94-655: The FF were a series of 20mm autocannon introduced by Oerlikon in the late 1920s. The name comes from the German term Flügel Fest , meaning wing mounted, fixed , being one of the first 20mm guns to be small and light enough to fit into a fighter aircraft 's wing. The FF series inspired many 20mm cannon used in World War II , including the Hispano-Suiza HS.404 (adopted by the French, British and U.S. forces),
188-400: A muzzle velocity of 600 metres per second (2,000 ft/s) at a cyclic rate of 520 rounds per minute, almost double that of the original F and AF models. The gun weighed only 24 kilograms (53 lb). Similar improvements led to the 30 kilograms (66 lb) FF L using a longer 20x101mm round which gave 750 metres per second (2,500 ft/s), and the 39 kilograms (86 lb) FF S firing
282-704: A 20x110mm round at 830 metres per second (2,700 ft/s) at a slightly slower 470 rounds per minute. The original guns became known as the FF F from this point on. The FF F was licensed by the Japanese and produced as the Type 99 -1, along with the FF L as the Type 99–2. Hispano-Suiza built the FF S as the HS.7, and slightly improved HS.9. This design was later abandoned by Hispano-Suiza. In
376-619: A consequence, fighters at the time had cannons added back in external "gun pods", and virtually all fighter aircraft retain autocannons in integral internal mounts to this day. After the Second World War, autocannons continued to serve as a versatile weapon in land, sea, and air applications. Examples of modern autocannons include the 25 mm Oerlikon KBA mounted on the IFV Freccia , the M242 Bushmaster mounted on
470-500: A core, with the first drilled bore ordnance recorded in operation near Seville in 1247. They fired lead, iron, or stone balls, sometimes large arrows and on occasions simply handfuls of whatever scrap came to hand. During the Hundred Years' War , these weapons became more common, initially as the bombard and later the cannon . Cannons were always muzzle-loaders . While there were many early attempts at breech-loading designs,
564-408: A field carriage, immobility once emplaced, highly individual design, and noted unreliability (in 1460 James II , King of Scots, was killed when one exploded at the siege of Roxburgh). Their large size precluded the barrels being cast and they were constructed out of metal staves or rods bound together with hoops like a barrel, giving their name to the gun barrel . The use of the word "cannon" marks
658-521: A hollow iron ball filled with pitch and fuse, designed to be fired at close range and burst on contact. The most popular in Portuguese arsenals was the berço , a 5 cm, one pounder bronze breech-loading cannon that weighted 150 kg with an effective range of 600 meters. A tactical innovation the Portuguese introduced in fort defense was the use of combinations of projectiles against massed assaults. Although canister shot had been developed in
752-478: A lack of engineering knowledge rendered these even more dangerous to use than muzzle-loaders. In 1415, the Portuguese invaded the Mediterranean port town of Ceuta . While it is difficult to confirm the use of firearms in the siege of the city, it is known the Portuguese defended it thereafter with firearms, namely bombardas , colebratas , and falconetes . In 1419, Sultan Abu Sa'id led an army to reconquer
846-475: A mid-19th-century 12-pounder gun , which fired a 4.1 kg (9.0 lb) round, with a kinetic energy of 240 kilojoules, or a 20th-century US battleship that fired a 1,225 kg (2,701 lb) projectile from its main battery with an energy level surpassing 350 megajoules . From the Middle Ages through most of the modern era , artillery pieces on land were moved by horse-drawn gun carriages . In
940-605: A modern autocannon ranges from 90 rounds per minute , in the case of the British RARDEN, to 2,500 rounds per minute with the GIAT 30 . Rotary systems with multiple barrels can achieve over 10,000 rounds per minute (the Russian GSh-6-23 , for example). Such extremely high rates of fire are effectively employed by aircraft in aerial dogfights and close air support on ground targets via strafing attacks, where
1034-497: A prelude to a decisive infantry and cavalry assault. Physically, cannons continued to become smaller and lighter. During the Seven Years War, King Frederick II of Prussia used these advances to deploy horse artillery that could move throughout the battlefield. Frederick also introduced the reversible iron ramrod, which was much more resistant to breakage than older wooden designs. The reversibility aspect also helped increase
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#17327758211611128-472: A rate of over 200 rounds a minute: much faster than conventional artillery while possessing a much longer range and more firepower than the infantry rifle . In 1913, Reinhold Becker and his Stahlwerke Becker firm designed the 20mm Becker cannon , addressing the German Empire 's perceived need for heavy-calibre aircraft armament. The Imperial Government's Spandau Arsenal assisted them in perfecting
1222-497: A role to which they were suited as tank armour is often lightest on top. The Polish 20 mm 38 Fk auto cannon was expensive to produce, but an exception. Unlike the Oerlikon, it was effective against all the tanks fielded in 1939, largely because it was built as an upgrade to the Oerlikon, Hispano-Suiza, and Madsen. It even proved capable of knocking out early Panzer IIIs and IVs, albeit with great difficulty. Only 55 were produced by
1316-540: A short period of time. The development of guided missiles was thought to render cannons unnecessary and a full generation of western fighter aircraft was built without them. In contrast, all Eastern Bloc aircraft kept their guns. During the Vietnam War , however, the United States Air Force realized that cannons were useful for firing warning shots and for attacking targets that did not warrant
1410-407: A single cannon shell with a high-explosive payload could instantly sever essential structural elements, penetrate armour or open up a fuel tank beyond the capacity of self-sealing compounds to counter, even from fairly long range. (Instead of explosives, such shells could carry incendiaries, also highly effective at destroying planes, or a combination of explosives and incendiaries.) Thus by the end of
1504-565: A sixth of all rounds used by the Portuguese in Morocco were of the fused-shell variety. The new Ming Dynasty established the "Divine Engine Battalion" (神机营), which specialized in various types of artillery. Light cannons and cannons with multiple volleys were developed. In a campaign to suppress a local minority rebellion near today's Burmese border, "the Ming army used a 3-line method of arquebuses/muskets to destroy an elephant formation". When
1598-565: A strong integrating effect on emerging nation-states, as kings were able to use their newfound artillery superiority to force any local dukes or lords to submit to their will, setting the stage for the absolutist kingdoms to come. Modern rocket artillery can trace its heritage back to the Mysorean rockets of Mysore . Their first recorded use was in 1780 during the battles of the Second , Third and Fourth Mysore Wars . The wars fought between
1692-421: Is a widely used generic term for a projectile, which is a component of munitions . By association, artillery may also refer to the arm of service that customarily operates such engines. In some armies, the artillery arm has operated field , coastal , anti-aircraft , and anti-tank artillery; in others these have been separate arms, and with some nations coastal has been a naval or marine responsibility. In
1786-407: Is regarded as the archetypal modern revolver cannon . With multiple chambers and a single barrel, autocannons using the revolver principle can combine a very high rate of fire and high acceleration to its maximum firing rate with low weight, at cost of a reduced sustained rate of fire compared to rotary cannon. They are therefore used mainly in aircraft for AA purposes, in which a target is visible for
1880-458: Is typically fed from a belt system to reduce reloading pauses or for a faster rate of fire , but magazines remain an option. Common types of ammunition, among a wide variety, include HEIAP , HEDP and more specialised armour-piercing (AP) munitions, mainly composite rigid ( APCR ) and discarding sabot ( APDS ) rounds. Capable of generating extremely rapid firepower , autocannons overheat quickly if used for sustained fire, and are limited by
1974-783: The British East India Company and the Kingdom of Mysore in India made use of the rockets as a weapon. In the Battle of Pollilur , the Siege of Seringapatam (1792) and in Battle of Seringapatam in 1799, these rockets were used with considerable effect against the British. After the wars, several Mysore rockets were sent to England, but experiments with heavier payloads were unsuccessful. In 1804 William Congreve, considering
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#17327758211612068-628: The M2/M3 Bradley , updated versions of the Bofors 40 mm gun , and the Mauser BK-27 . The 20 mm M61A1 is an example of an electrically powered rotary autocannon. Another role that has come into association with autocannons are that of close-in weapon systems on naval vessels, which are used to destroy anti-ship missiles and low flying aircraft. Artillery Artillery are ranged weapons that launch munitions far beyond
2162-578: The Messerschmitt 410 Hornisse (Hornet) bomber destroyer. 300 examples of the BK 5 cannon were built, more than all other versions. The PaK 40 semi-automatic 7.5 cm calibre anti-tank gun was the basis for the BK 7,5 in the Junkers Ju 88 P-1 heavy fighter and Henschel Hs 129 B-3 twin engined ground attack aircraft. The German Mauser MK 213 was developed at the end of the Second World War and
2256-586: The Oerlikon 20 mm , the Bofors 40 mm and various German Rheinmetall autocannons would see widespread use by both sides during the Second World War; not only in an anti-aircraft role, but as a weapon for use against ground targets as well. Heavier anti-aircraft cannon had difficulty tracking fast-moving aircraft and were unable to accurately judge altitude or distance, while machine guns possessed insufficient range and firepower to bring down aircraft consistently. Continued ineffectiveness against aircraft despite
2350-407: The catapult , onager , trebuchet , and ballista , are also referred to by military historians as artillery. During medieval times, more types of artillery were developed, most notably the counterweight trebuchet. Traction trebuchets, using manpower to launch projectiles, have been used in ancient China since the 4th century as anti-personnel weapons. The much more powerful counterweight trebuchet
2444-536: The contemporary era , artillery pieces and their crew relied on wheeled or tracked vehicles as transportation. These land versions of artillery were dwarfed by railway guns ; the largest of these large-calibre guns ever conceived – Project Babylon of the Supergun affair – was theoretically capable of putting a satellite into orbit . Artillery used by naval forces has also changed significantly, with missiles generally replacing guns in surface warfare . Over
2538-616: The siege of Constantinople in 1453 weighed 19 tons , took 200 men and sixty oxen to emplace, and could fire just seven times a day. The Fall of Constantinople was perhaps "the first event of supreme importance whose result was determined by the use of artillery" when the huge bronze cannons of Mehmed II breached the city's walls, ending the Byzantine Empire , according to Sir Charles Oman . Bombards developed in Europe were massive smoothbore weapons distinguished by their lack of
2632-442: The 15th century. The development of specialized pieces—shipboard artillery, howitzers and mortars —was also begun in this period. More esoteric designs, like the multi-barrel ribauldequin (known as "organ guns"), were also produced. The 1650 book by Kazimierz Siemienowicz Artis Magnae Artilleriae pars prima was one of the most important contemporary publications on the subject of artillery. For over two centuries this work
2726-551: The 16th century unequalled by contemporary European neighbours, in part due to the experience gained in intense fighting in Morocco, which served as a proving ground for artillery and its practical application, and made Portugal a forerunner in gunnery for decades. During the reign of King Manuel (1495–1521) at least 2017 cannon were sent to Morocco for garrison defense, with more than 3000 cannon estimated to have been required during that 26-year period. An especially noticeable division between siege guns and anti-personnel guns enhanced
2820-440: The 16th century, cannon were largely (though not entirely) displaced from the battlefield—the cannon were too slow and cumbersome to be used and too easily lost to a rapid enemy advance. The combining of shot and powder into a single unit, a cartridge, occurred in the 1620s with a simple fabric bag, and was quickly adopted by all nations. It speeded loading and made it safer, but unexpelled bag fragments were an additional fouling in
2914-628: The 1930s, Marc Birkigt designed an entirely new gas-operated cannon with a locked bolt, the HS.404 , which became one of the best 20 mm weapons of the war. Ikaria Werke in Germany started production of the FF F with a slightly more powerful 20x80mm round as the MG FF , but later introduced a new mine shell round which was lighter and improved velocity. The resulting MG FF/M was a common weapon until about 1944. Starting in late 1940 these were replaced by
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3008-431: The 20th century, target acquisition devices (such as radar) and techniques (such as sound ranging and flash spotting ) emerged, primarily for artillery. These are usually utilized by one or more of the artillery arms. The widespread adoption of indirect fire in the early 20th century introduced the need for specialist data for field artillery, notably survey and meteorological, and in some armies, provision of these are
3102-541: The Detachment Commander, and the highest number being the Coverer, the second-in-command. "Gunner" is also the lowest rank, and junior non-commissioned officers are "Bombardiers" in some artillery arms. Batteries are roughly equivalent to a company in the infantry, and are combined into larger military organizations for administrative and operational purposes, either battalions or regiments, depending on
3196-576: The English-held towns of Jargeau, Meung, and Beaugency, all with the support of large artillery units. When she led the assault on Paris, Joan faced stiff artillery fire, especially from the suburb of St. Denis, which ultimately led to her defeat in this battle. In April 1430, she went to battle against the Burgundians, whose support was purchased by the English. At this time, the Burgundians had
3290-597: The German MG FF , and the Japanese IJNAS 's Type 99 cannon . The basic design was based on the original Oerlikon 20 mm cannon , in turn based on the German Empire 's Becker 20 mm cannon of World War I . In the post-war period, Oerlikon had developed the original design to produce three autocannons with increasingly powerful rounds; the original model, later known as the "F", used the Becker 20x70mm round,
3384-684: The Javanese were considered excellent in casting artillery, and in the knowledge of using it. In 1513, the Javanese fleet led by Pati Unus sailed to attack Portuguese Malacca "with much artillery made in Java, for the Javanese are skilled in founding and casting, and in all works in iron , over and above what they have in India ". By the early 16th century, the Javanese had already started locally-producing large guns, which were dubbed "sacred cannon[s]" or "holy cannon[s]" and have survived up to
3478-717: The Mysorian rockets to have too short a range (less than 1,000 yards) developed rockets in numerous sizes with ranges up to 3,000 yards and eventually utilizing iron casing as the Congreve rocket which were used effectively during the Napoleonic Wars and the War of 1812 . With the Napoleonic Wars, artillery experienced changes in both physical design and operation. Rather than being overseen by "mechanics", artillery
3572-525: The Portuguese and Spanish arrived at Southeast Asia, they found that the local kingdoms were already using cannons. Portuguese and Spanish invaders were unpleasantly surprised and even outgunned on occasion. Duarte Barbosa ca. 1514 said that the inhabitants of Java were great masters in casting artillery and very good artillerymen. They made many one-pounder cannons (cetbang or rentaka ), long muskets, spingarde (arquebus), schioppi (hand cannon), Greek fire , guns (cannons), and other fire-works. In all aspects
3666-462: The amount of ammunition that can be carried by the weapons systems mounting them. Both the US 25 mm M242 Bushmaster and the British 30 mm RARDEN have relatively slow rates of fire so as not to deplete ammunition too quickly. The Oerlikon KBA 25 mm has a relatively mid-high rate of fire 650 rounds per minute but can be electronically programmed to 175-200 rounds per minute. The rate of fire of
3760-530: The army. These may be grouped into brigades; the Russian army also groups some brigades into artillery divisions, and the People's Liberation Army has artillery corps. The term "artillery" also designates a combat arm of most military services when used organizationally to describe units and formations of the national armed forces that operate the weapons. During military operations , field artillery has
3854-619: The bronze "thousand ball thunder cannon", an early example of field artillery . These small, crude weapons diffused into the Middle East (the madfaa ) and reached Europe in the 13th century, in a very limited manner. In Asia, Mongols adopted the Chinese artillery and used it effectively in the great conquest . By the late 14th century, Chinese rebels used organized artillery and cavalry to push Mongols out. As small smooth-bore barrels, these were initially cast in iron or bronze around
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3948-431: The course of military history, projectiles were manufactured from a wide variety of materials, into a wide variety of shapes, using many different methods in which to target structural/defensive works and inflict enemy casualties . The engineering applications for ordnance delivery have likewise changed significantly over time, encompassing some of the most complex and advanced technologies in use today. In some armies,
4042-461: The current context originated in the Middle Ages . One suggestion is that it comes from French atelier , meaning the place where manual work is done. Another suggestion is that it originates from the 13th century and the Old French artillier , designating craftsmen and manufacturers of all materials and warfare equipments (spears, swords, armor, war machines); and, for the next 250 years,
4136-564: The defense in a siege was lost. Cannons during this period were elongated, and the recipe for gunpowder was improved to make it three times as powerful as before. These changes led to the increased power in the artillery weapons of the time. Joan of Arc encountered gunpowder weaponry several times. When she led the French against the English at the Battle of Tourelles, in 1430, she faced heavy gunpowder fortifications, and yet her troops prevailed in that battle. In addition, she led assaults against
4230-415: The development of artillery ordnance, systems, organizations, and operations until the present, with artillery systems capable of providing support at ranges from as little as 100 m to the intercontinental ranges of ballistic missiles . The only combat in which artillery is unable to take part is close-quarters combat , with the possible exception of artillery reconnaissance teams. The word as used in
4324-512: The earlier phases of the war, the Japanese aircraft they dealt with were not only unusually lightly built but went without either armour plate or self-sealing tanks in order to reduce their weight. Nevertheless, the U.S. also adopted planes fitted with autocannon, such as the Lockheed P-38 Lightning, despite experiencing technical difficulties with developing and manufacturing these large-calibre automatic guns. Weapons such as
4418-453: The early 15th century, the Portuguese were the first to employ it extensively, and Portuguese engineers invented a canister round which consisted of a thin lead case filled with iron pellets, that broke up at the muzzle and scattered its contents in a narrow pattern. An innovation which Portugal adopted in advance of other European powers was fuse-delayed action shells, and were commonly used in 1505. Although dangerous, their effectiveness meant
4512-412: The end of 1915 , almost entirely replaced wood and fabric biplanes . At the same time as they began to be made from stronger materials, the machines also increased in speed, streamlining, power and size, and it began to be apparent that correspondingly more powerful weapons would be needed to counter them. Conversely, they were becoming much better able to carry exactly such larger and more powerful guns;
4606-414: The end of the 14th century, cannons were only powerful enough to knock in roofs, and could not penetrate castle walls. However, a major change occurred between 1420 and 1430, when artillery became much more powerful and could now batter strongholds and fortresses quite efficiently. The English, French, and Burgundians all advanced in military technology, and as a result the traditional advantage that went to
4700-433: The enemy by obscuring their view. Fire may be directed by an artillery observer or another observer, including crewed and uncrewed aircraft, or called onto map coordinates . Military doctrine has had a significant influence on the core engineering design considerations of artillery ordnance through its history, in seeking to achieve a balance between the delivered volume of fire with ordnance mobility. However, during
4794-470: The expenditure of a (much more expensive) missile, and, more importantly, as an additional weapon if the aircraft had expended all its missiles or enemy aircraft were inside of the missiles' minimum target acquisition range in a high-G close range engagement. This was particularly important with the lower reliability of early air-to-air missile technology, such as that employed during the Vietnam War. As
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#17327758211614888-410: The fallen city, and Marinids brought cannons and used them in the assault on Ceuta. Finally, hand-held firearms and riflemen appear in Morocco, in 1437, in an expedition against the people of Tangiers . It is clear these weapons had developed into several different forms, from small guns to large artillery pieces. The artillery revolution in Europe caught on during the Hundred Years' War and changed
4982-591: The fuselage or wings. The 37 mm BK 3,7 cannon, based on the German Army's 3.7 cm FlaK 43 anti-aircraft autocannon was mounted in pairs in underwing gun pods on a small number of specialized Stuka Panzerknacker (tank buster) aircraft. The BK 5 cm cannon , based on the 5 cm KwK 39 cannon of the Panzer III , was installed in Ju 88P bomber destroyers , which also used other Bordkanone models, and in
5076-494: The ground breaking legs and ankles. The development of modern artillery occurred in the mid to late 19th century as a result of the convergence of various improvements in the underlying technology. Advances in metallurgy allowed for the construction of breech-loading rifled guns that could fire at a much greater muzzle velocity . After the British artillery was shown up in the Crimean War as having barely changed since
5170-423: The gun barrel and a new tool—a worm —was introduced to remove them. Gustavus Adolphus is identified as the general who made cannon an effective force on the battlefield—pushing the development of much lighter and smaller weapons and deploying them in far greater numbers than previously. The outcome of battles was still determined by the clash of infantry. Shells, explosive-filled fused projectiles, were in use by
5264-491: The guns in aircraft failed, as the weight severely limited both speed and altitude, thus making successful interception impossible. The more effective QF 2 pounder naval gun would be developed during the war to serve as an anti-aircraft and close range defensive weapon for naval vessels. Autocannons would serve to a much greater extent and effect during the Second World War . The German Panzer II light tank, which
5358-418: The introduction in the 15th century of a dedicated field carriage with axle, trail and animal-drawn limber—this produced mobile field pieces that could move and support an army in action, rather than being found only in the siege and static defenses. The reduction in the size of the barrel was due to improvements in both iron technology and gunpowder manufacture, while the development of trunnions —projections at
5452-427: The introduction of self sealing fuel tanks provided reliable protection against these small projectiles. These new defenses, synergistically with the general robustness of new aircraft designs and of course their sheer speed, which made simply shooting them accurately in the first place far more difficult, entailed that it took a lot of such bullets and a fair amount of luck to cause them critical damage; but potentially
5546-470: The introduction of a gun shield necessary. The problems of how to employ a fixed or horse-towed gun in mobile warfare necessitated the development of new methods of transporting the artillery into combat. Two distinct forms of artillery were developed: the towed gun, used primarily to attack or defend a fixed-line; and the self-propelled gun, intended to accompany a mobile force and to provide continuous fire support and/or suppression. These influences have guided
5640-470: The large numbers installed during the second World War led, in the West, to the removal of almost all shipboard anti-aircraft weapons in the early post-war period. This was only reversed with the introduction of computer-controlled systems. The German Luftwaffe deployed small numbers of the experimental Bordkanone series of heavy aircraft cannon in 37, 50 and 75 mm calibres, mounted in gun pods under
5734-486: The largest share of an army's total firepower. Originally, the word "artillery" referred to any group of soldiers primarily armed with some form of manufactured weapon or armour. Since the introduction of gunpowder and cannon, "artillery" has largely meant cannon, and in contemporary usage, usually refers to shell -firing guns , howitzers , and mortars (collectively called barrel artillery , cannon artillery or gun artillery ) and rocket artillery . In common speech,
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#17327758211615828-451: The modern period, the consideration of protecting the gunners also arose due to the late-19th-century introduction of the new generation of infantry weapons using conoidal bullet , better known as the Minié ball , with a range almost as long as that of field artillery. The gunners' increasing proximity to and participation in direct combat against other combat arms and attacks by aircraft made
5922-494: The newer "L" model used a 20x100 round, and finally the "S" model used a 20x110. All of these weapons used the API blowback operational principle. In 1935 Oerlikon started development of versions suitable for use as wing-mounted guns. In addition to various changes needed for remote firing and cartidge ejection, the new series focused primarily on rate-of-fire. The original "FF" used a slightly upgraded 128 gram 20x72mm round with
6016-468: The nuts, bolts and screws made their mass production and repair much easier. While the Gribeauval system made for more efficient production and assembly, the carriages used were heavy and the gunners were forced to march on foot (instead of riding on the limber and gun as in the British system). Each cannon was named for the weight of its projectiles, giving us variants such as 4, 8, and 12, indicating
6110-538: The ordnance. Although only about 500+ examples of the original Becker design were made during World War I, the design's patent was acquired by the Swiss Oerlikon Contraves firm in 1924, with the Third Reich's Ikaria-Werke firm of Berlin using Oerlikon design patents in creating the MG FF wingmount cannon ordnance. The Imperial Japanese Navy 's Type 99 cannon , adopted and produced in 1939,
6204-701: The present day - though in limited numbers. These cannons varied between 180 and 260 pounders, weighing anywhere between 3–8 tons, measuring between 3–6 m. Between 1593 and 1597, about 200,000 Korean and Chinese troops which fought against Japan in Korea actively used heavy artillery in both siege and field combat. Korean forces mounted artillery in ships as naval guns , providing an advantage against Japanese navy which used Kunikuzushi (国崩し – Japanese breech-loading swivel gun ) and Ōzutsu (大筒 – large size Tanegashima ) as their largest firearms. Bombards were of value mainly in sieges . A famous Turkish example used at
6298-461: The range and power of infantry firearms . Early artillery development focused on the ability to breach defensive walls and fortifications during sieges , and led to heavy, fairly immobile siege engines . As technology improved, lighter, more mobile field artillery cannons developed for battlefield use. This development continues today; modern self-propelled artillery vehicles are highly mobile weapons of great versatility generally providing
6392-468: The rate of fire, since a soldier would no longer have to worry about what end of the ramrod they were using. Jean-Baptiste de Gribeauval , a French artillery engineer, introduced the standardization of cannon design in the mid-18th century. He developed a 6-inch (150 mm) field howitzer whose gun barrel, carriage assembly and ammunition specifications were made uniform for all French cannons. The standardized interchangeable parts of these cannons down to
6486-406: The responsibility of the artillery arm. The majority of combat deaths in the Napoleonic Wars , World War I , and World War II were caused by artillery. In 1944, Joseph Stalin said in a speech that artillery was "the god of war". Although not called by that name, siege engines performing the role recognizable as artillery have been employed in warfare since antiquity. The first known catapult
6580-548: The role of providing support to other arms in combat or of attacking targets, particularly in-depth. Broadly, these effects fall into two categories, aiming either to suppress or neutralize the enemy, or to cause casualties, damage, and destruction. This is mostly achieved by delivering high-explosive munitions to suppress, or inflict casualties on the enemy from casing fragments and other debris and from blast , or by destroying enemy positions, equipment, and vehicles. Non-lethal munitions, notably smoke, can also suppress or neutralize
6674-735: The sense of the word "artillery" covered all forms of military weapons. Hence, the naming of the Honourable Artillery Company , which was essentially an infantry unit until the 19th century. Another suggestion is that it comes from the Italian arte de tirare (art of shooting), coined by one of the first theorists on the use of artillery, Niccolò Tartaglia . The term was used by Girolamo Ruscelli (died 1566) in his Precepts of Modern Militia published posthumously in 1572. Mechanical systems used for throwing ammunition in ancient warfare, also known as " engines of war ", like
6768-466: The side of the cannon as an integral part of the cast—allowed the barrel to be fixed to a more movable base, and also made raising or lowering the barrel much easier. The first land-based mobile weapon is usually credited to Jan Žižka , who deployed his oxen-hauled cannon during the Hussite Wars of Bohemia (1418–1424). However, cannons were still large and cumbersome. With the rise of musketry in
6862-476: The siege of Roxburgh Castle in 1460. The able use of artillery supported to a large measure the expansion and defense of the Portuguese Empire , as it was a necessary tool that allowed the Portuguese to face overwhelming odds both on land and sea from Morocco to Asia. In great sieges and in sea battles, the Portuguese demonstrated a level of proficiency in the use of artillery after the beginning of
6956-454: The siege sixty-nine guns in fifteen separate batteries and trained them at the walls of the city. The barrage of Ottoman cannon fire lasted forty days, and they are estimated to have fired 19,320 times. Artillery also played a decisive role in the Battle of St. Jakob an der Birs of 1444. Early cannon were not always reliable; King James II of Scotland was killed by the accidental explosion of one of his own cannon, imported from Flanders, at
7050-432: The smaller-caliber kinetic projectiles ( bullets ) fired by a machine gun . Autocannons have a longer effective range and greater terminal performance than machine guns, due to the use of larger/heavier munitions (most often in the range of 20–60 mm (0.79–2.36 in), but bigger calibers also exist), but are usually smaller than tank guns , howitzers , field guns , or other artillery . When used on its own,
7144-670: The strongest and largest gunpowder arsenal among the European powers, and yet the French, under Joan of Arc's leadership, were able to beat back the Burgundians and defend themselves. As a result, most of the battles of the Hundred Years' War that Joan of Arc participated in were fought with gunpowder artillery. The army of Mehmet the Conqueror , which conquered Constantinople in 1453, included both artillery and foot soldiers armed with gunpowder weapons. The Ottomans brought to
7238-564: The target dwell time is short and weapons are typically operated in brief bursts. The first modern autocannon was the British QF 1-pounder , also known as the "pom-pom". This was essentially an enlarged version of the Maxim gun , which was the first successful fully automatic machine gun, requiring no outside stimulus in its firing cycle other than holding the trigger. The pom-pom fired 1 pound (0.45 kg) gunpowder-filled explosive shells at
7332-451: The technology of which was in the meantime also developing, providing significantly improved rates of fire and reliability. When the Second World War did break out, it was swiftly realised that the power of contemporary aircraft allowed armour plate to be fitted to protect the pilot and other vulnerable areas. This innovation proved highly effective against rifle-calibre machine gun rounds, which tended to ricochet off harmlessly. Similarly
7426-406: The term "gunners" for the soldiers and sailors with the primary function of using artillery. The gunners and their guns are usually grouped in teams called either "crews" or "detachments". Several such crews and teams with other functions are combined into a unit of artillery, usually called a battery , although sometimes called a company. In gun detachments, each role is numbered, starting with "1"
7520-636: The time of the Polish Defensive War. However it was in the air war that these weapons played their most important part in the conflict. During the First World War, rifle-calibre machine guns became the standard weapons of military aircraft. In the Second, several factors brought about their replacement by autocannon. During the inter-war years, aircraft underwent extensive evolution and the all-metal monoplane , pioneered as far back as
7614-634: The use and effectiveness of Portuguese firearms above contemporary powers, making cannon the most essential element in the Portuguese arsenal. The three major classes of Portuguese artillery were anti-personnel guns with a high borelength (including: rebrodequim , berço , falconete , falcão , sacre , áspide , cão , serpentina and passavolante ); bastion guns which could batter fortifications ( camelete , leão , pelicano , basilisco , águia , camelo , roqueira , urso ); and howitzers that fired large stone cannonballs in an elevated arch, weighted up to 4000 pounds and could fire incendiary devices, such as
7708-399: The very different Mauser MG 151/15 and Mauser MG 151/20 autocannon, respectively of 15mm (early) and 20mm calibre (primary production). Autocannon An autocannon , automatic cannon or machine cannon is a fully automatic gun that is capable of rapid-firing large- caliber (20 mm/0.79 in or more) armour-piercing , explosive or incendiary shells , as opposed to
7802-674: The war, the fighter aircraft of almost all the belligerents mounted cannon of some sort, the only exception being the United States which in most cases favoured the Browning AN/M2 "light-barrel" .50 calibre heavy machine gun . A fighter equipped with these intermediate weapons in sufficient numbers was adequately armed to fulfill most of the Americans' combat needs aloft, as they tended to confront enemy fighters and other small planes far more often than large bombers; and as, in
7896-492: The way that battles were fought. In the preceding decades, the English had even used a gunpowder-like weapon in military campaigns against the Scottish. However, at this time, the cannons used in battle were very small and not particularly powerful. Cannons were only useful for the defense of a castle , as demonstrated at Breteuil in 1356, when the besieged English used a cannon to destroy an attacking French assault tower. By
7990-580: The weapon of artillery is the projectile, not the equipment that fires it. The process of delivering fire onto the target is called gunnery. The actions involved in operating an artillery piece are collectively called "serving the gun" by the "detachment" or gun crew, constituting either direct or indirect artillery fire. The manner in which gunnery crews (or formations) are employed is called artillery support. At different periods in history, this may refer to weapons designed to be fired from ground-, sea-, and even air-based weapons platforms . Some armed forces use
8084-421: The weight in pounds. The projectiles themselves included solid balls or canister containing lead bullets or other material. These canister shots acted as massive shotguns, peppering the target with hundreds of projectiles at close range. The solid balls, known as round shot , was most effective when fired at shoulder-height across a flat, open area. The ball would tear through the ranks of the enemy or bounce along
8178-573: The word "artillery" is often used to refer to individual devices, along with their accessories and fittings, although these assemblages are more properly called "equipment". However, there is no generally recognized generic term for a gun, howitzer, mortar, and so forth: the United States uses "artillery piece", but most English-speaking armies use "gun" and "mortar". The projectiles fired are typically either " shot " (if solid) or "shell" (if not solid). Historically, variants of solid shot including canister , chain shot and grapeshot were also used. "Shell"
8272-667: The word "autocannon" typically indicates a non-rotary weapon with a single barrel . When multiple rotating barrels are involved, such a weapon is referred to as a "rotary autocannon" or occasionally " rotary cannon ", for short (particularly on aircraft). Autocannons are heavy weapons that are unsuitable for use by infantry . Due to the heavy weight and recoil , they are typically installed on fixed mounts , wheeled carriages , ground combat vehicles , aircraft , or watercraft , and are almost always crew-served , or even remote-operated with automatic target recognition / acquisition (e.g. sentry guns and naval CIWS ). As such, ammunition
8366-745: Was also based on the Becker/Oerlikon design's principles. During the First World War , autocannons were mostly used in the trenches as anti-aircraft guns . The British used pom-pom guns as part of their air defences to counter the German Zeppelin airships that made regular bombing raids on London . However, they were of little value, as their shells neither ignited the hydrogen of the Zeppelins nor caused sufficient loss of gas (and hence lift) to bring them down. Attempts to use
8460-496: Was developed in Syracuse in 399 BC. Until the introduction of gunpowder into western warfare, artillery was dependent upon mechanical energy which not only severely limited the kinetic energy of the projectiles, it also required the construction of very large engines to accumulate sufficient energy. A 1st-century BC Roman catapult launching 6.55 kg (14.4 lb) stones achieved a kinetic energy of 16 kilojoules , compared to
8554-454: Was invented in the eastern Mediterranean region in the 12th century, with the earliest definite attestation in 1187. Early Chinese artillery had vase-like shapes. This includes the "long range awe inspiring" cannon dated from 1350 and found in the 14th century Ming dynasty treatise Huolongjing . With the development of better metallurgy techniques, later cannons abandoned the vase shape of early Chinese artillery. This change can be seen in
8648-535: Was one of the most numerous in German service during the invasion of Poland and the campaign in France , used a 20 mm autocannon as its main armament. Although ineffective against tank armour even during the early years of the war, the cannon was effective against light-skinned vehicles as well as infantry and was also used by armoured cars . Larger examples, such as the 40 mm Vickers S , were mounted in ground attack aircraft to serve as an anti-tank weapon,
8742-501: Was used in Europe as a basic artillery manual. One of the most significant effects of artillery during this period was however somewhat more indirect—by easily reducing to rubble any medieval-type fortification or city wall (some which had stood since Roman times), it abolished millennia of siege-warfare strategies and styles of fortification building. This led, among other things, to a frenzy of new bastion -style fortifications to be built all over Europe and in its colonies, but also had
8836-423: Was viewed as its own service branch with the capability of dominating the battlefield. The success of the French artillery companies was at least in part due to the presence of specially trained artillery officers leading and coordinating during the chaos of battle. Napoleon , himself a former artillery officer, perfected the tactic of massed artillery batteries unleashed upon a critical point in his enemies' line as
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