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Tips, Techniques, and Questions -- Technical questions or tips |
2012-09-07, 12:10am
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Member
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Join Date: Sep 06, 2012
Location: In the past.
Posts: 31
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Yet another oxy question from a new member...
Aloha Amigos!
Cowboy here, and I've got a question about tanked oxygen. I actually have another query regarding propane as well and it is actually the same question...
How long does it last for you, and what kind of torch are you running?
I'll be using an oxygen K-Tank, and I'll start with a 20lb propane cylinder. My torch is the Nortel Midrange. Any estimates on the hours I might see come from those two tanks? Thanks for the help and sorry for asking an old question!
Cowboy
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2012-09-07, 3:07am
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Now part of the Dark Side
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Join Date: Jul 02, 2010
Location: North Central PA
Posts: 966
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This is just a guess, depending on how big your flame is and it's chemistry. Oxy about 15-20 hours, more or less. Propane, several hundred hours. I run a Bethlehem Bravo and I get about 8-16 hours on a 120 CuFt oxy tank. Propane I don't worry about, I use way more heating my studio than I use to melt glass.
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Roy
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Unless it is glowing and drippy, hot glass looks like cold glass.
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2012-09-07, 9:40am
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Curmudgeon Engineering
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Join Date: Feb 15, 2006
Location: Near Seattle, WA
Posts: 1,723
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It all depends.... yeah, I know that's not a real answer.
If you check the mfg specs they will or should tell you how much oxy it uses but they are usually telling you the use at max flame settings. Your working style and what pieces you make will vary from that considerably.
I run a Kabuki with the center fire on oxycons. I have a 'K' tank on the outer 2 rings. I almost never run the outer most ring. I use the center ring about 20% of the time making marbles. I often get a month or more out of a 'K' tank. When I had my open studio here I ran the Kabuki and a Baracuda pretty steady on tanks only for about 4 hours and my house guest and I worked several sessions of about 3 hours each and I used about 80% of one "k" tank. As they say "your mileage will vary".
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2012-09-08, 10:10pm
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Retired to the flame
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Join Date: Jan 05, 2006
Location: Central Illinois
Posts: 248
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I run a Red Max, it eats a K tank in 6 hrs or less.
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Working with a Red Rocket,Red Max,Natty hand torch-- and tanked oxy from a Homefill system
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2012-09-09, 3:31am
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Senior Member
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Join Date: Mar 14, 2012
Location: Bennington, VT
Posts: 1,776
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my midrange/premix killed a k tank in one good day of torching. granted i made 5 largeish marbles and a bunch of pipes, but still i thought that was fast.
i get about a week out of a T tank. for this reason i'm getting a homefill.
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2012-09-09, 8:33am
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Senior Member
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Join Date: Jul 20, 2010
Location: Indianapolis, IN
Posts: 150
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I had similar questions as I moved from 3 M-15's to a K tank.
Setup
Torch: Bravo
Tank: K size
I refill it using an M15 and two Homefill units. So I gauge my oxy consumption in terms of lbs of oxy per hour.
When using just the inner flame ~ 50 lbs/hr. When working on larger pieces (marbles, etc) 100-125 lbs/hr.
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2012-09-10, 5:15am
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Senior Member
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Join Date: Mar 14, 2012
Location: Bennington, VT
Posts: 1,776
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yup i'm trying to buy a homefill right now. i've got to sell one of my bicycles first though.
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