The M16 mine
is a U.S. made bounding anti-personnel mine. It is often
referred to as a "Bouncing Betty" or "Jumping Jack". It
is a development of the World War II era German S-mine
and has similar performance. The mine consists of a cast
iron body in a thin steel sleeve. A central fuse well on
the top of the mine is normally fitted with a pronged
M605 pressure and tilt fuse. Sufficient pressure on the
prongs or tension on an attached tripwire, causes the
release of a striker. The freed striker is forced into a
percussion cap which ignites a short pyrotechnic delay.
The purpose of this delay is to allow the victim to move
off the top of the mine, to prevent its upward movement
from being blocked. Once the delay has burned through, a
4.5 gram black powder charge is ignited, which launches
the inner iron body of the mine up into the air (leaving
behind the steel outer sleeve). The charge also ignites
a second pair of pyrotechnic delays.
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