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Published on Dec 8, 2008
Jumping can be a very efficient mode of locomotion for small robots to overcome large obstacles and travel in natural, rough terrain. We present the development and characterization of a novel 5cm, 7g jumping robot. It can jump obstacles more than 27 times its own size and outperforms existing jumping robots by one order of magnitude with respect to jump height per weight and jump height per size. It employs elastic elements in a four bar linkage leg system to allow for very powerful jumps and adjustment of the jumping force, take-off angle and force profile during the acceleration phase. This 5min video includes footage of jumping desert locusts, Computer Aided Design (CAD) animations, close ups of the jumps using high speed imaging at 1000fps and the robot moving in rough terrain.