The cooling systems on high-performance PCs are often a large part of their visual appeal, but we’ve never seen anything like [DIY Perks]’ latest build: A massive bellow-cooled PC.
The system is derived from a silent bellow system built by [DIY Perks] in 2020. It uses a clever combination of hydraulics and neodymium magnets to smoothly reciprocate a large plate within a chamber. Instead of blowing the air straight into the room, it pushes it through a pair of wood ducts into a second chamber with PC components, and out through a water-cooling radiator. To prevent the hot air from being sucked back in as the bellow reciprocates, a row of check valves was added on each side of the PC chamber and at the external intakes. The sides of the bellow chamber and PC chamber are made of glass to allow a full view of the internal components.
The build was not without complications. While disassembling the old bellow, the acrylic tube in which the magnet reciprocates shattered. When a replacement rube arrived, [DIY Perks] discovered the magnet’s fit was very loose. He solved this by increasing the thickness of the magnet’s nickel coating with another run of electroplating. To achieve a uniform coating, he agitated the plating solution by suspending the magnet from a small speaker playing a sine-wave tone. The cooling performance is excellent, keeping the CPU and GPU at 60C or below, even while running them at full tilt.
The final product looks so good, we wouldn’t mind its massive size taking up space in our labs. This is true to form [DIY Perks], wh ..
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