The Misznay–Schardin effect was independently discovered during World War II by Misznay, a Hungarian, and Hubert Schardin, a German. Rambo runs off to the bomb's location and strings up the Claymore with a trip wire underneath the bomb. The case has the words "FRONT TOWARD ENEMY" embossed on the front of the mine. Controlled detonation may be accomplished by use of either an electrical or non-electrical firing system. Rear-safety distance has been decreased to 15 m (49 ft) and shelf life has been increased to 25 years.[8]. Rambo spots an unexploded British "Grand Slam" bomb from World War II and asks Schoolboy for the Claymore. Through Picatinny, the United States Army accepted the weapon into service as the M18 Claymore and approximately 10,000 were produced. Internally the mine contains a layer of C-4 explosive behind a matrix of about seven hundred 1⁄8-inch-diameter (3.2 mm) steel balls set into an epoxy resin. There are field-expedient methods of detonating the mine by tripwire, or by a timer, but these are rarely used. Using a homemade chronograph, the engineers clocked the balls at 3,775 feet (1,151 m) per second. Schoolboy was seen carrying a Claymore during the film. Schoolboy was seen carrying a Claymore during the film. Its lethality out to 50 metres arrives in the form of 650 steel balls and it is activated by remote control or trip wire. This sets off the Claymore, which detonates the six thousand pounds of explosive in the "Grand Slam" bomb in the process, killing at least eight soldiers in a gigantic explosion. When the M18A1 is detonated, the explosion drives the matrix forward, out of the mine at a velocity of 1,200 m/s (3,937 ft/s),[1] at the same time breaking it into individual fragments. Bill Kincheloe came up with the idea of using a "Tiny Tim" toggle generator, of the type used with a number of Navy rockets. One of the first improvements was to replace the steel cubes with 7⁄32-inch (5.6 mm) hardened 52100 alloy ball bearings. The Tatmadaw arrive and the dogs sniff out the piece of Sarah's shirt. Italy produces the DAF M6 and DAF M7 directional fragmentation mines, weighing 18 and 10 kilograms respectively, with trip wire or remote control detonation. Schoolboy tosses it to him and Rambo rips off a piece of Sarah Miller's blouse. They did not spall from the shock of the explosive, but deformed into a useful aerodynamic shape similar to a .22 rimfire projectile. The optimum effective range is 50 m (55 yd), at which the optimal balance is achieved between lethality and area coverage, with a hit probability of 30% on a man-sized target.[4]. With this change, the velocity improved to 3,995 feet (1,218 m) per second. Later a Philadelphia company, Molded Plastic Insulation Company, took over the manufacture of the firing device for the first large-scale production run producing a plastic device.[1]. At Aerojet in the early 1950s, Guy C. Throner had independently come up with a design for a Claymore-like mine. Many countries have developed and used mines like the Claymore. After Bledsoe left the project to work at the Rheem corporation, William Kincheloe, another engineer, came onto the Claymore project. The M18A1 Claymore mine has a horizontally convex gray-green plastic case (inert training versions are light blue or green with a light blue band). [1], Technical challenges to overcome included developing a case to contain the corrosive C-3 explosive that would be durable enough to withstand months of field handling in wide temperature ranges. It was used in Rambo to kill many Tatmadaw soldiers. The force of the explosion deforms the relatively soft steel balls into a shape similar to a .22 rimfire projectile. The 100-foot (30 m) M4 electric firing wire on a green plastic spool is provided in each bandolier. The Claymore can also be victim-activated by booby-trapping it with a tripwire firing system for use in area denial operations. The light blue or black plastic M33 Inert Anti-Personnel Mine is the training and practice version of the M18A1 Claymore. The M18A1 Claymore Mine is a type of mine that is filled with C-4 plastic explosive. At 55 yards (50 m), this increased to 30%. Canada fielded a weapon called the "Phoenix" landmine, which used the Misznay–Schardin effect to project a spray of 0.25-inch (6.4 mm) steel cubes towards the enemy. It has the surface space of an average smartphone and includes a Picatinny rail for camera, laser, or other attachments. Using dyes to test various plastics for leaks, they found a suitable plastic called Durex 1661½, which could be easily molded into a case. They adopted simple peep sights, which were later replaced by a knife blade sight. [3] A simple open sight on the top surface allows for aiming the mine. The M-MPIMS is designed to be more controllable than the Claymore with less collateral damage, using an insensitive munitions explosive that is poured rather than packed for more uniform distribution results in more consistent blast pattern. John Rambo plants the Claymore mine under the bomb. [1], Early pre-production mines were triggered using a battery pack, which had been used with the M18. It comes with all the components of a real Claymore kit packed in an M7 bandolier. It is packed in a Claymore bag with inert M10 simulated detonator cap wire, an M57 "clacker" firing control, and an M40 circuit test kit. The M18A1 Claymore is a directional anti-personnel mine developed for the United States Armed Forces. This slightly improves the fragment velocity, and protects the steel fragments from the corrosive explosive. [1] These fragments are moderately effective up to a range of 100 m (110 yd), with a hit probability of around 10% on a prone man-sized 1.3-square-foot (0.12 m2) target. In 1954 Picatinny Arsenal issued a request for proposals (RFP) to improve the M18 as a more effective weapon. https://rambo.fandom.com/wiki/M18A1_Claymore_Mine?oldid=4907. It is used primarily in ambushes and as an anti-infiltration device against enemy infantry. The mine was barely more than a prototype and was not considered a "reliable casualty producer"; like the Phoenix it had an effective range of only 90 feet (27 m). Later when production was ramped up, the design was changed to flat steel scissor, folding-type legs. The M18A1 Claymore mine with the M57 firing device and M4 electric blasting cap assembly. Schardin spent some time developing the discovery as a side-attack anti-tankweapon, but development was inco… A ferrite choke was added to prevent RF signals and lightning from triggering the mine.[1]. Internally the mine consisted of a layer of 12-ounce (340 g) of C-3 explosive (the forerunner of C-4 explosive) in front of which was laid an array of 0.25-inch (6.4 mm) steel cubes. In total the mine weighed about 2.43-pound (1.10 kg), and could be fitted with an optional peep sight for aiming. He places the piece of Sarah's shirt on it and covers the equipment with leaves before fleeing. The M18 directional fragmentation anti-personnel mine, developed by Cardoen of Chile, contains 626 grams of explosives, surrounded by 607 AP fragmentation units providing a 60 degree arc of fire, with a 50-250 metre lethal range. It was first used in Vietnam in the spring or early summer 1966. It does not contain an explosive or pyrotechnic filler of any kind. The steel balls are projected in a 60° fan-shaped pattern that is 6.5 feet (2.0 m) high and 50 m (55 yd) wide at a range of 50 m (55 yd). The mine can be detonated by any mechanism that activates the blasting cap. When a sheet of explosive detonates in contact with a heavy backing surface (for example, a metal plate), the resulting blast is primarily directed away from the surface in a single direction. Type of Directional fragmentation anti-personnel mine. He worked with Don Kennedy and the two men submitted a 30-page proposal in response to Picatinny's RFP.

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