Let's Make Robots!

Boston Dynamics Sand Flea Robot

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Any idea how the jumping mechanism works? Just by pure spring tension?

In general the flip-disign reminds me of Automatika's Dragon Runner. Strange that they aparently did not file a patent on that. Or is BD just taking the risk?

The jumping is done by firing a piston from a cylinder filled with compressed CO2. If memory serves the little guy can hold ~25 jumps worth of CO2 in the reserve tank at a time.