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Cañón 155 Mm. L 45 CALA 30
The 155mm L45 CALA 30 Gun (Argentine Army denomination: Cañón 155 mm. L 45 CALA 30) is an Argentinian long range field artillery system developed for and in limited service with the Argentine Army. Development Developed in late 1980s and early 1990s by CITEFA as Cañón de artillería de largo alcance calibre 155 milímetros L45 CALA 30 in order to supplement (and eventually replace) the CITER 155mm L33 Gun still in service in the Argentine Army. The development incorporates lessons learned in the use of artillery from the Falklands War. Battlefield scenarios that motivated the L45 development were that British seaborne troops were unable to leave the beaches for an extended period of time. Argentine forward observers could not call in long range artillery since it the longest range guns, the 155mm L33, were too widely dispersed and out of range. Cluster munitions were developed for use on the L45 for this reason as well. CITEFA designed an improved version, known as C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Field Gun
A field gun is a field artillery piece. Originally the term referred to smaller guns that could accompany a field army on the march, that when in combat could be moved about the battlefield in response to changing circumstances ( field artillery), as opposed to guns installed in a fort (garrison artillery or coastal artillery), or to siege cannons and mortars which are too large to be moved quickly, and would be used only in a prolonged siege. Perhaps the most famous use of the field gun in terms of advanced tactics was Napoleon Bonaparte's use of very large wheels on the guns that allowed them to be moved quickly even during a battle. By moving the guns from point-to-point during a battle, enemy formations could be broken up to be handled by the infantry or cavalry wherever they were massing, dramatically increasing the overall effectiveness of the attack. World War I As the evolution of artillery continued, almost all guns of any size became capable of being moved at some ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Argentine Army
The Argentine Army ( es, Ejército Argentino, EA) is the land force branch of the Armed Forces of the Argentine Republic and the senior military service of Argentina. Under the Argentine Constitution, the president of Argentina is the commander-in-chief of the Armed Forces, exercising his or her command authority through the Minister of Defense. The Army's official foundation date is May 29, 1810 (celebrated in Argentina as the ''Army Day''), four days after the Spanish colonial administration in Buenos Aires was overthrown. The new national army was formed out of several pre-existing colonial militia units and locally manned regiments; most notably the Infantry Regiment "Patricios", which to this date is still an active unit. , the active element of the Argentine Army numbered some 70,600 military personnel. History Several armed expeditions were sent to the Upper Peru (now Bolivia), Paraguay, Uruguay and Chile to fight Spanish forces and secure Argentina's newly gain ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CITEFA
The Institute of Scientific and Technical Research for Defense ( es, Instituto de Investigaciones Científicas y Técnicas para la Defensa, also known for its acronym CITEDEF), is an Argentine federal agency in charge of research and development in various scientific fields. It is also in charge of homologation of weaponry. Located in the Villa Martelli district of Greater Buenos Aires, CITEDEF is one of the scientific and technological organisms that depend on the Ministry of Defense and its Secretary of Planning. It is also a part of the "Constituyentes Technological Hub" along with other institutions such as the Atomic Energy National Commission (CNEA), the University of San Martín (UNSAM) and the National Institute of Industrial Technology (INTI), among others. CITEDEF currently develops a series of projects that give it an edge on research and technology at a regional level. It is the first link of the productive chain within the Production Industry for Defense through the i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DGFM
Fabricaciones Militares, the full name is Fabricaciones Militares Sociedad del Estado (Spanish for Military Industries State Corporation), is a state-owned Argentine arms manufacturer based in Buenos Aires. The company was a government agency under the name Dirección General de Fabricaciones Militares (Directorate General of Military Industries). Founded in 1941, over the years the company has diversified into different areas such as mining, petroleum, rolling stock and petrochemicals. The company is under the direction of the Argentine Ministry of Defence. History The company was created in 1941, under Argentine law 12.709, in order to expand the Argentine defense industry to compensate for the shortfall of imports that came about during the Second World War. In its early years, it produced primarily small arms and munitions whilst aiding in the development of other key industries in the country. The company expanded quickly and would eventually have 14 factories around the co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Interrupted Screw
Breech from Russian 122 mm M1910 howitzer, modified and combined with 105 mm H37 howitzer barrel An interrupted screw or interrupted thread is a mechanical device typically used in the breech of artillery guns. It is believed to have been invented in 1845. The system has also been used to close other applications, including the joint between helmet (bonnet) and breastplate (corselet) of standard diving suit helmets, and the locks of diving chambers. Design An interrupted screw has a section of thread along its axis removed. The screw is mated with a partially threaded hole in the receptacle: threadless channels in the breechblock screw line up with the threaded parts of the screw, and vice versa. The screw can thus be smoothly inserted all the way into the receptacle, after which as little as one-eighth of a turn can engage the two sets of threads securely, sealing the joint. The amount of rotation required to achieve full closure depends on the number of unthread ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gun Carriage
A gun carriage is a frame and mount that supports the gun barrel of an artillery piece, allowing it to be maneuvered and fired. These platforms often had wheels so that the artillery pieces could be moved more easily. Gun carriages are also used on ships to facilitate the movement and aiming of large cannons. Early guns The earliest guns were laid directly onto the ground, with earth being piled up under the muzzle end of the barrel to increase the elevation. As the size of guns increased, they began to be attached to heavy wooden frames or beds that were held down by stakes. These began to be replaced by wheeled carriages in the early 16th century. Smoothbore gun carriages From the 16th to the mid-19th century, the main form of artillery remained the smoothbore cannon. By this time, the trunnion (a short axle protruding from either side of the gun barrel) had been developed, with the result that the barrel could be held in two recesses in the carriage and secured with an iro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Field Artillery
Field artillery is a category of mobile artillery used to support armies in the field. These weapons are specialized for mobility, tactical proficiency, short range, long range, and extremely long range target engagement. Until the early 20th century, field artillery were also known as foot artillery, for while the guns were pulled by beasts of burden (often horses), the gun crews would usually march on foot, thus providing fire support mainly to the infantry. This was in contrast to horse artillery, whose emphasis on speed while supporting cavalry units necessitated lighter guns and crews riding on horseback. Whereas horse artillery has been superseded by self-propelled artillery, field artillery has survived to this day both in name and mission, albeit with motor vehicles towing the guns (this towed artillery arrangement is often called mobile artillery), carrying the crews and transporting the ammunition. Modern artillery has also advanced to rapidly deployable wheeled a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CITER 155mm L33 Gun
The 155mm L33 Argentine Model gun (Argentine Army denomination: ''Cañón 155 mm. L 33 Modelo Argentino'') is an Argentine artillery field gun in service with the Argentine Army. Development Developed in late 1970s by CITEFA as ''obus 155 mm L33 X1415 CITEFA Modelo 77'' in order to replace the World War II era M114 155 mm howitzer still in service in the Argentine Army. The ordnance is based on the gun carried by the French Mk F3 155mm self-propelled gun, also in service with the Argentine Army. Also designed by CITEFA is a slightly improved version named "''Modelo 81''". Service Examples of ''Modelo 77'' were used during the Falklands War. A total four guns were captured by the British, these were flown in via Argentine Air Force C-130 Hercules during the conflict's last weeks in order to repel British naval gun fire after direct request from Argentinian commander to Buenos Aires Junta. They were feared by British soldiers and were considered high value targets for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Base Bleed
Base bleed is a system used on some artillery shells to increase range, typically by about 20–35%. It expels gas into the low pressure area behind the shell to reduce base drag (it does not produce thrust). Since base bleed extends the range by a percentage, it is more useful on longer range artillery where an increase of approximately can be achieved. Until the late 1980s the small gains in range were not considered worthwhile for field artillery. Base bleed shells are becoming more common in units equipped with modern artillery with far greater range than older guns, but are usually only used when the longer range is required, due to their higher cost. Function Most (50–60%) of the drag on an artillery shell comes from the nose of the shell, as it pushes the air out of its way at supersonic speeds. Shaping the shell properly can reduce this drag. However, another powerful source of drag is the low-pressure area left behind the shell due to its blunt base. Base blee ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
155mm Gun CALA 30 Mk2
155 mm (6.1 in) is a common, NATO-standard, artillery caliber. It is defined in AOP-29 part 1 with reference to STANAG 4425. It is commonly used in field guns, howitzers, and gun-howitzers. Land warfare The caliber originated in France after its defeat in the Franco-Prussian War of 1870–1871, when an artillery committee met on 2 February 1874 to discuss new models for the French fortress and siege artillery, among which there was a piece in the caliber range (later on it became known as the De Bange 155 mm cannon). After several meetings, on 16 April 1874 the committee settled on the 15.5 cm caliber (in the subsequent program-letter of the committee, dating from 21 April 1874, the caliber was for the first time expressed as 155 mm). Since the early 21st century, most NATO armies have adopted 155 mm weapons as an all-purpose standard. They are seen as striking a good compromise between range and power, while only using a single caliber greatly simplifies the logi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
155 Mm Artillery
Year 155 ( CLV) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Severus and Rufinus (or, less frequently, year 908 ''Ab urbe condita''). The denomination 155 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Births * Cao Cao, Chinese statesman and warlord (d. 220) * Dio Cassius, Roman historian (d. c. 235) * Tertullian, Roman Christian theologian (d. c. 240) * Sun Jian, Chinese general and warlord (d. 191) Deaths * Pius I, Roman bishop * Polycarp, bishop of Smyrna (b. AD 65 AD 65 ( LXV) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Nerva and Vestinus (or, less frequently, year 818 ''Ab urbe condita''). ...) References {{DEFAULTSORT:155 [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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