rates and mechanical unreliability.

The E-series designs were simpler, cheaper to produce and more efficient than their predecessors; however, their design offered only modest improvements in armour and firepower over the designs they were intended to replace, such as the Jagdpanzer 38(t), Panther Ausf.G or Tiger II; and would have represented the final standardization of German armoured vehicle design. Indeed, nearly all of the E-series vehicles — up through and including the E-75 — were intended to use what were essentially the Tiger II's eighty centimeter diameter, steel-rimmed road wheels for their suspension, meant to overlap each other (as on the later production Tiger I-E and Panther designs that also used them), abandoning the interleaved Schachtellaufwerk roadwheel system that first appeared on German military half-tracks in the early 1930s.

£19.99
Tank, Infantry, Mk I, Matilda I (A11)
The Tank, Infantry, Mk I, Matilda I (A11)[1] was a British infantry tank of the Second World War. Despite being slow, cramped and only armed with a single machine gun, the Matilda I had some success in the Battle of France in 1940, owing to its heavy armour which was proof against the standard German anti-tank guns. It is not to be confused with the later model Tank, Infantry Mk II (A12), also known as the "Matilda II", which took over the "Matilda" name after the Matilda I was withdrawn from combat service in 1940. They were completely separate designs.
£9.99
Panzerkampfwagen E-100

The Entwicklung series (from German Entwicklung, "development"), more commonly known as the E-Series, was a late-World War II attempt by Nazi Germany to produce a standardised series of tank designs. There were to be standard designs in five different weight classes (E-10, E-25, E-50, E-75 and E-100) from which several specialised variants were to be developed. This intended to reverse the trend of extremely complex tank designs that had resulted in poor production rates and mechanical unreliability.

The E-series designs were simpler, cheaper to produce and more efficient than their predecessors; however, their design offered only modest improvements in armour and firepower over the designs they were intended to replace, such as the Jagdpanzer 38(t), Panther Ausf.G or Tiger II; and would have represented the final standardization of German armoured vehicle design. Indeed, nearly all of the E-series vehicles — up through and including the E-75 — were intended to use what were essentially the Tiger II's eighty centimeter diameter, steel-rimmed road wheels for their suspension, meant to overlap each other (as on the later production Tiger I-E and Panther designs that also used them), abandoning the interleaved Schachtellaufwerk roadwheel system that first appeared on German military half-tracks in the early 1930s.

£19.99
M4A3 Up-armoured Marine Sherman tank with snorkels
The M4 Sherman, officially Medium Tank, M4, was the most widely used medium tank by the United States and Western Allies in World War II. The M4 Sherman proved to be reliable, relatively cheap to produce, and available in great numbers. Thousands were distributed through the Lend-Lease program to the British Commonwealth and Soviet Union. The tank was named by the British for the American Civil War general William Tecumseh Sherman.

The M4 Sherman evolved from the M3 Medium Tank,[N 1] which had its main armament in a side sponson mount. The M4 retained much of the previous mechanical design, but put the main 75 mm gun in a fully traversing turret. One feature, a one-axis gyrostabilizer, was not precise enough to allow firing when moving but did help keep the reticle on target, so that when the tank did stop to fire, the gun would be aimed in roughly the right direction.[6] The designers stressed mechanical reliability, ease of production and maintenance, durability, standardization of parts and ammunition in a limited number of variants, and moderate size and weight. These factors, combined with the Sherman's then-superior armor and armament, outclassed German light and medium tanks fielded in 1939–42. The M4 went on to be produced in large numbers. It spearheaded many offensives by the Western Allies after 1942.
£9.99
M4a1e6 Sherman 'Oddball tank with speakers'
In 1949, the United States initiated the Mutual Defense Assistance Program. Allies and potential allies were provided with various kinds of monetary and materiel support in an effort to build up their defenses against the perceived threats of the Cold War. Many countries received tanks, most of which were WW II surplus. The above photo shows Half-tracks, Hi Speed Tractors, trucks & Shermans "hermetically" sealed & ready for MDAP shipment. New York Port of Embarkation, Brooklyn, March, 1951.
£9.99
Sherman Jumbo (Medium Tank, M4A3E2) 75mm and 76mm versions
M4A3E2 Assault Tank - postwar nickname "Jumbo" - extra armor (including 1 inch on front), vertical sided turret, but about 3-4 mph slower. Built with 75mm gun but frequently re-armed by the using units with 76mm guns. "Duckbill"-style extended end connectors (EECs) fitted to the outside edge of the tracks. Users: US, France (one vehicle)
£9.99
Panzer I (variants)
The Panzer I was a light tank produced in Germany in the 1930s. The name is short for the German Panzerkampfwagen I ("armored fighting vehicle mark I"), abbreviated PzKpfw I. The tank's official German ordnance inventory designation was SdKfz 101 ("special purpose vehicle 101").[2]

Design of the Panzer I began in 1932 and mass production began in 1934. Intended only as a training tank to introduce the concept of armored warfare to the German Army, the Panzer I saw combat in Spain during the Spanish Civil War, in Poland, France, the Soviet Union and North Africa during the Second World War, and in China during the Second Sino-Japanese War. Experiences with the Panzer I during the Spanish Civil War helped shape the German Panzerwaffes' invasion of Poland in 1939 and France in 1940. By 1941, the Panzer I chassis design was used as the basis of tank destroyers and assault guns. There were attempts to upgrade the Panzer I throughout its service history, including by foreign nations, to extend the design's lifespan. It continued to serve in the Spanish Armed Forces until 1954.

The Panzer I's performance in combat was limited by its thin armour and light armament of two machine guns. As a design intended for training, the Panzer I was not as capable as other light tanks of the era, such as the Soviet T-26. Although weak in combat, it formed a large part of Germany's tank forces and was used in all major campaigns between September 1939 and December 1941. The small, vulnerable light tank would be surpassed in importance by other German tanks, such as the Panzer IV, Panther, and Tiger; nevertheless, the Panzer I's contribution to the early victories of Nazi Germany during World War II was significant. Later in that war the turrets of the then obsolete PzKpfw Is and PzKpfw IIs were repurposed as gun turrets on specially built defensive bunkers,[3] particularly on the Atlantic Wall.
£7.99
T-34 Tank Turrets (all scales) - unfinished
Various Soviet turrets in many different scales. Order extras to get more use out of your existing models. Currently includes:

T-34 1940
T-34 1941
T-34E
T-34STZ
T-34 1943 Early
T-34 1943 Late
T-34 1943 Rounded turret early
T-34 1943 Rounded turret late
T-34/57 (1941)
T-34/57 (1943)
£1.99
T-35 multi-turreted heavy tank
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.

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.
£15.99
£19.99
Tortoise heavy assault tank (A39)

The Tortoise heavy assault tank (A39) was a British heavy assault gun design developed during the Second World War, but never put into mass production. It was developed for the task of clearing heavily fortified areas such as the Siegfried Line and as a result favoured armour protection over mobility.

Although heavy, at 78 tons, and not readily transported, it was considered reliable and a good gun platform.[1]

Only a few prototypes of the Tortoise had been produced by the end of the war.

£16.99
FCM F1 Superheavy Tank
The FCM F1 was a French super-heavy tank developed during the late Interbellum by the Forges et Chantiers de la Méditerranée company. Twelve were ordered in 1940 to replace the Char 2C, but France was defeated before construction could begin, a wooden mock-up being all that was finished. The FCM F1 was large and elongated, and had two turrets: one in front and one in the back, with a single high-velocity gun in each turret. The rear turret was higher so it could shoot over the first one. The vehicle was intended to be heavily armoured. Its size and protection level made it by 1940, at about 140 tons the heaviest tank ever to have actually been ordered for production. Despite two engines its speed would have been low. The primary purpose of the tank was to breach German fortification lines, not to fight enemy tanks. The development path of the FCM F1 was extremely complex, due to the existence of a number of parallel super-heavy tank projects with overlapping design goals, the specifications of which were regularly changed. For each project in turn several companies submitted one or more competing proposals.
£19.99
T34 Heavy Tank

The T34 Heavy Tank was an American design for a heavy tank. It was evolved from the T29 Heavy Tank and T30 Heavy Tank in 1945, sporting a 120 mm (4.72 in) modified anti-aircraft gun. Extra armor plating was applied to the rear of the turret bustle as a counterweight for the heavier 120mm T53 main gun. The vehicle was deemed too heavy and no production orders were placed.

£16.99
KV-2 1940
The Kliment Voroshilov (KV) tanks were a series of Soviet heavy tanks named after the Soviet defence commissar and politician Kliment Voroshilov and used by the Red Army during World War II. The KV series were known for their heavy armour protection during the early stages of the war, especially during the first year of the German invasion of the Soviet Union. In certain situations, even a single KV-1 or KV-2 supported by infantry was capable of halting large German formations. German tanks at that time were rarely used in KV encounters as their armament was too poor to deal with the "Russischer Koloss" – "Russian Colossus".[2]

The KV tanks were practically immune to the 3.7 cm KwK 36 and howitzer-like, short barreled 7.5 cm KwK 37 guns mounted, respectively, on the early Panzer III and Panzer IV tanks fielded by the invading German forces. Until more effective guns were developed by the Germans, the KV-1 was invulnerable to almost any German weapon except the 8.8 cm Flak gun.[3]

Prior to Operation Barbarossa, about 500 of the over 22,000 tanks then in Soviet service were of the KV-1 type. As the war progressed, it became evident that there was little sense in producing the expensive KV tanks, as the T-34 medium tank performed better (or at least equally well) in all practical respects. In fact the only advantage it had over the T-34/76 was its larger and roomier three-man turret.[4] Later in the war, the KV series became a base for the development of the IS (Iosif Stalin) series of tanks and self-propelled guns.

KV-1
  • Model 1939 – First production models, these tanks were prone to frequent breakdowns, but were highly resistant to anti-tank weapons during the Winter War. Armed with the 76 mm L-11 tank gun, recognizable due to a recuperator above a barrel. Most tanks were lacking the hull machine gun. 141 were built.
  • Model 1940 (German designation: KV-1A) – Used the F-32 76 mm gun and a new mantlet. The main production model by the time of the German invasion.
  • Model 1940 s ekranami ("with screens") or KV-1E – with additional bolted-on appliqué armour and F-32 gun.
  • Model 1941 (German designation: KV-1B) – Up-armoured with 25–35 mm (0.98–1.38 in) added to the turret, hull front and sides. Turret was now cast instead of welded. This tank was armed with the longer-barreled ZiS-5, tank gun.
  • Model 1942 (German designation: KV-1C) – Fully cast turret with thicker armour or welded turret with thicker armour, again up-armoured, using an improved engine and the 76 mm ZiS-5 tank gun.
  • KV-1S – A variant with higher speed, but thinner armour. A new, smaller, cast turret and redesigned rear hull with a new planetary transmission. 1370 built.
KV-2
  • KV-2 (334) – A heavy assault tank with the M-10 152 mm howitzer, the KV-2 was produced at the same time as the KV-1. Due to the size of its heavy turret and gun, the KV-2 was slower and had a much higher profile than the KV-1. Those captured and used by the German Army were known as (Sturm)Panzerkampfwagen KV-II 754(r)[citation needed]. Few were produced due to its combat ineffectiveness, mainly the decreased speed due to the weight of the new gun and turret. Due to an increase in turret weight from the expanded dimensions and a heavier gun, the turret traverse mechanism could work only on level ground.
£9.99
KV-2 1939
The Kliment Voroshilov (KV) tanks were a series of Soviet heavy tanks named after the Soviet defence commissar and politician Kliment Voroshilov and used by the Red Army during World War II. The KV series were known for their heavy armour protection during the early stages of the war, especially during the first year of the German invasion of the Soviet Union. In certain situations, even a single KV-1 or KV-2 supported by infantry was capable of halting large German formations. German tanks at that time were rarely used in KV encounters as their armament was too poor to deal with the "Russischer Koloss" – "Russian Colossus".[2]

The KV tanks were practically immune to the 3.7 cm KwK 36 and howitzer-like, short barreled 7.5 cm KwK 37 guns mounted, respectively, on the early Panzer III and Panzer IV tanks fielded by the invading German forces. Until more effective guns were developed by the Germans, the KV-1 was invulnerable to almost any German weapon except the 8.8 cm Flak gun.[3]

Prior to Operation Barbarossa, about 500 of the over 22,000 tanks then in Soviet service were of the KV-1 type. As the war progressed, it became evident that there was little sense in producing the expensive KV tanks, as the T-34 medium tank performed better (or at least equally well) in all practical respects. In fact the only advantage it had over the T-34/76 was its larger and roomier three-man turret.[4] Later in the war, the KV series became a base for the development of the IS (Iosif Stalin) series of tanks and self-propelled guns.

KV-1
  • Model 1939 – First production models, these tanks were prone to frequent breakdowns, but were highly resistant to anti-tank weapons during the Winter War. Armed with the 76 mm L-11 tank gun, recognizable due to a recuperator above a barrel. Most tanks were lacking the hull machine gun. 141 were built.
  • Model 1940 (German designation: KV-1A) – Used the F-32 76 mm gun and a new mantlet. The main production model by the time of the German invasion.
  • Model 1940 s ekranami ("with screens") or KV-1E – with additional bolted-on appliqué armour and F-32 gun.
  • Model 1941 (German designation: KV-1B) – Up-armoured with 25–35 mm (0.98–1.38 in) added to the turret, hull front and sides. Turret was now cast instead of welded. This tank was armed with the longer-barreled ZiS-5, tank gun.
  • Model 1942 (German designation: KV-1C) – Fully cast turret with thicker armour or welded turret with thicker armour, again up-armoured, using an improved engine and the 76 mm ZiS-5 tank gun.
  • KV-1S – A variant with higher speed, but thinner armour. A new, smaller, cast turret and redesigned rear hull with a new planetary transmission. 1370 built.
KV-2
  • KV-2 (334) – A heavy assault tank with the M-10 152 mm howitzer, the KV-2 was produced at the same time as the KV-1. Due to the size of its heavy turret and gun, the KV-2 was slower and had a much higher profile than the KV-1. Those captured and used by the German Army were known as (Sturm)Panzerkampfwagen KV-II 754(r)[citation needed]. Few were produced due to its combat ineffectiveness, mainly the decreased speed due to the weight of the new gun and turret. Due to an increase in turret weight from the expanded dimensions and a heavier gun, the turret traverse mechanism could work only on level ground.
£9.99
Tank, Heavy, TOG II*

The Tank, Heavy, TOG II* was a prototype British tank design produced in the early part of the Second World War in case the battlefields of northern France devolved into a morass of mud, trenches and craters as had happened during the First World War. When this did not happen the tank was deemed unnecessary and the project terminated. A development of the TOG I design, only a single prototype was built before the project was dropped.

The second design to come out of the Special Vehicle Development Committee (nicknamed "The Old Gang" as it was made up of people who had worked on the original British tanks of the First World War) the TOG 2 was similar to the TOG 1 and kept many of its features. Instead of the track path arrangement of the TOG 1 which - like that of the First World War British tanks - ran up over the top of the hull and back down, the track path was lower on the return run and the doors were above the tracks. Ordered in 1940, built by Foster's of Lincoln, the prototype ran for the first time in March 1941.

The design included a 6-pounder gun and side sponsons. Initially fitted with a mockup turret with a dummy gun, in 1942 it was given a turret that was under development for the Cruiser Mk VIII Challenger tank design with the QF 17-pounder (76.2 mm) gun. The turret "in modified form" was used on the Challenger. The planned sponsons were never fitted.

Although equipped with the same electro-mechanical drive as originally fitted to the TOG 1, the TOG 2 used twin generators and no problems were reported. It was modified to include, among other things, a change from the unsprung tracks to a torsion bar suspension and went through successful trials in May 1943. No further development occurred, although a revised version, the TOG 2 (R) was proposed. The 'R' would have been 6 ft (1.8 m) shorter, used torsion bar suspension and had no sponsons.

The single TOG 2 prototype can be seen at The Tank Museum

£16.99
O-I super-heavy tank
O-I was the name given to a proposed series of Japanese super-heavy tanks, to be used in the Pacific Theater. The vehicle was to be very heavy, and carry 11 crewmen. The exact development status of the O-I is unknown.

After the Battles of Khalkhin Gol against the Soviet Union in 1939, Japan tried to improve their tank designs using lessons learned from this battle. Many Japanese tanks such as the Type 95 Ha-Go light tank and the Type 97 Chi-Ha medium tanks were proven to be insufficient to counter Soviet armored forces. A larger tank design was urgently needed. A super heavy tank project was proposed directly in response to the Japanese defeat at Khalkhin Gol.[2]

In early 1940, Hideo Iwakuro, a colonel with the Army Ministry of Japan (陸軍省 Rikugun-shō) ordered the Army Engineering Division to develop a new super heavy tank. Colonel Iwakuro indicated that the new tank should be at least two times larger than the current Type 95 Heavy Tank (26 tonnes). The general outer appearance design was not dissimilar to the Type 95 Heavy Tank.[2] The proposed 100 ton prototype was to be equipped with a Type 92 105 mm cannon for its main gun.[2]

The development process was re-started by the Mitsubishi Heavy Industries Tokyo Machinery Division on the 120 ton version under the designation "Mi-To" (for Mitsubishi -Tokyo). Later it was given the official designation of the "O-I tank" (オイ車, "オ" in Japanese this means "large" and "イ" means "one"). The tank was again to be equipped with a Type 92 105 mm cannon for its main gun.[2] Its two smaller front hull turrets were designed to be "offset slightly left from the mid-point".[3] One turret was designed to carry a Type 1 47 mm tank gun as secondary armament. The other turret was to carry a 7.7 mm machine gun. The rear hull was designed to have two more smaller turrets each with a 7.7 mm machine gun.[2]

One of the main features of the O-I tank was its thick armor. Its armor had a maximum thickness of up to 200 mm, as well as 35 mm +75 mm plates on its sides and 150 mm at the back.[2][1] The tank was to have two V-12 petrol-fueled aircraft engines designed by BMW in Germany and licensed to Kawasaki Heavy Industries in Japan. This was the same engine used in the Type 5 Chi-Ri medium tank.[2][4] The engines were mounted "lengthwise parallel to each other" in the rear hull.[2]

According to historian Steven Zaloga, there were "rumors that work was underway" on the 120-ton version, but no known documentation survived the war.[5] According to Akira Takizawa, one prototype of 120 tons was completed in 1943. However, the tank was "unpractical" and the project terminated.[1] According to Kenneth Estes, the O-I project was cancelled before the 120+ ton prototype was completed.[3] The tracks of O-I tank are now on display at JGSDF Fuji School in Japan. The exact development status of the O-I prototype is therefore unknown.

According to another source, the model kit company FineMolds in Japan bought original documents and plans of the O-I, which did survive the war. The source also contends that the proposed 100 ton design and "140-150" ton design are "incorrect representations of the O-I".
£24.99
KV-5 (Object 225)
KV-5 (Object 225) - A cancelled project for a super-heavy tank. Armament was to be a 107 mm ZiS-6 gun in a large turret and machine-gun in a small secondary turret. Weight was projected as about 100 tons, and the tank was to have 150–180 mm of armour. Project development began in June 1941, however was cancelled due to the Siege of Leningrad, in which all developmental operations at the Kirov Plant were halted. The project fell out of favour from the more advanced heavy tank designs, and no prototype was built
£19.99
T-28 multi-turreted medium tank
The T-28 was a Soviet multi-turreted medium tank. The prototype was completed in 1931, and production began in late 1932. It was an infantry support tank intended to break through fortified defences. The T-28 was designed to complement the heavier T-35 (also multi-turreted), with which it shared turret designs. The type did not have great success in combat, but it played an important role as a development project for Soviet tank designers. A series of new ideas and solutions that were tried out on the T-28 were later incorporated in future models.
£12.99
Type 1 Ho-Ni I

The Type 1 Gun tank Ho-Ni I (一式砲戦車 ホニ I Isshiki ho-sensha Ho-Ni I) was a tank destroyer and self-propelled artillery developed by the Imperial Japanese Army for use during World War II in the Pacific theater.

The Type 1 Ho-Ni I was the first self-propelled gun design of this particular type.[2] They were meant to be self-propelled artillery and tank destroyers for armored divisions.[3][4] The plan was for the Type 1 Ho-Ni I gun tank to form part of a fire support company in each of the tank regiments.[4] The first conversion took place in June, 1941. Production of the Type 1 Ho-Ni I took place during 1942. The total number of Type 1 Ho-Ni I units produced was only 26.[5]

The Type 1 Ho-Ni I was developed by using the existing Type 97 chassis and engine, and replacing the gun turret with a 75 mm Type 90 Field Gun mounted in an open casemate with frontal and side armour only.[5] The gun mounting gave ten degrees of traverse and -5 to +25 degrees of elevation; it could also traverse 20 degrees to either side, so the entire vehicle did not have to be turned.[3] The Type 1 Ho-Ni I carried 54 rounds of ammunition.[6]

They were designed to operate as self-propelled artillery at ranges of up to 12,000 metres (7.5 mi).[5][6] The design had no provision for a defensive machine gun, which together with the open structure made it vulnerable in close combat.[6]

The Type 97 chassis, suspension and diesel engine were used unchanged.[3] The 75 mm Type 90 Field Gun, was protected on three sides by 51 mm thick armored plate. The hull armored plate was 25 mm on the sides and 20 mm on the rear.[7]

 

£8.99
Type 4 Ho-Ro

The Type 4 15cm self-propelled gun Ho-Ro (日本語: 四式十五糎自走砲 ホロ Imperial Japanese Army Type 4 15cm self-propelled gun Ho-Ro) was a self-propelled gun developed by the Imperial Japanese Army in World War II.

Inspired by the Grille series of self propelled artillery vehicles developed by Nazi Germany during World War II, wherein a 15 cm sIG 33 infantry support gun was mounted on a tracked chassis, engineers at the Army Technical Bureau resolved to do the same. Production was assigned to Mitsubishi Heavy Industries. The exact number produced in 1944 is uncertain, but was approximately 12 units.[2]

£8.99
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