Handle is a research robot that stands 6.5 ft tall (about 2 meters), travels at 9 mph (about 14.5 kmh) and jumps 4 feet vertically (about 1.2 m). It uses electric power to operate both electric and hydraulic actuators, with a range of about 15 miles (about 24 km) on one battery charge. Handle uses many of the same dynamics, balance and mobile manipulation principles found in the quadruped and biped robots built by Boston Dynamics, but with only about 10 actuated joints, it is significantly less complex. Wheels are efficient on flat surfaces while legs can go almost anywhere: by combining wheels and legs Handle can have the best of both worlds.
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