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Old 10-25-2009, 03:39 AM
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Question Gasoline Welding

Saw this mentioned, any chance of more information?
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  #2  
Old 10-25-2009, 09:00 PM
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I have heard of those torches but have never seen one.
This is the one I think.

http://www.petrogen.com/
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Old 10-25-2009, 11:10 PM
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My neighbor has a Petrogen auction find, but I don't think he's ever used it.
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Old 10-26-2009, 04:14 AM
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Thats pretty neat. Never seen one
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Old 10-26-2009, 10:47 AM
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I have heard that they are pricey to by new.
I also have never talked to anyone who has used one.
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Old 10-26-2009, 09:56 PM
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Quote:
Originally Posted by Barn Owl View Post
I have heard that they are pricey to by new.
I also have never talked to anyone who has used one.
I'm all ears. I"ve been scrapping some heavy machinery and until now
I"ve been successful and pedaling the pieces that I couldn't cut with
my plasma cutter (more than 1" thick) in chunks, but lately my buyer
has started wanted to cut the price severely for the 'oversize' heavy
things so I'm looking for a cheaper way to break stuff 1" to 3" thick than
using propane/OXY.

the gas isn't cheaper than propane---but don't know how the OXY usage
is, or the cost. I know they work however. My brother worked in scrapping a gold mine some years ago, and they had one that would cut 12" shafting...
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Old 10-26-2009, 11:02 PM
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Quote:
Originally Posted by Rvannatta View Post
I'm all ears. I"ve been scrapping some heavy machinery and until now
I"ve been successful and pedaling the pieces that I couldn't cut with
my plasma cutter (more than 1" thick) in chunks, but lately my buyer
has started wanted to cut the price severely for the 'oversize' heavy
things so I'm looking for a cheaper way to break stuff 1" to 3" thick than
using propane/OXY.

the gas isn't cheaper than propane---but don't know how the OXY usage
is, or the cost. I know they work however. My brother worked in scrapping a gold mine some years ago, and they had one that would cut 12" shafting...
OXY cost is the same as Acetylene according to the Petrogen website, OXY cost is 30% higher with propane according to the Petrogen website.

I found the info and more including videos on the Petrogen, you should read the entire site, it is very interesting.
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Old 10-27-2009, 01:27 AM
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Quote:
Originally Posted by Harvuskong View Post
OXY cost is the same as Acetylene according to the Petrogen website, OXY cost is 30% higher with propane according to the Petrogen website.

I found the info and more including videos on the Petrogen, you should read the entire site, it is very interesting.
Logically, I'm not surprised at those numbers. Propane is slower on the preheat so you have the fire going longer---therefore using oxy that wouldn't be used if the preheat were quicker......

Also, if I correctly understand how the cutting takes place---you are flooding the hot metal with OXY triggering an oxidation process---sort of accelerated rusting which takes about so much OXY to accomplish, while the actual source of the heat (though necessary) is irrelevant.
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Old 10-27-2009, 03:45 AM
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Sooooooo.....Who's gonna be first on the block?
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  #10  
Old 10-27-2009, 04:06 AM
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Cool

Have to cut some railway track so was wondering
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