this post was submitted on 05 Oct 2025
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Chapotraphouse
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I helped build something like this for a race car a few years ago. The commercial version is called a Cool Suit and uses a cooler full of ice water. We used a bunch of tubing sewn onto an old pillow case, and plumbing fittings from Ace Hardware, with a 12V bilge pump. It was pretty effective.
I kinda want to build a light-weight version so I can ride my bike when it's 100F outside.