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Thread: Building and Running Gas Forges
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21st Feb 2013, 03:14 PM #1Member
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Building and Running Gas Forges
As a few people on here know, building and running gas forges is a bit of a passion of mine, I have made a few videos on the subject that a few may find of use or interest. If you ever want help with your gas forge by all means ask I am only too happy to help.
Gas equipment is my day job...
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21st Feb 2013, 04:17 PM #2Member: Blue and white apron brigade
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Thanks for the video - I'm going to be doing some blacksmith courses in April so am interested in pursuing this,
Is there a way to buy just enough rock wool to do one furnace without buying a whole box of it?
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21st Feb 2013, 07:24 PM #3Member
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Hi Bob,
Great to hear you are doing some blacksmithing courses, I did a few myself some time back and it really got me started.
There are ways to get partial boxes of wool and I can maybe help. Basically put you in touch with other blokes building forges so you can buy together. I better send a PM I don't know the rules here yet and I want to make a good impression
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27th Mar 2013, 10:50 AM #4Member: Blue and white apron brigade
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I finally got a whole bunch of stuff together and test fired a natural-gas blown burner and after a bit of mucking about I was pleased to see I could generate a nice blue cone even though it was in the open air and it was a bit breezy
I also managed to score a small propane gas tank (~18" high) which I filled up with water multiple times and then cut the end of as per Corin's video. I will be working on this over easter. I'll post some pics when I have something other than a pile of tubing to show for it.
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17th Dec 2015, 08:16 PM #5Member
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19th Dec 2015, 11:50 AM #6
Do you know if Kiln tiles are suitable to use as a floor?
I picked up some and the look like 20mm marble tiles. My plan was to double it up and get a 40mm floor, which could be swapped out for a 40mm fire brick if needed. The kiln tiles are smooth and non porous by comparison to the orange fire bricks.
My gas forge is finally getting a start at being built.…..Live a Quiet Life & Work with your Hands
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19th Dec 2015, 04:03 PM #7Member
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16th Feb 2016, 11:05 PM #8New Member
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Gday Corin, I can get a hold of some castable refractory and was thinking of using that instead of the rockwool in a forge the same as in your videos. How thick a layer would you run in one of those forges, still 2 inch?
Thanks in advance.
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17th Feb 2016, 07:29 AM #9Senior Member
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Hi Match_1,
The way I understand it, castable is a great refractory- however it will soak up heat for hours before it reflects (radiates) back into the chamber and onto your job. Ceramic blanket reflects pretty well straight away, thus heating your job straight away.
I had a hard time trying to convince this to one of our men's shed high achievers regarding his casting furnace. Built it with 5" thick was in castable and the chamber didn't get hot enough to superheat bronze; add a layer of kaowool and fixed! The way it was going, it would have taken a day to heat the castable enough for a melt.
I plan to use castable for door panels and of course it is great for a hard wearing floor.
hope this helps,
AndrewOC'Waratah' spring hammer by Hands & Scott c.1911- 20, 'Duffy, Todd & Williams' spring hammer c.1920, Premo lathe- 1953, Premo filing machine.
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19th Feb 2016, 10:07 AM #10Member
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19th Feb 2016, 01:43 PM #11New Member
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Thanks guys, I'll go for a rockwool instead!