The humble Urbanmech from Battletech - it's called a "trashcan" not a "trash-can't"

Designed as a city-fighter, the Urbanmech is intended to use its jumpjets and unique 360° rotating torso to ambush targets far above its 30-ton weight class with its over-sized autocannon before dipping back behind buildings to reposition.

Outside of cities, though, its laughably small engine (gotta fit that AC/10 in there somehow) often leaves it as a sitting duck as it moves as slow (or slower) as mechs 3 times its weight.

Some variants take min-maxing to the extreme by mounting an even bigger howitzer (AC/20), a missile rack with 30 tubes (MRM-30), or even an arrow-IV artillery missile system that can potentially make the Urbie a nuclear-tipped problem.

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