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I recently thought of this reuse idea after discarding numerous spent propane cylinders. I recycle a lot of metals instead of throwing in the landfill but the recycling plant will not take these for obvious reasons.
The containers are quick and easy to make and offer lots of different uses such as camp stoves, speaker enclosures, storing items, one more thing to put LED's in, etc.......
Disclaimer!
Make extremely sure propane bottle is completely empty before cutting! Once bottle is empty it still has enough residual to cause a potential explosion hazard. Make sure bottle is at room temp, depress valve to ensure there is no pressure. Then puncture a hole and place bottle as if you were draining liquid out, the residual will drain because propane is heavier then air.
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Signing UpStep 1Gather tools and materals you will need
First thing is first, you will need these few items:
Small LP bottle with plastic base
File
Abrasive pad
Awl or sharp punch
Hammer
Hacksaw
Small LP bottle with plastic base
File
Abrasive pad
Awl or sharp punch
Hammer
Hacksaw
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You fill them from a 20# or larger tank. I'm sure there will be warnings about safety concerns, but when refilling in this capacity, your larger tank won't refill these to the same pressurization as the original 1 lb tank held, so you are probably only going to encounter a leaky valve after filling as the worst case. If you leave the tank screwed onto an appliance with a valve, you can shut off the leak.
you know when you fill your bike tire with to much air, and you press that little metal piece under the cap. that is a schrader valve. and yes as Vadim said, a common way of making sure all the gas is out is by filling the container with water, otherwise big boom could be big ouch.
But nice.