[Jewelry making - Article 01212] - Re: [Orchid] Little Torch Oxygen Use

[Doug Harroun]

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    Milt, you're math sounds pretty close. I'm a glass blower, and I use
    a 10 gallon propane tank ($8 to fill) for every large Dewar flask of
    liquid oxygen (160L) ($100 per fill)  Mind you these are MUCH larger
    torches that I deal with. I use a smith little torch for fine detail
    work, and like any other gas/oxy torch, they will use, dollar for
    dollar, MUCH more oxygen than fuel. The more oxygen you buy at one
    time the cheaper you get it. an oxygen tank, 40-100 cu ft, will prob
    cost around US$100, and be under US$20 to fill at a welding supplier.
    and should last much longer than the over priced mini tanks. 

Hope that helps =)
-Doug in new Mexico. 

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