68-521: The Tank Museum (previously the Bovington Tank Museum ) is a collection of armoured fighting vehicles at Bovington Camp in Dorset , South West England . It is about 1 mile (1.6 km) north of the village of Wool and 12 miles (19 km) west of the major port of Poole . The collection traces the history of the tank . With almost 300 vehicles on exhibition from 26 countries it is
136-433: A diesel engine ; modern technology, including the use of turbo-charging , helps to overcome the lower power-to-weight ratio of diesel engines compared to petrol. Gas turbine (turboshaft) engines offer a very high power-to-weight ratio and were starting to find favour in the late 20th century – however, they offer very poor fuel consumption and as such some armies are switching from gas turbines back to diesel engines (i.e.
204-447: A main battle tank will normally be designed to take hits from other tank guns and anti-tank missiles , whilst light reconnaissance vehicles are often only armoured "just in case". Whilst heavier armour provides better protection, it makes vehicles less mobile (for a given engine power), limits its air-transportability, increases cost, uses more fuel and may limit the places it can go – for example, many bridges may be unable to support
272-494: A turret or cupola. The greater the recoil of the weapon on an AFV, the larger the turret ring needs to be. A larger turret ring necessitates a larger vehicle. To avoid listing to the side, turrets on amphibious vehicles are usually located at the centre of the vehicle. Grenade launchers provide a versatile launch platform for a plethora of munitions including, smoke , phosphorus, tear gas , illumination, anti-personnel, infrared and radar-jamming rounds. Turret stabilization
340-744: A British Army engineer. They were very popular with smaller countries. Some saw some combat (with limited success) in World War II. However, the vulnerability of their light armour eventually caused the concept to be abandoned. However, the German Army uses a modern design of air-transportable armoured weapons carriers, the Wiesel AWC , which resembles the concept of a tankette. The term "super-heavy tank" has been used to describe armoured fighting vehicles of extreme size, generally over 75 tonnes. Programs have been initiated on several occasions with
408-574: A German equivalent. The last Mark IV to see service, briefly, was Excellent , a Mark IV male retained by the naval gunnery school HMS Excellent on Whale Island in Portsmouth harbour. In 1940 it was restored to operational status and driven to the mainland, where its new career was allegedly brought to an early end after damaging a car. Background: History of the tank , Tank classification , Tanks in World War I Background: History of
476-763: A Vickers QF-1 "Pom-Pom" gun of 40 mm. The Germans fielded the Sd.Kfz. 10/4 and 6/2, cargo halftracks mounting single 20 mm or 37 mm AA guns (respectively) by the start of the war. Rocket launchers such as the Soviet Katyusha originated in the late 1930s. The Wehrmacht fielded self-propelled rocket artillery in World War II – the Panzerwerfer and Wurfrahmen 40 equipped half-track armoured fighting vehicles. Many modern multiple rocket launchers are self propelled by either truck or tank chassis. The level of armour protection between AFVs varies greatly –
544-435: A highly mobile and protected fighting unit has been around for centuries; from Hannibal 's war elephants to Leonardo 's contraptions , military strategists endeavoured to maximize the mobility and survivability of their soldiers. Armoured fighting vehicles were not possible until internal combustion engines of sufficient power became available at the start of the 20th century. Modern armoured fighting vehicles represent
612-525: A historian at the museum since 1982, retired in 2012 and was also appointed an MBE "for his services to the history of armoured warfare". The museum established its own YouTube channel in January 2010. Early episodes were largely one-take affairs of museum staff talking about specific tanks in the collection and their role in history, with notable series led by Fletcher called "Tank Chats." The channel has more YouTube subscribers than famous museums such as
680-467: A tank being first deployed as a medium tank, but in later years relegated to light tank roles. Tanks were also classified by roles that were independent of size, such as cavalry tank , cruiser tank , fast tank , infantry tank , "assault" tank, or "breakthrough" tank. Military theorists initially tended to assign tanks to traditional military infantry, cavalry, and artillery roles, but later developed more specialized roles unique to tanks. In modern use,
748-414: A tank chassis. During World War II, most major military powers developed self-propelled artillery vehicles. These had guns mounted on a tracked chassis (often that of an obsolete or superseded tank) and provided an armoured superstructure to protect the gun and its crew. The first British design, "Bishop" , carried the 25 pdr gun-howitzer in an extemporised mounting on a tank chassis that severely limited
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#1732776042874816-450: A very large movable siege tower, the helepolis , as early as 340 BC, and Greek forces used such structures in the Siege of Rhodes (305 BC). The idea of a protected fighting vehicle has been known since antiquity. Frequently cited is Leonardo da Vinci 's 15th-century sketch of a mobile, protected gun-platform ; the drawings show a conical, wooden shelter with apertures for cannons around
884-488: A wide variety of both ground targets and air targets. Despite significant advances in anti-tank warfare , it still remains the most versatile and fearsome land-based weapon-systems of the 21st-century, valued for its shock action and high survivability . A tankette is a tracked armed and armoured vehicle resembling a small "ultra-light tank" or "super-light tank" roughly the size of a car, mainly intended for light infantry support or scouting . Tankettes were introduced in
952-622: Is a tank fulfilling the role of a main battle tank, but using only anti-tank surface-to-surface missiles for main armament. Several nations have experimented with prototypes, notably the Soviet Union during the tenure of Nikita Khrushchev (projects Object 167, Object 137Ml, Object 155Ml, Object 287, Object 775), A flame tank is an otherwise-standard tank equipped with a flamethrower , most commonly used to supplement combined arms attacks against fortifications , confined spaces, or other obstacles. The type only reached significant use in
1020-430: Is an important capability because it enables firing on the move and prevents crew fatigue. Modern AFVs have primarily used either petrol (gasoline) or diesel piston engines. More recently, gas turbines have been used. Most early AFVs used petrol engines , as they offer a good power-to-weight ratio . However, they fell out of favour during World War II due to the flammability of the fuel. Most current AFVs are powered by
1088-426: Is distinguished by its high level of firepower, mobility and armour protection relative to other vehicles of its era. It can cross comparatively rough terrain at high speeds, but its heavy dependency on fuel, maintenance, and ammunition makes it logistically demanding. It has the heaviest armour of any AFVs on the battlefield, and carries a powerful precision-guided munition weapon systems that may be able to engage
1156-755: The Hussite Wars . These heavy wagons were given protective sides with firing slits; their heavy firepower came from either a cannon or from a force of hand-gunners and crossbowmen , supported by light cavalry and infantry using pikes and flails . Heavy arquebuses mounted on wagons were called arquebus à croc . These carried a ball of about 3.5 ounces (100 g). By the end of World War II , most modern armies had vehicles to carry infantry, artillery and anti-aircraft weaponry . Most modern AFVs are superficially similar in design to their World War II counterparts, but with significantly better armour, weapons, engines, electronics, and suspension. The increase in
1224-550: The MOWAG Piranha , originally designed as an APC, has been adapted to fill numerous roles such as a mortar carrier , infantry fighting vehicle, and assault gun. Armoured fighting vehicles began to appear in use in World War I with the armoured car, the tank, the self-propelled gun, and the personnel carrier seeing use. By World War II, armies had large numbers of AFVs, together with other vehicles to carry troops this permitted highly mobile manoeuvre warfare . The concept of
1292-597: The Metropolitan Museum of Art , and the Louvre ; and has gained over 100 million views across its videos by April 2023, the first museum channel to hit such a milestone. During the Russo-Ukrainian War the tank museum was able to provide blueprints and track samples of Soviet equipment allowing Cook Defence Systems to manufacture track for use by Ukraine. As well as containing the majority of
1360-776: The Russian Marines with the PT-76 , the British Army with the Scimitar , and the Chinese Army with the Type 63 . Modern main battle tanks or "universal tanks" incorporate recent advances in automotive, artillery, armour, and electronic technology to combine the best characteristics of the historic medium and heavy tanks into a single, all-around type. They are also the most expensive to mass-produce. A main battle tank
1428-484: The Second World War (1939–1945). The armoured personnel carrier, designed to transport infantry troops to the frontline, emerged towards the end of World War I. During the first actions with tanks , it had become clear that close contact with infantry was essential in order to secure ground won by the tanks. Troops on foot were vulnerable to enemy fire, but they could not be transported in the tank because of
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#17327760428741496-597: The Second World War , during which the United States, Soviet Union , Germany , Italy , Japan and the United Kingdom (including members of the British Commonwealth ) all produced flamethrower-equipped tanks. Usually, the flame projector replaced one of the tank's machineguns, however, some flame projectors replaced the tank's main gun. Fuel for the flame weapon was generally carried inside
1564-683: The 2014 film Fury , and the replica Mark IV tank built for the film War Horse . Armoured fighting vehicles An armoured fighting vehicle ( British English ) or armored fighting vehicle ( American English ) ( AFV ) is an armed combat vehicle protected by armour , generally combining operational mobility with offensive and defensive capabilities. AFVs can be wheeled or tracked . Examples of AFVs are tanks , armoured cars , assault guns , self-propelled artilleries , infantry fighting vehicles (IFV), and armoured personnel carriers (APC). Armoured fighting vehicles are classified according to their characteristics and intended role on
1632-480: The 6 pdr's gun-layer operating his gun from the left and the loader serving the gun from the right. The guns had a 100 degree arc of fire but only the starboard gun could fire straight ahead. The Female had five Lewis guns but no 6-pounders. The decision to standardise on the Lewis gun was due to the space available within the tanks. Despite its vulnerable barrel and a tendency to overheat or foul after prolonged firing,
1700-661: The Corps was founded in 1939. The Memorial Room houses the Books of Remembrance, a digitised and searchable version of the Roll of Honour, and videos about those who fought in the RAC. The Vehicle Conservation Centre provides cover for more of the collection and puts on view vehicles that had previously not been seen by the public: The museum's collection includes Tiger 131 , the only surviving Tiger I tank in operable condition, which appeared in
1768-543: The Hotchkiss would become the standard machine gun for tanks again. The changes caused delays, such as adapting the design for the bulky Lewis cooling barrel, and later, problems when the Hotchkiss strips had to be stored in positions designed for Lewis gun magazines. At the 1917 Battle of Cambrai , Mark IV tanks were equipped with fascines , bundles of brushwood bound with chains, about 10 ft (3.0 m) long and 4 ft 6 in (1.37 m) in diameter carried on
1836-462: The Lewis had the advantage that it used compact pan magazines which could hold up to 96 rounds. The Hotchkiss was fed from a rigid strip which was trimmed down to only 14 rounds for tank use; no sooner had the machine gunner guided the fall of shot onto the target than it was time to change the strip and the process repeated. It was not until a flexible 50 round strip was fully developed in May 1917 that
1904-514: The Russian T-80 used a gas turbine engine, whereas the later T-90 does not). The US M1 Abrams is a notable example of a gas turbine powered tank. Notable armoured fighting vehicles extending from post-World War I to today. The tank is an all terrain AFV incorporating artillery which is designed to fill almost all battlefield roles and to engage enemy forces by the use of direct fire in
1972-588: The Tank Supply Department, Albert Gerald Stern , first intended to fit the Mark IV with a new engine and transmission. Production of battle tanks was halted until the new design was ready, necessitating the use of the Mark II and III as interim training tanks. Failing to complete development soon enough to start production in time to have 200 tanks ready for the promised date of 1 April 1917, Stern
2040-600: The aim of creating an invincible siegeworks / breakthrough vehicle for penetrating enemy formations and fortifications without fear of being destroyed in combat. Examples were designed in World War I and World War II (such as the Panzer VIII Maus ), along with a few in the Cold War . However, few working prototypes were built and there is no clear evidence any of these vehicles saw combat, as their immense size would have made most designs impractical. A missile tank
2108-400: The battlefield. The classifications are not absolute; two countries may classify the same vehicle differently, and the criteria change over time. For example, relatively lightly armed armoured personnel carriers were largely superseded by infantry fighting vehicles with much heavier armament in a similar role. Successful designs are often adapted to a wide variety of applications. For example,
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2176-830: The best-known infantry tanks was the Matilda II of World War II. Other examples include the French R-35 , the British Valentine , and the British Churchill . Mark IV tank The Mark IV (pronounced Mark four ) was a British tank of the First World War . Introduced in 1917, it benefited from significant developments of the Mark I tank (the intervening designs being small batches used for training). The main improvements were in armour ,
2244-409: The bottom of the hull. Weaponry varies by a very wide degree between AFVs – lighter vehicles for infantry carrying, reconnaissance or specialist roles may have only a autocannon or machine gun (or no armament at all), whereas heavy self-propelled artillery will carry howitzers , mortars or rocket launchers. These weapons may be mounted on a pintle , affixed directly to the vehicle or placed in
2312-484: The capacity of transport aircraft makes possible and practicable the transport of AFVs by air. Many armies are replacing some or all of their traditional heavy vehicles with lighter airmobile versions, often with wheels instead of tracks. The first modern AFVs were armed cars, dating back virtually to the invention of the motor car . The British inventor F. R. Simms designed and built the Motor Scout in 1898. It
2380-627: The circumference. The machine was to be mounted on four wheels which would be turned by the crew through a system of hand cranks and cage (or "lantern") gears . Leonardo claimed: "I will build armoured wagons which will be safe and invulnerable to enemy attacks. There will be no obstacle which it cannot overcome." Modern replicas have demonstrated that the human crew would have been able to move it over only short distances. Hussite forces in Bohemia developed war wagons – medieval horse-drawn wagons that doubled as wagon forts – around 1420 during
2448-583: The conflict between Stern and the War Office. The Mark IV was first used in large numbers on 7 June 1917, during the British assault on Messines Ridge . Crossing dry but heavily cratered terrain, many of the 60-plus Mark IVs lagged behind the infantry, but several made important contributions to the battle. By comparison, at the Third Battle of Ypres (also known as Passchendaele) from 31 July, where
2516-410: The damaged tanks that had been salvaged at the end of the First World War , recommended that a museum be set up. A shed was established to house the collection but was not opened to the general public until 1947. George Forty, who was appointed director of the museum in 1982, expanded and modernized the collection. He retired in 1993 after which he was appointed an OBE . David Fletcher , who had been
2584-771: The fiercest fighting since the Second World War. Collection of vehicles from the Cold and Gulf War. New for 2023, “Tanks for the Memories: The Tank in Popular Culture”, was created for the 100th anniversary of the Tank Museum. It is an exhibition looking at how the tank has become a cultural icon through the manufacture of multiple toys, games, models, and the production of works of art, books, comics, video games and films. This hall holds some of
2652-594: The first Self-propelled artillery , was fielded in 1917. It was based on the first tank, the British Mark I , and carried a heavy field-gun. The next major advance was the Birch gun (1925), developed for the British motorised warfare experimental brigade (the Experimental Mechanized Force ). This mounted a field gun, capable of the usual artillery trajectories and even anti-aircraft use, on
2720-438: The frontal assault role. Though several configurations have been tried, particularly in the early experimental "golden days" of tank development, a standard, mature design configuration has since emerged to a generally accepted pattern. This features a main tank gun or artillery gun , mounted in a fully rotating turret atop a tracked automotive hull, with various additional secondary weapon systems throughout. Philosophically,
2788-690: The gun's performance. It was replaced by the more effective Sexton . The Germans built many lightly armoured self-propelled anti-tank guns using captured French equipment (for example Marder I ), their own obsolete light tank chassis ( Marder II ), or ex-Czech chassis ( Marder III ). These led to better-protected tank destroyers, built on a medium-tank chassis such as the Jagdpanzer IV or the Jagdpanther . The Self-propelled anti-aircraft weapon debuted in WWI. The German 88 mm anti-aircraft gun
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2856-400: The heavy tank has fallen out of favour, being supplanted by more heavily armed and armoured descendant of the medium tanks – the universal main battle tank . The light tank has, in many armies, lost favour to cheaper, faster, lighter armoured cars ; however, light tanks (or similar vehicles with other names) are still in service with a number of forces as reconnaissance vehicles , most notably
2924-498: The individual vehicle too, depending on the role of the vehicle and the likely direction of attack. For example, a main battle tank will usually have the heaviest armour on the hull front and the turret, lighter armour on the sides of the hull and the thinnest armour on the top and bottom of the tank. Other vehicles – such as the MRAP family – may be primarily armoured against the threat from IEDs and so will have heavy, sloped armour on
2992-515: The intense heat and noxious atmosphere. In 1917, Lieutenant G. J. Rackham was ordered to design an armoured vehicle that could fight and carry troops or supplies. The Mark IX tank was built by Armstrong, Whitworth & Co. , although just three vehicles had been finished at the time of the Armistice in November 1918, and only 34 were built in total. Different tank classifications emerged in
3060-792: The interwar period. The tankette was conceived as a mobile, two-man model, mainly intended for reconnaissance. In 1925, Sir John Carden and Vivian Loyd produced the first such design to be adopted – the Carden Loyd tankette . Tankettes saw use in the Royal Italian Army during the Italian invasion of Ethiopia (1935–1936), the Spanish Civil War (1936–1939), and almost everywhere Italian soldiers fought during World War II . The Imperial Japanese Army used tankettes for jungle warfare . The British Gun Carrier Mark I ,
3128-586: The largest collection of tanks and the third largest collection of armoured vehicles in the world. It includes Tiger 131 , the only working example of a German Tiger I tank, and a British First World War Mark I , the world's oldest surviving combat tank. It is the museum of the Royal Tank Regiment and the Royal Armoured Corps and is a registered charity . The writer Rudyard Kipling visited Bovington in 1923 and, after viewing
3196-483: The mid-1920s as a reconnaissance vehicle and a mobile machine gun position They were one or two-man vehicles armed with a machine gun. Colloquially it may also simply mean a "small tank". Tankettes were designed and built by several nations between the 1920s and 1940s following the British Carden Loyd tankette which was a successful implementation of "one man tank" ideas from Giffard Le Quesne Martel ,
3264-505: The most important tanks and AFVs in history, with a supporting collection housed in a multimedia exhibition. It follows the story of the tank, from its invention in 1915 through the 20th century and into the future: The Memorial Room was created in partnership with the Royal Armoured Corps Memorial Trust and commemorates the sacrifice of almost 13,000 Royal Armoured Corps soldiers who died in service since
3332-836: The most sophisticated trench systems. In the aftermath of the German spring offensive on the Western Front, the first tank-to-tank battle was between Mk IV tanks and German A7Vs in the Second Battle of Villers-Bretonneux in April 1918. About 40 captured Mark IVs were employed by the Germans as Beutepanzerwagen (the German word Beute means "loot" or "booty") with a crew of 12. These formed four tank companies from December 1917. Some of these had their six pounders replaced by
3400-515: The muddy, pocked terrain and slit trenches of the Battle of the Somme . The tank eventually proved highly successful and, as technology improved, it became a weapon that could cross large distances at much higher speeds than supporting infantry and artillery . The need to provide the units that would fight alongside the tank led to the development of a wide range of specialised AFVs, especially during
3468-588: The museum's World War I tanks the hall tells the story of the men who crewed the first tanks between 1916 and 1918. This hall explores the rise of the tank and the role of the cavalry on the Western Front. This hall displays the largest section, with military vehicles from most nations involved in that conflict. This hall contains the Battlegroup Afghanistan exhibition. The men of the Royal Armoured Corps were involved in some of
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#17327760428743536-484: The opposing force who can often hear and even feel their arrival. Tanks were classified either by size or by role. Classification by relative size was common, as this also tended to influence the tanks' role. Over time, tanks tended to be designed with heavier armour and weapons, increasing the weight of all tanks, so these classifications are relative to the average for the nation's tanks for any given period. An older tank design might be reclassified over time, such as
3604-416: The preliminary 24-day long barrage had destroyed all drainage and heavy rain had soaked the field, the tanks found it heavy going and contributed little ; those that sank into the swampy ground were immobilised and became easy targets for enemy artillery. Nearly 460 Mark IV tanks were used during the Battle of Cambrai in November 1917, showing that a large concentration of tanks could quickly overcome even
3672-460: The re-siting of the fuel tank and ease of transport. A total of 1,220 Mark IVs were built: 420 "Males" , 595 "Females" and 205 Tank Tenders (unarmed vehicles used to carry supplies), which made it the most numerous British tank of the war. The Mark IV was first used in mid 1917 at the Battle of Messines Ridge . It remained in British service until the end of the war, and a small number served briefly with other combatants afterwards. The director of
3740-527: The realization of an ancient concept – that of providing troops with mobile protection and firepower. Armies have deployed war machines and cavalries with rudimentary armour in battle for millennia. Use of these animals and engineering designs sought to achieve a balance between the conflicting paradoxical needs of mobility, firepower and protection. Siege engines , such as battering rams and siege towers , would often be armoured in order to protect their crews from enemy action. Polyidus of Thessaly developed
3808-423: The rear horns, and recovery cranes. Some of these devices were later used on operational tanks. Mark IVs were also the first tanks fitted with " unditching beams " by field workshops. A large wooden beam, reinforced with sheet metal, was stored across the top of the tank on a set of parallel rails. If the tank became stuck, the beam was attached to the tracks (often under fire) and then the tracks would drag it beneath
3876-449: The roof of the cab. They were dropped into trenches to allow the tank to cross over more easily. A large number of these tanks were also used for development work. In an attempt to improve trench-crossing capability, the "tadpole tail", an extension to the rear track horns, was introduced. However, it proved insufficiently rigid and does not appear to have been used in combat. Other experimental versions tested radios, mortars placed between
3944-439: The tank is, by its very nature, an offensive weapon. Being a protective encasement with at least one gun position, it is essentially a pillbox or small fortress (though these are static fortifications of a purely defensive nature) that can move toward the enemy – hence its offensive utility. Psychologically, the tank is a force multiplier that has a positive morale effect on the infantry it accompanies. It also instills fear in
4012-613: The tank, although a few designs mounted the fuel externally, such as the armoured trailer used on the Churchill Crocodile . Flame tanks have been superseded by thermobaric weapons such as the Russian TOS-1 . The idea for this tank was developed during World War I by British and French. The infantry tank was designed to work in concert with infantry in the assault, moving mostly at a walking pace, and carrying heavy armour to survive defensive fire. Its main purpose
4080-601: The vehicle, providing grip. The Mark IV was built by six manufacturers: Metropolitan (the majority builder), Fosters of Lincoln , Armstrong-Whitworth , Coventry Ordnance Works , William Beardmore & Company and Mirrlees, Watson & Co. , with the main production being in 1917. The first order was placed for 1,000 tanks with Metropolitan in August 1916. It was then cancelled, reinstated and then modified between August and December 1916. The other manufacturers, contracted for no more than 100 tanks each, were largely immune to
4148-475: The weight of a main battle tank. A trend toward composite armour is taking the place of steel – composites are stronger for a given weight, allowing the tank to be lighter for the same protection as steel armour, or better protected for the same weight. Armour is being supplemented with active protection systems on a number of vehicles, allowing the AFV to protect itself from incoming projectiles. The level of protection also usually varies considerably throughout
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#17327760428744216-442: Was equipped with a Hotchkiss machine gun , and with 7 mm armour for the gunner. Armoured cars were first used in large numbers on both sides during World War I as scouting vehicles. In 1903, H. G. Wells published the short story " The Land Ironclads ," positing indomitable war machines that would bring a new age of land warfare, the way steam-powered ironclad warships had ended the age of sail . Wells's literary vision
4284-607: Was powered by a four-cylinder 3.3-litre 16 hp Cannstatt Daimler engine giving it a maximum speed of around 9 miles per hour (14 kilometres per hour). The armament, consisting of two Maxim guns, was carried in two turrets with 360° traverse. Another early armoured car of the period was the French Charron, Girardot et Voigt 1902 , presented at the Salon de l'Automobile et du cycle in Brussels , on 8 March 1902. The vehicle
4352-645: Was realized in 1916, when, amidst the pyrrhic standstill of the Great War , the British Landship Committee deployed revolutionary armoured vehicles to break the stalemate. The tank was envisioned as an armoured machine that could cross ground under fire from machine guns and reply with its own mounted machine guns and naval artillery . These first British tanks of World War I moved on caterpillar tracks that had substantially lower ground pressure than wheeled vehicles, enabling them to pass
4420-582: Was the first armed, petrol-engine powered vehicle ever built. It consisted of a De Dion-Bouton quadracycle with a Maxim machine gun mounted on the front bar. An iron shield offered some protection for the driver from the front, but it lacked all-around protective armour. The armoured car was the first modern fully armoured fighting vehicle. The first of these was the Simms's Motor War Car , also designed by Simms and built by Vickers, Sons & Maxim in 1899. The vehicle had Vickers armour 6 mm thick and
4488-440: Was to suppress enemy fire, crush obstacles such as barbed-wire entanglements, and protect the infantry on their advance into and through enemy lines by giving mobile overwatch and cover . The French Renault FT was the first iteration of this concept. The British and French retained the concept between the wars and into the Second World War era. Because infantry tanks did not need to be fast, they could carry heavy armour. One of
4556-615: Was truck-mounted and used to great effect against British tanks, and the British QF 3-inch 20 cwt was mounted on trucks for use on the Western Front . Although the Birch gun was a general purpose artillery piece on an armoured tracked chassis, it was capable of elevation for anti-aircraft use. Vickers Armstrong developed one of the first SPAAGs based on the chassis of the Mk.E 6-ton light tank/ Dragon Medium Mark IV tractor , mounting
4624-504: Was ultimately forced to take a Mark IV into production in May 1917 that was only slightly different from the Mark I tank . The Mark IV Male initially carried three Lewis machine guns – one in the cab front and one in each sponson – and a QF 6 pdr 6 cwt gun in each sponson, with its barrel shortened as it had been found that the longer original was apt to strike obstacles or dig into the ground. The sponsons were not mirror images of each other, as their configuration differed to allow for
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