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Today I made a soda can candle. For some reason I can't get the candle out of the can so tomorrow I'm going to drill a small hole in the bottom of the can and blow the candle out. I've calculated with 100 PSI of pressure the force on the candle will be 508 pounds. If I'm not careful, the candle will come out of the can like a cannonball. Maybe I'll start with a lower pressure like 25 PSI. I didn't want to drill the can because I wanted to use it again. Maybe I can solder up the hole, of course I could always cut another soda can.