Life, Fermented

In my first blog post , I’ll go into how I constructed my own immersion chiller, which I have nicknamed the Hydra.  It requires no soldering and only basic tools.

The Hydra is different from other chillers in that it uses much thinner copper tubing, only 1/4 inch/ 0.64 cm diameter.  A thinner tube allows a much greater surface area to volume ratio of the coolant fluid, meaning the coolant will pull heat out much more efficiently.  The downside is that the resistance to flow is much higher in a thinner tube, and you simply can’t run as much coolant through.  I got around this my splitting my 50 ft (actually, 48 ft) of copper tubing into 3 separate parallel 16 ft/ 4.88 m sections.

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