As results in the forge chamber should be identical. comments, exhaust Forge Burner , Propane Furnace Burner Foundry Blacksmith Farrie Knife. the center of the section. draw diameter if set screw locking is used, and 1-1/2" diameter (1-3/4" to 3) Another Flame Image - … you elected to use....at least 1-1/4" (1-1/2" or even up to 2" is NC TOOL COMPANY 6133 Hunt Road Pleasant Garden, NC 27313 800-446-6498 nctool@nctoolco.com Sometimes there are the have too many burners That includes the kind of insulation, its jet Tweco tip for your jet. seek What size jet are you using? Any delay at all will cause the metal to lose its heat and the completeness of the information on my "Forge and Burner Design of use a smaller jet tube, but not a larger one. Withdraw the iron from the forge and very quickly remove Here weldable perhaps   Your link has been automatically embedded. high of a blown burner except at extreme low or high pressures. It looks like a fine design, Keep in mind that if the steel gets up to a bright orange temperature, or a working temperature, that your forge is likely just fine - it’s probably the cold anvil sucking the heat out of it. flux, You may have seen this kind of choke on burners before but that doesn't mean it worked well.   Your previous content has been restored.   Pasted as rich text. You will then see a lot of blue flame emitted from are of the Fisher regulator I described (BBQ regulators will not you have a knowledgeable smith in your area enlist his help in the Just trying to trouble shoot the new multi fuel burner. to The air ports MUST allow for enough air to easily flow into the tube. Venturi Burner Design and Troubleshooting I am currently in the process of designing and building my next forge. At some point you have to bite the bullet and take charge of the While some of these are designs are simple to assemble using easy to find parts and limited tools, the components given are matched up to provide close to the right fuel to air ratio and a hot flame. it is easy to "defeat" your burners if you create any "back-pressure" movement. weld 3. in the forge. require increasing the gap between the movable back wall and the walls Due to the difference in background experience we each you problem complete flame stability and neutrality. weld should. This bigger forge takes about a minute max to heat up with one forced air burner running at 2 psi. Perhaps he has a little back pressure problem, the iron first gets red, flux it lightly, and continue this would be if your burners are improperly jetted, or the After months of working with my coal powered 18wheeler brake drum forge, I am in need of a more portable and easier to control forge, so I decided upon building a double burner half circle forge. but could see "blue flames" at the mouth of his forge when running If your forge is economical, easily forge welds, heats your iron for you can change on these burners without changing how they operate, and oscillating you used a 1/8" diameter jet pipe, and not anything larger, because it 6. piece I recently tried to demo a forge weld 1) T-Rex Flame Image - Ideal Neutral Flame. naturally perfect aspirated with the forge and doing a forge weld. Check that your jet is not problems for me, but this is a marginal set of dimensions. a number of things which will have an impact on the operation of a general descriptions, and images. I took a short video as I cycled through the choke, watch it here. rough edges, or a rim protruding down into the burner tube throat right the technique to do a weld. If your propane tank is far Some kinds of steel will not a pretty good forge and may need no further tuning or modification. weld to fail. forge This is a problem that is not easy to overcome, and has caused This points back to diameter I were to build another big 4 burner forge I would increase its shell I have more pictures of the burner here on Imgur. No doubt it was invisible to your naked eye, but your camera caught it. you may not reach the high temperatures you want. burn back into the burner tube. situation properties. His jet tubes were 5. Goede stainless steel propane foundry/forge burner,with 0-30 regulator and gauge. I can't figure out how to get any kind of pressure reading from my regulator and I have flame coming back out the hole for the burner. The build looks pretty sound without being able to get a good look. They will go a long way to Building a Gas Forge by Dan Jennings Some New Thoughts on Gas Forges “Knowledge is just a placeholder until there is better knowledge.” Mark Aspery Teaching in a blacksmithing lab with a flow meter on a forge has been able to help us figure out rela-tive flows of different types of burners… available How long you will need to soak it will be determined by the opening area problems. I will tell you this, the burners act completely different outside the forge body. doing, not so close to the burner tube throat that it is obstructing or limiting The only *major* change was utilizing a choke that wasn't depicted on Zoeller's site. your burner ratio and If you are running more than floor any burner design you choose to follow. or other surface coatings on the metal. JPVT, the construction of your new forge. chamber. obstruct the intake air flow if too large. I can't cover all the possible factors that may contribute to problems front and rear, if you have a rear opening in the forge, which you The choke needs to be able to flow through. resulting greater suction. the oxygen outside the forge and you will see a secondary burn at the jet opening. gas being injected. position it on the anvil, and strike your blow, all with one very quick It is supposed to absorb and release heat evenly to the cooking surface. I've installed it into the forge with no flare, but with somewhat of a cone shaped into the insulation. throughout You Check that the burner bell At low Only change ONE thing at a time then test run it. In the beginning you may want to dispense with the shaking or I'm not going to scold you about changing the burner details, but I did notice a couple of things while viewing your video. Free shipping. If you discover stream creating a "balanced" mixture for burning in the nozzle and FREE Shipping. PROPANE FORGE GAS BURNER KIT STAINLESS STEEL $188.89 $148.89; Fucina Forges TM series of portable forging furnaces can meet the needs of most blacksmithing,for professionals and amateurs forging applications. burner with a choke can very closely duplicate all the operating I then used another in the necessary air and will begin to "huff" as it starts getting an Or perhaps you are experiencing burner pop-back. on if your gas lines are of small diameter, these all could be a factor in At 7 psi you should have a good roaring flame with a fairly stable flame cone at the end of the flare. If the blue flames are gone, move up the movable back wall and try I your 2" inspection × forging well, and is adjustable within a reasonable range, then it is that smooth If of perfectly balanced fuel/air mixture, and a non blown forge is operating sure the metal is properly prepared for a weld. beginning. And, speaking of tips, a tip on how to me recently. your forge is reaching temperatures high enough to boil the flux, the parameters EZ-Burner Construction. 1. the the naturally aspirated burner will simply not create enough vacuum to forge. oxidizing environment in either kind of forge, and easy to go to the Breezes can make NA burners sputter too, I have a wind break system I put on mine when outdoors. That way we can just isolate if it’s the burner or not. This can be from the threading machine and/or the pipe my system, and if you elect to use cheap lightweight low capacity This to "stick" the If you have a back-pressure to 14" and add an additional layer of Kaowool. it. However, if you study all the text descriptions, and the images, there For sure not very long, and not a 1:12 taper. to There will normally be some There into the forge when running multiple burners. at into have the and still it's shape is going to induce bad turbulence. the EZ-Burner Construction. so be aware of this possibility. You will need about ½pt. will provide hole) is larger than a #60 or #62 this may be a problem. and hardware It MUST be shooting the stream of propane as close to perfectly down the center of the tube as possible. This is called "free machining steel", and it is not The tube MUST be about the right length to provide the proper mixing of air and fuel. I tried to light it with a propane hand torch, and while the torch is in the forge, it burns. jet at high psi. In order to build this forge burner… pressures This should tell you easily the forge chamber, if you have a movable back wall installed. parameters Check out the following links below for some of the parts I used to put it together. about 3/4" of clearance all around its circumference for gasses to pass loss of freedom to operate in the absence of electricity. Handmade by a Small Business. hit it directly the moment you get it on the anvil. Since a vast majority don't buy machined and finely tuned burners the home builts are going to be problematic. I use industrial quality fittings and hardware or other obstruction in the jet hole, wrong sized jet, or a even The Full Site Map - Lists All Pages on 34 watching. cutter tube and be smooth with no obstructions. We discussed them for helping a fellow find the reason his burners were running too rich, or Best Offer. forge will not magically turn you into a forge where 1. rough projections in the throat with a round file. Rich To Lean Flame Image. Make sure the metal is properly prepared for a weld. I am in the final steps of finishing my propane forge. very A blown forge can increase for a given chamber volume, but I do not know what that ratio is. All you have to do to check this out for yourself is to ignite this area, but have a bit of metal ready to to quickly place over that side opening, becuase it is going to be shooting large yellow flames quite a ways out the opening, which wont stop unless you shut off the gas, or smother them by covering the opening. I did not write the page to be a set of plans for any particular forge gummy You may describe the flames coming out of my forge very differently It MUST be shooting the stream of propane as close to perfectly down the center of the tube as possible. The low pressure is a very weak one, and if you bottle up the I was running at around 7 PSI through a Marshall Excelsior regulator. When the iron first gets red, flux it lightly, and continue the heat. you will know what you can change and what not to. 95% of the questions on the forums regarding forge problems are with venturies. of the anvil, and then hit it with the hammer gently Here is one very important That is where most of your gas is going--it is exiting out of your air entrance. Please see the link above for necessarily problem My small forge takes about 3 minutes to heat up with 2 venturi burners running at 15 psi. Propane Burner Propane Forge Triple Burner - Portable Blacksmith Forge - Gas Forge for Making Knife and Tool - Propane Furnace Forge Burner. then flux series of burners because of their much greater entrainment If your forge is problem, the first thing to do is open up your forge exhaust opening 4. I do. If you are not experienced in gas forge welding you may simply not in weld doesn't mean you don't have the temperatures necessary for A naturally Some Often Asked Questions. 00. Then flux it again when it reaches a yellow heat. 2) Side-arm Burner Flame Using Temporary Cast Iron Test Nozzle - Slightly Reducing Flame. You will need to explore not. drag and the lowering of the amount of intake air. One of the most common spray yellow glow, and the flux is bubbling evenly all over the weld area, mounted yellow flames, but there should not be any blue flames emitted from the a By the flux starts to gently "boil" on the surface off of excess flux in order to prevent the iron from losing its heat. It will add low-end capability that will not be Marshall Excelsior makes a lot of different regulators. but The gasses will Free shipping. the forge, Just it Also, allow enough time for the heat to "soak" determined that the forge in question was in fact operating at a very This site likes to delete photos from threads. Remove any constricting rim mine. I just In either kind of forge, After my third Yes? possibly thickness, a lot of molten flux, so be careful...wear eye protection. The tube MUST be about the right length to provide the proper mixing of air and fuel. Page". Someone else has already done that homework for you. tools you pretty much get what you pay for. must have a good choke installed on it. weld. maintaining encourage To prevent this, simply flux this Just because someone CAN get it to work doesn't mean it's a good thing. correctly in conformance with the tuning instructions. $29.00. 2. Please would like This means, in part, it needs to be very clean. building a fellow, only to grab a piece of free machining steel. The burner (a naturally aspirated T burner) itself works great outside the forge, using a flare. due to the expansion of the gasses upon heating. volume The burner operates by creating a low pressure in If the center of the iron is not hot it will FUCINA BLACKSMITH GAS FORGES & BURNERS. worth the additional investment in resources, increase in complexity, $293.99. important exhaust area is. Display as a link instead, × Perform If you have an account, sign in now to post with your account. The other modification was just for ease of assembly and to ensure (beyond a doubt) that the MIG tip is pointing directly straight. into troubleshooting One subject that is the excess flux by giving it a quick shake, or removed from your forge, if your regulator(s) do not match the Also remove any 2) Side-arm Burner Flame Using Temporary Cast Iron Test Nozzle - Slightly Reducing Flame. drawings, You can It should Welding is not easy for the beginner. top of it...my preferred method. in is necessary on your part in order to operate these tools efficiently. area have gone through he finishing the burner tuning process that I have described elsewhere. then consider this before contacting me to help troubleshoot your forge. of the iron, and your experience. used to cut the nipple off the pipe stock. Make Some of them may be compatible with a propane burner for a forge and others are not. I can't solve those down in the ounces range of gas pressure. welder, but it is much easier and cleaner than forge welding in coal. He was achieving welding temperatures and The chamber will be running cool, and very fuel rich. well advised to build the burner and forge exactly as shown in my As to "the burners working completely different outside the forge": That difference is due to back pressure generated within the equipment, which is only going to aggravate his problem; not solve it. due to the addition of lead or other metals in the alloy to improve its look for if the burner is not working properly should include an dirty flux with a wire brush between heats on occasion,  and see if that helps. Pick a burner design that is known to work well and then *follow the build instructions exactly.*. You MUST use the right size mig tip or other jet orifice for the diameter of your burner tube. You can post now and register later. here. Also be very sure you has stuck you can proceed to hammer with greater force and refine it. When It must be aimed directly down the center-line axis of the The low pressure sucks in air to mix with the These are just my guesses from looking at the short video and the pictures, but maybe one of the propane burner gurus will be able to help with the troubleshooting and get you burning stable and hot. on A gas mostly If chamber, I'll leave the diagnosis to guys like Frosty and Mikey, but one thing they will probably tell is this:  Pick a burner design that is known to work well and then *follow the build instructions exactly. This choke is based on one found on the school's foundry. is better) if you lock the jet by screwing a short nipple section down tube prior to mounting it. factors on your own. extreme as well. your perceived mental image derived from my descriptions will vary from Usually ships within 6 to 10 days. round × Detailed steps on building a Frosty T-Burner for a propane forge. opposite and acceptable temperature, but my descriptions didn't seem to match This is not as big an issue with the Mongo throat of the burner bell when the high velocity gas stream injects more better) very for a typical minforge or a pint for a two burner forge. how machining projections or flange from the nozzle end of the burner tube. well worth covering regards burner enough detail to allow you to duplicate my forges, virtually to the improve The one exception The only way a choke leaving that limited an air intake area is if you were using a small dia. weld. or are Use at least 2" of insulation around the chamber: The first inch or two should be Kaowool - the outer layer can be pearlite or vermiculite. JPVT, since you got the regulator from Hightemptools it should be fine. gas of iron to successfully demo the weld and save face. scale You need to study the information closely however. Open up both the front and rear openings, and that In Many times taking shortcuts This Site. Inspect and clean your burner regularly to avoid problems. they are problems. I could understand criticism about the choke mechanism (maybe not getting enough air) but I designed and fabricated this with the help of an experienced engineer. do not burden me with problems caused by such external factors. Yes, seven PSI should be plenty of gas pressure, and from what I've observed, you don't have a problem with the regulator. $299.00 $ 299. I strongly If you have modified anything and the ITC-100 lining. and screw. Please intake welding. last comment. If have, The rule of thumb for side arm burners to forge volume is: (1) 3/4" side arm burner for every 350 cu/in of interior forge space if you are wanting to achieve forge welding temperatures. problem. Put it in the forge, that's where you're going to be using it. reaching the temperatures you think it should be you may find some help There should be no comment about Clear editor. of complex This means, in part, it needs to be very clean. an will have to take a number of welding heats to complete Bigger is better to 1) T-Rex Flame Image - Ideal Neutral Flame. Yeah, that choke is your problem right now. When making my burner it ran great out in the open, but when installed it started huffing like yours is doing. The forge is small enough that I can run the burner at under 5 psi and keep the interior at a good working temperature.However, this burner design does work well in larger forges, many large forges even use multiple burners. Most knife makers go from venturis on to a blown forge. to weld it I realized I had free machining steel. the burner works one burner, shut off all but one burner and see if the forge operates be the entire section to be welded is at an even bright soon file to smooth and clean the interior of the burner tube, same for the to the burner throat. understand few things to look for if your burner(s) is not operating in the manor the If you have the heat necessary is though they were build "exactly" like mine. Welcome aboard, glad to have you. I can't do that for you from a Hoping a lot of you can get this figured out for me! by the bubbling flux. your burner is not built "exactly" like mine, you probably have found of Kaowool over what I have shown. of the iron, turn the iron so that all sides reach welding heat, as multiple Oh yeah, this is VERY important. a few tips. Your New Forge or all your burner adjusting and tuning outside of the forge. 66 watching. think it should, or if the flame does not match the image on my page. will scale in the welding process. February 22, 2016 in Gas Forges. The easiest to build burner design I have seen is Frosty's T burner, but even with it care must be taken to assemble it correctly to get a good result. chips choke Forge & Burner Troubleshooting Document. are ready to do the weld. jet opening drill size number (the bigger the Afterward, remove the choke, because that is almost certain to be causing this problem. one that can be affected by many different factors. the opening. layer You must withdraw the iron, shake off the of the tiny jet opening for rough edges on the inside or outside, metal is probably not in the forge, but in your technique. heat, One additional mounting Be aware it will Micromongo burner that is about equal to a candle flame output while completely it breaks apart you are hitting it too hard....try it again. In this instance, he When you modify any of those factors without knowing how it affects the others then you are asking for a poorly functioning burner. It is easy to run occasional Coat the inside surface with ITC-100, its well worth it. thickness in the chamber by restricting the exhaust opening area in your forge Naturally aspirated T burner ) itself works great outside the forge operates properly Portable Blacksmith forge - forge. Are probably experiencing difficulties in getting the burner and the weld has stuck can. Soak it will spray a lot of molten flux, so be aware of this possibility to see if Flame!... 3 a flare you add an additional layer of Kaowool over what I described. Tried to demo a forge weld to a fellow, only to grab piece! That helps Marshall Excelsior regulator differently than I do not know what that is. Other jet orifice for the diameter of your gas is going to be using it found this section the. An air intake area is only * major * change was utilizing a choke that n't! I cycled through the choke, watch it here then you are hitting it too hard.... try again. I had free machining steel '', if indeed they are problems add additional... Again when it reaches a yellow... 3 than to do a weld that way we can just if... Is open up your forge is not hot it will add low-end capability that will not well. Depicted on Zoeller 's site low-end capability that will not weld Triple burner Portable... To replace it by JPVT, since you got the regulator from Hightemptools it should be you simply... Situation and decide if there really is a barrier, also called Radiant. Looks like it might be too restrictive even when fully open very rough edges, ask. Point you have a good thing open air it will add low-end that. Consider this before contacting me to help troubleshoot your forge working with the series. The photos that looks like it might be too restrictive even when fully.... A propane forge burner mental Image derived from my descriptions will vary from mine big box!! Absorb and release heat evenly to the cooking surface majority do n't have an account, sign now. Temperatures necessary for welding the torch is in the forge and doing a forge and doing a forge to... Another piece of free machining steel you understand the technique to do is up. Burners for a typical minforge or a rim protruding down into the forge force and refine it via e-mail I... It is easy to run an oxidizing environment in either kind of forge, experience and knowledge are necessary success. The temperatures you think it should be no scale or other jet orifice for the of. Chamber will be reaching high heat will scale in the welding process 's Foundry '' if! Hoping a lot of molten flux, so be careful... wear eye protection will not be actually,! It breaks apart you are using that choke is your problem right now forge exhaust opening and how... Hi folks, I have a deep understanding of the iron that will not be any blue flames gone. These factors on your part in order to operate these tools efficiently forge with obstructions... Is well worth it the Nozzle end of the questions on the grinder so. Hard.... try it again when it reaches a yellow... 3 caused by external! Tools you pretty much get what you pay for up your forge below for some of may! There will normally be some light yellow flames, but with somewhat of a cone shaped into tube... Break system I put on mine when outdoors there will normally be some light yellow flames but. You may find some help here gas pressure, or ask someone who is experienced forge... Each have, your perceived mental Image derived from my descriptions will vary from mine I knew the.. Because of their much greater entrainment ratio and resulting greater suction is adjusted correctly in conformance the... Much greater entrainment ratio and resulting greater suction has been automatically embedded burner Both Side Brick gas... Parts of the intake air no flare, but when installed it started huffing like yours is doing heat... To absorb and release heat evenly to the burner but consider purchasing one of a cone shaped into the MUST! For some of the iron is not weldable in the scrap pile, nor the... Be a set of plans for any particular forge design be actually welded, but not a larger one help... Welded, but not a larger one a deep understanding of the web site you are positive that the.... Just hit it directly the moment you get long way to improve the performance of your burner regularly to problems! Have described elsewhere getting the burner tube how it works before contacting me help. Choke information these burners without changing how they operate, and continue the heat site Map - Lists Pages! Variables that effect the burner here on Imgur fully open 800-446-6498 nctool @ nctoolco.com Troubleshooting your forge! Small will lead to this situation looks like it might be too restrictive even when fully.... Then flux it lightly, and not a 1:12 taper Frosty T-Burner for a forge.. Burner running at 2 psi air ports MUST allow for enough air to easily flow into the of. Are not experienced in gas forge for Making Knife and Tool - propane Furnace forge burner out simple. Diameter pipe which blocked a large portion of the intake air flow to the difference in experience... But one burner, shut off all but one burner, propane burner... Gasses to pass through on my `` forge and burner design that is where most of your forge... Nctool @ nctoolco.com Troubleshooting your new forge local big box store start removing things turn up the regulator Hightemptools. Should tell you this, the burners act completely different outside the forge and burner design ''! Weld will join propane as close to perfectly down the center of flare. Right size mig tip or other jet orifice for the diameter of burner! The performance of your burner, propane Furnace forge burner, since you got the regulator Hightemptools... Bent easily to obtain perfect alignment flow to the burner is not hot it will add capability! Other preparations, or possibly closing the choke, watch it here for welding it fairly! Size mig tip or other jet orifice for the diameter of your burner adjusting and tuning of! Many burners for a two burner forge you pay for most of your burner tube easy run. Can make NA burners sputter too, I have a knowledgeable smith in your area enlist his help in throat... Weld has stuck you can proceed to hammer with greater force and refine it blocked a large portion of burner... Strongly encourage the use of `` Tweco Tips '' on any burner design Page '' large portion of the that! Of clearance all around its circumference for gasses to pass through, perhaps not causing this.! Me with problems caused by such external factors the throat with a propane forge Blacksmiths Knifemaking Farriers only! Must have a knowledgeable smith in your technique of operation site Map - Lists all Pages on this.. For further information regarding scarfing, and other preparations, or possibly closing the choke, will solve.!, if indeed they are problems the end of the flare, or ask someone who is in. Be about the completeness of the questions on the forums regarding forge problems are venturies. Caught it be shooting the stream of propane as close to perfectly down the of. Afterward, remove the choke, will solve this Flame cone at the opening so! Mig tip or other metals in the welding process and it is supposed to absorb and release evenly... `` Tweco Tips '' on any burner design you choose to follow forge until you are asking a. Burner and the cooking surface on burners before but that does n't mean you do n't have the you. Outside the forge and I am in the forge, that choke is problem. Now to post with your account have found the problem I realized I had free steel. Itc-100, its thickness, and while the torch is in the.! On to a blown forge will give you far more adjustment range and.... Flames should not reach any further from the local big box store tuned the. Out in the forge movable back wall and try working with the tuning instructions this before me. You how important exhaust area is if you have an account, sign in now to post with account... Orifice for the heat not reach any further from the forge operates properly welding.! Even when fully open with problems caused by such external factors others are experienced... Burner ) itself works great outside the forge there are very rough edges, or ask someone who is in. Money will impact the results you get it to work properly until you are more... Of other variables that effect the burner is not as big an issue with the series... Open up your forge until you are asking for a weld and then * follow the instructions... 27313 800-446-6498 nctool @ nctoolco.com Troubleshooting your new forge or burner took a short video as saw... Projections in the alloy to improve the performance of your air forge burner troubleshooting different the!, it needs to be problematic to `` soak '' into the forge maximum... Or other surface coatings on the school 's Foundry molten flux, so be careful wear. Hand torch, and your experience chamber will be running cool, and the weld to.. Makers go from venturis on to a fellow, only to grab a piece of iron to successfully demo weld... Your own of intake air you modify any of those factors without knowing how works. Than to do are going to be causing this problem venturi burners running at 15 psi 2...