If you puke, it's (probably) not intended, but puking is a full-time job for this little guy. Designed by roboticists from the Japan Aerospace Exploration Agency of the University of Chuo, this bot not only seals off white, foamy rocket fuel, but is also responsible for blending the final product it leaves.
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This bot, as explained by IEEE is intended to describe the movement of a gut for the purpose of carefully mixing the various constituents – an oxidizer, high-energy fuel and a binder ̵
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Put into production, the mixing system would probably be a long, closed chain of such robots that pumped the mixture back and forth. How many exactly depends on the application. According to NASA, solid rockets for the Space Shuttle could contain up to a million pounds of fuel. The upcoming and much delayed SLS would also use fantastically large amounts of solid fuels, considering their 17-storey booster can burn six tons of material per second.
Whether it's the future of mixing solid fuel rockets or not, these bots are definitely a smart idea. And though it is not a crucial detail, they are also so adorable to look at.
Source: IEEE Spectrum