2 Liter bottle burst pressure
Wrapping in duct tape just makes it go at a higher pressure. It stops it stretching for a bit, then it's helpless.
Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety. -Benjamin Franklin
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Fnord
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First I'd like to agree with D hall and point out that trace amounts of whatever they cleaned the cylinder out with may end up in your drink. While it probably won't shorten your lifespan noticeably I doubt it will improve it either.
Second, if you fill up a bottle most of the way with water, there isn't going to be much stored energy available to damage your hands in the event of a failure. Figure 1 joule for every CC dead volume at 10 bar. Gloves and goggles are fine but at 75 psi the most chance you'll have of a bottle exploding is if your regulator fails.
Third, you can dissolve a lot of CO<sub>2</sub> in water. I think most soft drinks have perhaps 4.5 grams per liter(?) Obviously you'll want to experiment till it tastes right, but about 2 liters of gas to 1 liter of water would be a good starting point.
You may be better off just dropping some of those dry-ice turds in an open bottle of cold water. I've tried it and it works, but I don't know how strong you can get the carbonation this way.
Second, if you fill up a bottle most of the way with water, there isn't going to be much stored energy available to damage your hands in the event of a failure. Figure 1 joule for every CC dead volume at 10 bar. Gloves and goggles are fine but at 75 psi the most chance you'll have of a bottle exploding is if your regulator fails.
Third, you can dissolve a lot of CO<sub>2</sub> in water. I think most soft drinks have perhaps 4.5 grams per liter(?) Obviously you'll want to experiment till it tastes right, but about 2 liters of gas to 1 liter of water would be a good starting point.
You may be better off just dropping some of those dry-ice turds in an open bottle of cold water. I've tried it and it works, but I don't know how strong you can get the carbonation this way.
At a guess, very high. It's a pressure-dependent reaction, and I don't need to look at a phase diagram to know that solid CO2 begins to appreciably form at room temperature way beyond 75psig.Fnord wrote:You may be better off just dropping some of those dry-ice turds in an open bottle of cold water. I've tried it and it works, but I don't know how strong you can get the carbonation this way.