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VS-50 AP Mine (Historical Prop)

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3D model description

The VS-50 is a circular plastic cased anti-personnel blast mine, formerly manufactured by the now-defunct Valsella Meccanotecnica SpA, an Italian high-tech defence industry specialized in area denial systems which was also the manufacturer of the Valmara 69 and one of the first industries in the world to implement plastic construction for landmines. The design is similar to the TS-50 and VS-MK2 mine. It is blast resistant and can be used in a minimum metal configuration. Though unlikely to kill, the explosive charge contained within a VS-50 is quite sufficient to destroy the victim's foot: the blast is capable of penetrating 5 mm of mild steel leaving an 80 mm-diameter hole.

Description:
The mine consists of three sections, a bottom section containing the main explosive charge, a middle section which contains the fuze and safety/arming mechanism, and the top section which consists of a neoprene pressure pad. The neoprene pressure pad is sometimes reinforced with an 18 gram mild steel plate, which makes the mine detectable by metal detectors. However, the majority of VS-50s were manufactured as minimal metal mines and are therefore much harder to detect. The case is waterproof and can be used in water up to one metre deep. The mine can be deployed by helicopters or ground vehicles or laid by hand.

Operation:
A sustained downward force of approximately ten kilograms on the pressure plate for a minimum of 0.10 seconds compresses the firing spring and cocks the striker. Continuous downward movement allows the trigger assembly to pivot, slowly forcing the air out of an anti-shock bladder and flips the striker down into the stab sensitive M41 detonator, at which point the mine explodes.

The air pressure delay mechanism effectively blocks detonation if the force on the pressure plate is of short duration, because air does not have enough time to leave the small anti-shock bladder. This has two direct applications, it allows the mine to be dropped from helicopter mine scattering systems, and it dramatically increases the mine's resistance to explosive-based mine clearance techniques. It can therefore be regarded as a blast resistant mine.

VS-50AR & VS-AR4 anti-handling devices:
The VS-50AR is an electronically fuzed version of the mine which contains an integral mercury tilt switch, that operates as an anti-handling device. The VS-50AR has a dummy pressure plate on top and its external appearance is very similar to the VS-50, which has obvious implications for demining personnel. The VS-50AR contains a reduced explosive charge, but which is still sufficient to blow the victim's hands off.

Additionally, Valsella manufactured a completely separate electronic anti-handling device known as the VS-AR4. This was a tilt-operated device, specifically designed to be fitted to any of the following Valsella products: the VS-50 (standard version, not the VS-50AR) and Valmara 69 anti-personnel mines, as well as the VS-1.6 and VS-1.2 anti-tank mines. The VS-AR4 has a series of fuze adaptors which allow it to be screwed into the bottom of any of those mines. It has a 10-minute mechanical arming delay (started by removing a pin) followed by a 30-minute electronic arming delay. The power source are two 1.5 V batteries and the operational life is longer than a year.

Generally, the render safe procedure for VS-50 mines with anti-handling devices fitted is to detonate them in situ via a donor charge, or burn through the plastic casing using some form of special incendiary device.

Countries used in:
The mine has been encountered in Afghanistan, Angola, Ecuador, Iraq, Turkey, Kuwait, Lebanon, Peru, Rwanda, Sri Lanka, the Western Sahara and Zimbabwe.

Produced by
Italy
Iran
Egypt
Singapore [1]
Sweden

Specifications:
Weight: 185 g
Explosive content: 43 g of phlegmatized RDX (i.e. RDX and paraffin wax)
Diameter: 90 mm
Height: 45 mm
Operating pressure: 10 kg

Variants:
VS-50 EO3 - version fitted with an electronic anti-handling device.
SPM-1 - copy produced under licence in Singapore.
YM-IB - copy produced by Iran
T/79 - copy produced by Egypt

References:
Jane's Mines and Mine Clearance
VS-50 at ORDATA
VS-50AR with electronic anti-handling device at ORDATA
http://www.the-monitor.org/index.php/publications/display?url=lm/2004/singapore.html Landmine and Cluster Munition Monitor: Singapore

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  • 3D file format: STL
  • Publication date: 2018/09/20 at 16:59

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Creator

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I'm from the UK, I've been printing since Feb 2015, but I also Weld, Wood working, Gunsmith, Customize Motorcycles, Dive Master, Build buggies, Air soft, RC, Electronics, And have over 30 years experience in Tinkering.(love beer and still single lol)
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XYZ Printing Da Vinci 1.0.
Original Prusa i3 MK2s
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I have been collecting my work shop over the last 15 years and hopefully will be ready at the end of this year, Future interests, Mill and Lathe, Laser Cutter. upcoming projects: FLARE DRONE, ELECTRONIC FLASH GRENADE, SELF AIMING 40 mm Grenade Launcher, FAT-MAN CO2 Launcher, Slingshot Fishing Rod, Slingshot Rifle.
Please Note: These items are "NOT" part of any firearm and can't be changed into a firearm part. They're TOY items, UK LEGAL and VCRA compliant,
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