In the past few years, we have covered a whole host of wall climbing robots here. LEeCH is inspired by a leech. It has a flexible extensible body and two suction cups. It is capable of climbing with suction cups that are driven by vacuum pumps and tri-tube soft actuators with only 3 DC motors.
Must see robots & drones:
【公式】豊橋技術科学大学 Wall-climbing robot Inspired by a leech / ヒルの柔らか身体から発案した壁上りロボット
The above video shows this robot in action. More info is available here.
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