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Other Completed Deminer Protection and Tools Projects
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Rigid Marking Foam.
Rigid Marking Foam is a tool for deminers to mark, extract, and
in some cases, neutralize a mine. This polyurethane substance is dispensed
around a mine, encapsulating it and forming a hard, environmentally safe
shell. In some instances this neutralizes the mine fuse to prevent accidental
activation. A rope may be placed within the hardening foam, thus permitting
the mine to be extracted from a distance. This item is not yet fully
tested against tripwire-fused mines. It is not intended for use against
AT mines or for underwater use. These kits are classified as hazardous
material.
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Blast Fragment Container. The Blast
Fragment Container was developed to contain fragments from a mine
blast and vent blast forces upward and away from high value assets that
may be nearby. Operators place the container over the mine and explosive
charge and follow normal demolition procedures. The containers are made
of dry rolled S-2 glass and 100% vinyl ester resin. They are 50.8 cm
high and 61 cm in diameter, and weigh approximately 27 kg. Additional
protection may be added by sliding a thin outer layer tube over the
original container. These tubes are 50.8 cm high, 66 cm in diameter
and weigh approximately 11.8 kilograms. In tests, the Blast Fragment
Container survived the blast and fragmentation effects from selected
mines and 0.46 kg of C-4 explosive. Containers with additional outer
shells can be used up to five times against fragmentation mines, and
up to ten times on smaller AP mines, depending on the demolition charge.
This device is only usable against AP mines and has not been
tested against other UXO. Heavy vegetation may interfere with
the placement of the container.
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Air Spade. The Air
Spade comprises a commercial air compressor, a gasoline or diesel
engine, and an air nozzle that creates a specially focused jet of air
propelled at Mach 1.5. Its objective is to provide a safe standoff capability
to rapidly excavate AP and AT mines, doing so at a faster rate than
any other current method. The air spade is simple to operate and transport.
It is not intended for use in heavily vegetated areas, in areas with
motion sensitive fused mines, and may prove difficult to handle in severe
terrains. Prototypes have been deployed to Afghanistan and Cambodia.
One unit has been purchased for Angola and four for Ecuador.
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Universal Power Manager.
The Universal Power Manager (UPM) was designed to help deminers
determine battery status in the field and reduce the logistical burden
of battery replacement. The UPM is a rugged rechargeable power
supply capable of operation in harsh environments and is intended to
replace disposable batteries. The UPM can convert input voltages
from standard and poorly regulated AC, DC, and solar panels. It can
also estimate the remaining life of disposable batteries. The UPM
automatically handles unregulated inputs of 3 to 30 V DC, including
solar cells and 100-240 V AC at 50-60 Hz. The UPM can power
small devices like walkie-talkies and cell phones from a variety of
input sources for emergency situations. It cannot recharge alkaline
or other non-rechargeable batteries and has a 20-watt maximum output.
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Humanitarian Demining
Developmental Technologies 2000 - 2001 |