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MAPED F1
The MAPED F1 is a claymore-shaped plastic-bodied directional anti-personnel mine which is designed to wound or kill by fragmentation. It has been the standard directional anti-personnel mine of the French army since the late 1970s. The MAPED F1 body is flat on the back and convex on the front, it has a small aiming sight on the top left corner and plastic lugs in the bottom corners for attaching a pair of "A" frame support legs. The mine contains a plastic explosive charge to propel 500 steel ball fragments to a range of 50 meters in a 60° arc. The MAPED F1 is battery powered and is normally actuated by breakwire, but tripwire and command actuation are also possible. The MAPED F1 is surface mounted and it can be located visually or with metal detectors under most field conditions. The MAPED F1 can be defeated by blast overpressure from explosive breaching systems like the Giant Viper and MICLIC unless it is set up for command actuation. Mine operation The MAPED F1 uses a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M18A1 Claymore Mine
The Claymore mine is a directional anti-personnel mine developed for the United States Armed Forces. Its inventor, Norman MacLeod, named the mine after a large medieval Scottish sword. Unlike a conventional land mine, the Claymore is command-detonated and directional, meaning it is fired by remote-control and shoots a wide pattern of metal balls into the kill zone. The Claymore can also be victim-activated by booby-trapping it with a tripwire firing system for use in area denial operations. The Claymore fires steel balls out to about within a 60° arc in front of the device. It is used primarily in ambushes and as an anti-infiltration device against enemy infantry. It is also used against unarmored vehicles. Many countries have developed and used mines like the Claymore. Examples include former Soviet Union models MON-50, MON-90, MON-100, and MON-200, as well as MRUD (Serbia), MAPED F1 (France), and Mini MS-803 (South Africa). Description The M18A1 Claymore mine has a hor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anti-personnel Mine
Anti-personnel mines are a form of mine designed for use against humans, as opposed to anti-tank mines, which are designed for use against vehicles. Anti-personnel mines may be classified into blast mines or fragmentation mines; the latter may or may not be a bounding mine. The mines are often designed to injure, not kill, their victims to increase the logistical (mostly medical) support required by enemy forces that encounter them. Some types of anti-personnel mines can also damage the tracks on armoured vehicles or the tires of wheeled vehicles. The International Campaign to Ban Landmines has sought to ban mines culminating in the 1997 Ottawa Treaty, although this treaty has not yet been accepted by over 30 countries. Use Anti-personnel mines are used in a similar manner to anti-tank mines, in static "mine fields" along national borders or in defense of strategic positions as described in greater detail in the land mine article. What makes them different from most anti-ta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
French Army
The French Army, officially known as the Land Army (french: Armée de Terre, ), is the land-based and largest component of the French Armed Forces. It is responsible to the Government of France, along with the other components of the Armed Forces. The current Chief of Staff of the French Army (CEMAT) is General , a direct subordinate of the Chief of the Defence Staff (CEMA). General Schill is also responsible to the Ministry of the Armed Forces for organization, preparation, use of forces, as well as planning and programming, equipment and Army future acquisitions. For active service, Army units are placed under the authority of the Chief of the Defence Staff (CEMA), who is responsible to the President of France for planning for, and use of forces. All French soldiers are considered professionals, following the suspension of French military conscription, voted in parliament in 1997 and made effective in 2001. , the French Army employed 118,600 personnel (including the Fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plastic Explosive
Plastic explosive is a soft and hand-moldable solid form of explosive material. Within the field of explosives engineering, plastic explosives are also known as putty explosives or blastics. Plastic explosives are especially suited for explosive demolition. Common plastic explosives include Semtex and C-4. The first manufactured plastic explosive was gelignite in 1875, invented by Alfred Nobel. Usage Plastic explosives are especially suited for explosive demolition of obstacles and fortifications by engineers, combat engineers and criminals as they can be easily formed into the best shapes for cutting structural members and have a high enough velocity of detonation and density for metal cutting work. An early use of plastic explosives was in the warhead of the Petard demolition mortar of the British Armoured Vehicle Royal Engineers (AVRE); said mortar was used to destroy concrete fortifications encountered during Operation Overlord (D-Day). The original use of Nobel 808 s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tripwire
A tripwire is a passive triggering mechanism. Typically, a wire or cord is attached to a device for detecting or reacting to physical movement. Military applications Such tripwires may be attached to one or more mines – especially fragmentation or bounding mines – in order to increase the area where triggering may occur.. Trip wires are frequently used in booby traps—where either a tug on the wire, or the release of tension on it, will trigger the explosives. Soldiers sometimes detect the presence of tripwires by spraying the area with Silly String. It will settle to the ground in areas where there are no wires. Where wires are present, the "strings" will rest on the taut wires without triggering the explosive, due to its light weight. Its use in detecting tripwires was first discovered in 1993 by Sergeant First Class (SFC) David B. Chandler, Chief Instructor of the U.S. Army's Sapper Leader Course. That year it was introduced to students attending the course, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metal Detector
A metal detector is an instrument that detects the nearby presence of metal. Metal detectors are useful for finding metal objects on the surface, underground, and under water. The unit itself, consist of a control box, and an adjustable shaft, which holds a pickup coil, which can vary in shape and size. If the pickup coil comes near a piece of metal, the control box will register its presence by a changing tone, a flashing light, and or by a needle moving on an indicator. Usually the device gives some indication of distance; the closer the metal is, the higher the tone in the earphone or the higher the needle goes. Another common type are stationary "walk through" metal detectors used at access points in prisons, courthouses, airports and psychiatric hospitals to detect concealed metal weapons on a person's body. The simplest form of a metal detector consists of an oscillator producing an alternating current that passes through a coil producing an alternating magnetic field. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blast Overpressure
Overpressure (or blast overpressure) is the pressure caused by a shock wave over and above normal atmospheric pressure. The shock wave may be caused by sonic boom or by explosion, and the resulting overpressure receives particular attention when measuring the effects of nuclear weapons or thermobaric bombs. Effects According to an article in the journal ''Toxicological Sciences'', Blast overpressure (BOP), also known as high energy impulse noise, is a damaging outcome of explosive detonations and firing of weapons. Exposure to BOP shock waves alone results in injury predominantly to the hollow organ systems such as auditory, respiratory, and gastrointestinal systems. An EOD suit worn by bomb disposal experts can protect against the effects of BOP. Calculation for an enclosed space Overpressure in an enclosed space is determined using "Weibull's formula": \Delta p = 22.5 \left( \right)^ \text where: *22.5 is a constant based on experimentation *m\, = (kilograms) net ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mine-clearing Line Charge
A mine-clearing line charge (abbreviated MCLC or MICLIC and pronounced or "''mick-lick''") is used to create a breach in minefields under combat conditions. While there are many types, the basic design is for many explosive charges connected on a line to be projected onto the minefield. The charges explode, detonating any buried mines, thus clearing a path for infantry or armor to cross. The system may either be human-portable or vehicle-mounted. Man portable are primarily used to clear smaller paths for dismounted infantry while the larger vehicle mounted are used to clear paths for vehicles such as tanks, and infantry fighting vehicles or Armored Personnel Carriers. The systems do not guarantee clearance of all types of mines. History The British and Commonwealth developed their systems during the Second World War. The Canadians developed "Snake", an oversized application of the Bangalore torpedo in 1941 to 1942. A more flexible development was "Conger", developed in 1944 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MAPED
Maped (an acronym for Manufacture d'Articles de Précision Et de Dessin) is an independent, French, and family-owned brand, and world leader in school supplies and accessories. Founded in 1947 in Annecy, Haute-Savoie, France, Maped is now present in 125 countries with 20 affiliates in the scissors, pencil and eraser markets. Its capital is €5,155,000 and 50% of the company's turnover is generated outside Europe. Maped creates and manufactures school, writing and office supplies as well as fun and playful activity kits and nomad food containers. Present in various sectors Maped owns 8 different brands: Maped, Maped Office, Maped Picnik, Maped Creativ, Maped Color’Peps, Joustra, Helit and Helix. The French brand is committed to the causes of education and the environment. History Maped was founded in 1947 in Annecy, with its first products being traditional brass compasses. Until 1985, the compass remained the only production activity. For almost 40 years, Maped has speci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Contact Wire
An overhead line or overhead wire is an electrical cable that is used to transmit electrical energy to electric locomotives, trolleybuses or trams. It is known variously as: * Overhead catenary * Overhead contact system (OCS) * Overhead equipment (OHE) * Overhead line equipment (OLE or OHLE) * Overhead lines (OHL) * Overhead wiring (OHW) * Traction wire * Trolley wire This article follows the International Union of Railways in using the generic term ''overhead line''. An overhead line consists of one or more wires (or rails, particularly in tunnels) situated over rail tracks, raised to a high electrical potential by connection to feeder stations at regular intervals. The feeder stations are usually fed from a high-voltage electrical grid. Overview Electric trains that collect their current from overhead lines use a device such as a pantograph, bow collector or trolley pole. It presses against the underside of the lowest overhead wire, the contact wire. Current collectors ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Detonator
A detonator, frequently a blasting cap, is a device used to trigger an explosive device. Detonators can be chemically, mechanically, or electrically initiated, the last two being the most common. The commercial use of explosives uses electrical detonators or the capped fuse which is a length of safety fuse to which an ordinary detonator has been joined. Many detonators' primary explosive is a material called ASA compound. This compound is formed from lead azide, lead styphnate and aluminium and is pressed into place above the base charge, usually TNT or tetryl in military detonators and PETN in commercial detonators. Other materials such as DDNP (diazo dinitro phenol) are also used as the primary charge to reduce the amount of lead emitted into the atmosphere by mining and quarrying operations. Old detonators used mercury fulminate as the primary, often mixed with potassium chlorate to yield better performance. A blasting cap is a small sensitive primary explosive device ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Army
The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, clause 1 of the United States Constitution (1789). See alsTitle 10, Subtitle B, Chapter 301, Section 3001 The oldest and most senior branch of the U.S. military in order of precedence, the modern U.S. Army has its roots in the Continental Army, which was formed 14 June 1775 to fight the American Revolutionary War (1775–1783)—before the United States was established as a country. After the Revolutionary War, the Congress of the Confederation created the United States Army on 3 June 1784 to replace the disbanded Continental Army.Library of CongressJournals of the Continental Congress, Volume 27/ref> The United States Army considers itself to be a continuation of the Continental Army, and thus considers its institutional inception to be th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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