  The 7 Most Needlessly Terrifying Pieces of Heavy Machinery  If
you never dreamed of driving a huge tank fitted with a giant
chainsaw while growing up, then congratulations on having been a
well-adjusted kid. As for the rest of us? Well, people like us
grew up and built these machines for real. That's why right this
moment, somebody somewhere is behind the wheel of ...  The Chain
Trencher, aka Chainsaw Tank  This looks like a battle tank used
to fight a Cyclops, or a giant chainsaw with tank treads (which
is exactly what you would use to fight a Cyclops). Either way,
we imagine it can push its way through gridlocked traffic in
spectacular fashion.  What It Is:  Actually, this one is exactly
what it looks like -- a giant goddamn chainsaw with wheels. The
chain trencher makes large gashes in the earth, usually used for
laying pipe (heh).  Also, there are giant man-portable
trenchers. The Warhammer guys totally called that one.  Vermeer,
the company that manufactures the trencher shown above, makes
models that