Wow, check this out! We have always used CO2 for controlling wastegates, shifters and parachutes, but this is something I was gonna try several years ago but ended up shelving the idea. But I ran across it the other day, and figured I would throw it out there if anyone wanted to refine it and see if it got any real world results. You can see from the crude prototype, it got cold, very cold! This is something you can build on a very tight budget, at home!
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