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  1. So I've built a propane tank forge and put in two frosty T burners vertically. During the first tests I'm having issues with the burners burning efficiently and intermidently. Is this because of them just sucking in the heat and fire coming from the exit and entrance? Is it possible for me to put in a 90° and another pipe to make them an L shape to get the tops away from the heat or did I just mess up totally by putting them veritcal
  2. Hi everyone, Newbie here in Portland, Oregon. I just finished building my first forge and need some advice with tuning my Frosty T-burner. Here are the specs: Forge: Wayne Coe-style Freon forge, built exact to his instructions -- 1-2" Inswool, Kast-O-Lite refractory, Plistix Burner: Frosty T-burner, 3/4" nipple, 0.035 Tweco MIG contact tip, no flare (tried to build one into the refractory, but my guess is it's probably a little too wide) Other stuff: 1/4-turn ball valve at the burner, 3/8" propane hose, 0-30psi regulator The pics are taken with about 5psi
  3. Hi all.. I just made a two inch forced air burner.... I followed the plans of hans peot except that my gas comes into the tube slightly different ...... I have a 1/16 inch orifice.. .. all the metal tubes are two inch... I have a hair dry as a temporary air supply that blows warm air... I have welded rings that are three inch long at end of burner tube that are I had stainless steel wool at the top of the tube to aid the air gas mix.... the chamber is and I'm South African so it' in millimetres... . 300mm x 100mm x 70mm which I think is 210 cubic centimetres..... I run it at between 1psi
  4. Dari

    Gas furnace

    We made a horn from the half of a 50 l balloon and a 50 cm ceramic fiber lining. What other measures can be taken to improve the characteristics of the horn? Which burner design do you prefer? I also want to learn forging welding, but I don't know how to achieve high temperature and energy.to avoid overspending gas?
  5. Need some help troubleshooting. The burner I made is basically a carbon copy of this one here. I used a .035” welding tip, and from the brass I connected a 10ft propane hose rated for home use I believe, and from there I have a hose to connect to my 5 gallon propane tank. Is this a pressure issue? Is my regulator not giving enough propane or is this an air intake issue? It sputters and doesn’t roar like the others I’ve seen. IMG_0604.MOV IMG_0605.MOV
  6. Hello everyone, Though I still consider myself a novice when it concerns blacksmithing and bladesmithing, I have dabbled quite a bit in the craft. I have built and used two forges and forge burners in the past two years. Each getting increasingly more ambitious as my intrigue increased. However, this year I decided to take the plunge and purchase a professionally built, double burner propane forge. I really like the design of the forge, but it is the burners that are causing me an issue. I have meticulously tested my set up and retried my forge with one of my older bur
  7. I'm working on a small mod to Frosty's T-Burner. I had purchased a 3/4" T-Burner, but the nozzle was visibly out of alignment. Also, it seemed that the Venturi effect wasn't properly tuned (depth of mig tip), since the flame would blow itself out unless the air inlets were nearly entirely choked off, though maybe this was the nozzle alignment too. To solve these problems I'm thinking of running propane through a threaded pipe that screws into an adapter on a pipe cross (rather than a Tee). This should roughly center the nozzle, while also allowing a variable mig tip depth. This
  8. I am building a Propane tank gas forge and i am using T burners. I am going to be using 2 inches of ceramic wool and covering that in refractory. I am having trouble finding information on how far the pipe bracket for the burner should go into the forge. I am thinking it should just go to cover the wool and use a form for the refractory is this the way I should do it? Also I am worrying about the refractory falling from the top is this a risk or should it stay in place after hardened? Thanks.
  9. Hey all, I’ve built a gas cylinder foundry furnace and a burner. It works great for melting Aluminum, but I want to melt copper. I ran it for like an hour and a half. The copper got bright orange and shimmery and very soft, but didn’t quite melt. I feel like I was very close to melting temp and just need a few (hundred) more degrees. I’ve adjusted the color in my photo to more accurately show the color (though it was glowing brighter). What can I do to eek some more heat from my burner? I ran it up to 20 psi. My burner is using a .023 mig tip. The burner is 3/4 pipe. Should I use a mig tip
  10. I am having a very confusing issue. I have built my own forge and burners. I have 0.35 tips and a 0 - 40 psi regulator. My issue is that for some reason I can't get that jet like burn. It doesn't have that jet like sound or pressure. I am at my witts end and I don't know what else to do?
  11. Hello all, First post here to show some results of experimenting with the slip casting of aluminiumoxide (alumina). https://en.wikipedia.org/wiki/Slipcasting Got interested to make shapes with refractory oxides by the posts of MonkeyForge and Mellin although they were using zirconia and veegum/bentone and were forming the mass by hand. Zirconia is a little too expensive to mess around with so i went with alumina. Using a combination of digitalfire.com, wikipedia, google patents, google scholar I found a lot of info which I all read. But a lot of it was above what was achievable at ho
  12. 1/4" idea. Jet: mig tip fitted with .015 capillary tube and soldered into 1/4" elbow. Air chamber: coupling with 3 slots cut into every other side. Interior sanded smooth. Barrel: 1/4" pipe beveled on chamber side for fam flow. (the galvy will be soaked) Nozzle: ??? Currently have this stainless fitting I will try to tailer it to. Just a little experiment for a high power hand torch. Per Mikey's challenge, though not quite the same design.
  13. Hi i just got a devil forge the one with two burners and one door. I lit it for the first time and i had blue flames coming out of it i adjusted everything to try and stop the problem but i cant figure it out can anyone help me
  14. 20181229_093557.mp4 20181229_093659.mp4 I had my initial gas pressure too high and now I have a needle valve at the front of the line to reduce the pressure and its probably opened 1/3 -1/2 of the way open. My pressure guage should be here Monday. Then I have a second one at the burner to control the flame at the lowest burn without back burn its barely opened and then a full on burn its probably halfway open. I know I saw somewhere that when your forge gets to temperature the flame disappears which is what mine is doing but I also noticed a greenish flame coming out of the front w
  15. Greetings! I wanted to see if the experts on this forum might catch any red flags that may be causing combustion issues with my forge. I shot a quick video demonstrating the issue. The problem starts 3 mins, 10 secs in: I built this based mostly on the David Hammer Super C Forge and burner design (minus the side access slot). It has been running stable for months, but now after running for around 30 mins, the point of combustion shifts from the interior of the forge, to the end of the flair (about 1 inch inside the refractory). I get less time if I run it hotter. The burner
  16. Well here it is. First off I've never built a forge or anything like it before lol so be gentle! And a big thanks to Wayne coe for all the supplies and super fast shipping! I Ran out of propane shortly after this video so I've only had it running for a few mins. I dislike the air valve I used because it's hard to turn it but it will do for now. It's not 100% finished plan on adding some things ie shelf ect. Seems like it was burning well but in intrested in what the hoard has to say lol. For some reason most of my pics wont upload.
  17. I am going to go see about building a forced air burner, Using the design off of this burner I have here. I would like to know if anyone has done one like this before and the problems they ran into? If i build it exactly as shown will is work well and safely? Also for the flared end i was going to take the 1 1/4 and forge it into the flared fitting described here with a 1 1/2 opening. Thanks and merry smithing, Matthew
  18. Hello all, Wanted to share my first build with you guys so I can hopefully get it done in a good way the first time. I am still working on getting supplies together. I don't have a bunch of fab equipment, so I am trying to re-purpose this old stainless sink. I am looking to create a really basic forge so I can get to heating steel relatively quickly, both in the sense of a easy build, but also a build that is well insulated. One thing I am still thinking out is the angle of the burner. I know a 10/15 degree offset is recommended. I am going to try the Zoeller sidearm bu
  19. I am new at this and wanted to add forging capabilities to my metal shop so I decided to start small and work my way up from a soup can forge. Any and all recommendations are appreciated and if I am doing something wrong I always like to know. The soup can is lined with some kao-wool I got from a local pottery store, they did not stock any refractories, rigidizers, or products like plistix or itc 100 however the gentleman kindly advised me of a mix of fireclay with sodium silicate and water. My main concern was stopping the degradation of the kaowool which is evidently a heath problem.
  20. Note; this is being going to be used for a gasoline burner of my own hybrid design, reminiscent of the riel linear burner, and a coleman stove. (I've posted in the alternative gas-oil/gasoline forum on here about the details of that build.) The reason I'm attempting to build a ceramic burner nozzle is that the original burner nozzle from my gasoline burner oxidized away quite quickly in my foundry/forge, probably this was accelerated by the slightly oxidizing conditions it was originally being run at, and the burner design caused flame in the nozzle, this excessive heat destroyed the chea
  21. I found this youtube video on making a simple burner for a gas forge. I have made a burner to melt aluminum in a foundry before. With most burners (and the one I made) I find that they cost a lot to make or require a lot of up-keep. This one seems almost too simple. What do y'all think? I'm not looking for it to last my whole life but to just get started in gas forges. https://www.youtube.com/watch?time_continue=5&v=67rxU02fv6o (P.S. I would make quite a few modifications like an air flow regulator and such.) Your boi, Jacob
  22. Hello.... I have a few questions... I'm in the process of making a forced air burner.... my question is my gas comes in from the side at 90deg to the air pipe... I feel that it would be better if it came in from the same direction as the air does... I've attached a pic of my 1st attempt and then a pic of my next sort of plan..... someone said to me for forced air I should use 1 1/2 in piping for burner tube and air intake.... can anyone give some input... thanks Nic
  23. I recently picked up a new forge from a local knife maker to replace my old one. It's a peice of 10" pipe 24" long mounted vertically on 1" plate. He was using it as a salt pot to heat treat in before he built a new one and gave me this along with a Bag of 1" koa-wool insulation to reline it with. For a burner he was using a 2x1 swedge with tubing going through with a hole drilled in the tube. I was wondering whether that burner would have the right atmosphere for regular forging? He had no way to adjust it at all that I could see. Should I make a burner like that or would I be better off usin
  24. Hi all iv built a vanturi burner and it has a problem I think. it lights fine and runs fine (no sputtering) but when I open the air vent(Just a thumb screw to open and close the top)I can't open it any more then 3mm or it will blow out when I lowered the pressure to 2-3psi I could open it slightly more but then same results. Can anyone help me? I can't find anyone with this problem maybe it isn't a problem just a very small window of adjustability thanks for the help in advance. (Iv added a drawing of what all the dimensions are.) Sorry forgot to add my gas orifice was 0.6mm then I sw
  25. So I'm in the market to buy my first forge or make it from scratch. I own very few tools in general and I'm not the best handyman in the world either. I was originally going to buy a forge around 300-500 bucks. Everyone on the Reddit forum was saying to basically build my own and save some money. I'm looking to do pretty much a bit of everything eventually. I was thinking of going Propane because I thought it would be cheaper. It'll also be cleaner which is nice seeing as how I'll be in the driveway most of the time haha. Basically, I didn't know a good propane forge or burner to buy. Is
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