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Summary The Cornell Ranger robot has walked 40.5 miles non-stop without a recharge.
This beats Ranger’s previous record of 14.3 miles, which itself topped Boston Dynamics Bigdog record of 12.8 miles without refueling. The robot averaged 1.3 MPH for over 307 laps around Cornells Barton Hall track. The total time was 30 hours, 49 minutes, and 2 seconds. Ranger has six small onboard computers executing about 10,000 lines of computer code. The programmes run in a repeating loop every 1/500th of a second. The robot also has dozens of electrical and mechanical sensors. The electronics used 4.7 watts.
