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BattleMechs range in height from 7 to 17 meters (23 to 50+ feet) and mass from 20 to 100 tonnes (22 to 110 short tons) in five-ton intervals, with some capable of ground speeds in excess of 150 km/h (90 mph). Mechs have a torso that can rotate to either side independently from the legs, but few can do a complete 360 twist. Their power is drawn from fusion reactors and are best suited for ground combat, although they are also capable of limited performance underwater and in outer space.
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