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Guinness nitrosurge teardown - with schematic

A new twist on the original ultrasonic plate that was used to "surge" the classic Guinness drink to liberate the nitrogen bubbles used to give it it's velvety texture. The previous version used an ultrasonic disk with a layer of water that you placed the can on and "surged" it before pouring. Guinness uses nitrogen instead of carbon dioxide for its fizz, since the nitrogen bubbles are a lot smaller and give it a distinct creamy texture when you drink it. With this version the surger is a device that clips on the top of a can and causes nucleation of the nitrogen in a controlled number and length of surges as the drink is poured. The result looks just like a pint of Guinness poured in a pub. If you look for reviews from Guinness experts you will see the difficulty they have differentiating between a pub poured and surger poured drink. Things worthy of note. The can has to be held at a suitable angle as shown at the start of this video, to ensure good connection with the cavitation zone and avoid air-bloop resulting in bigger bubbles. It's worth looking at the video showing the inventor of the unit showing it's correct use:-    • How to get the PERFECT pour every tim...   There is also a pub version that mounts on the bar and semi automates the process, allowing the Guinness to be stored in cans for ultimate freshness. It's a nice solid design. The ultrasonic atomiser is more robust than I expected, and the circuitry is logical and quite rugged. If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- http://www.bigclive.com/coffee.htm This also keeps the channel independent of YouTube's algorithm quirks, allowing it to be a bit more dangerous and naughty. #ElectronicsCreators