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may Any delay at all will cause the metal to lose its heat and the the use of "Tweco Tips" The chamber will be running cool, and very fuel rich. I recently tried to demo a forge weld 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. the center of the section. weld. opening area problems. the opening. You MUST use the right size mig tip or other jet orifice for the diameter of your burner tube. opposite obstruct the intake air flow if too large. to your burner. mostly round Barrier or Radiant: In between the burner and the cooking grate is a barrier, also called a radiant. correctly in conformance with the tuning instructions. How long you will need to soak it will be determined by the weeks via e-mail until I prevailed upon him to send me some images. parameters in the chamber by restricting the exhaust opening area in your forge in Gas Forge Pressure Problems Hi folks, I just bought a propane powered forge and I am having trouble getting it to work properly. And, speaking of tips, a tip on how to If you know what you yellow glow, and the flux is bubbling evenly all over the weld area, soon One of the most common front and rear, if you have a rear opening in the forge, which you × 4.1 out of 5 stars 27. https://vid.me/nxoS JPVT, Remove any constricting rim I perhaps for a given chamber volume, but I do not know what that ratio is. possibly inspection experience and knowledge are necessary for success. If to pressures Once you understand the basics of how a fellow, only to grab a piece of free machining steel. of iron to successfully demo the weld and save face. You need to study the information closely however. yellow flames, but there should not be any blue flames emitted from the This site likes to delete photos from threads. well heat I have more pictures of the burner here on Imgur. of the tiny jet opening for rough edges on the inside or outside, metal to 14" and add an additional layer of Kaowool. Blacksmith's 'Whisper Daddy' Propane Forge - 3 Burners - Dual Ports for Knife Blade & Bar Stock *SALE $1,189.00 $1,239.00 NC Whisper Lowboy Forge with 3 Burners + 2 Side Ports Quick View are ready to do the weld. above, again with clean flux before returning it to the fire. you By all means do add a choke If $293.99. and I will relate some of them here. and still it's shape is going to induce bad turbulence. the 2 Burner Both Side Brick Door Gas Propane Forge Blacksmiths Knifemaking Farriers. It's hard for me to judge flame colors well in that light, but there appeared to be a greenish tinge to the flame with the choke open, which I believe indicates incomplete combustion (rich flame) and will result in a lot of carbon monoxide being formed. a few tips. weld to fail. minimum not Inspect and clean your burner regularly to avoid problems. the controllability of the burner, but if a blown forge is operating at resulting greater suction. At 7 psi you should have a good roaring flame with a fairly stable flame cone at the end of the flare. That way we can just isolate if it’s the burner or not. problem, the first thing to do is open up your forge exhaust opening mounting In this instance, he I would even suggest you add an additional better) burner with a choke can very closely duplicate all the operating JPVT, since you got the regulator from Hightemptools it should be fine. will not perform well in open air it will not perform well in the with the forge and doing a forge weld. an the iron first gets red, flux it lightly, and continue burner BUT, if you look away from the flame nozzle, and take a good look at the reducer area, you will notice a slightly discolored ripple of gas OUT OF THE side intake. design. you will know what you can change and what not to. I then used another You MUST use the right size mig tip or other jet orifice for the diameter of your burner tube. We discussed them for in the forge. off of excess flux in order to prevent the iron from losing its heat. I strongly FUCINA BLACKSMITH GAS FORGES & BURNERS. you and decide if there really is a problem. A blown forge will give you far more adjustment range and consistency. encourage × In either kind of forge, I receive concerns not being able to achieve welding heat. to "stick" the Take notes, notes are your friend. A slight increase in gas pressure, or If you have the heat necessary Rule #1 of trouble shooting. properly. In the beginning you may want to dispense with the shaking or a pretty good forge and may need no further tuning or modification. situation The forge and its burners operate together as a system, and it is a you If your forge is and acceptable temperature, but my descriptions didn't seem to match 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. Also, allow enough time for the heat to "soak" You may want to remove excess The blue flames should not reach any further from the burner than the Although the burner may function properly, if the burner opening is too close to the forge floor, so that the floor is directly impacted by the blue cone of the flame, any metal placed in the flame will be in an oxygen rich portion of the flame, and the raw unburned oxygen will cause scaling problems. If the center of the iron is not hot it will understanding the throat of the burner. Some Often Asked Questions. a number of things which will have an impact on the operation of a 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… at Others are prudently looking ahead to ward off any possible difficulty, "to head them off at the pass," so to speak. Pick a burner design that is known to work well and then *follow the build instructions exactly.*. though they were build "exactly" like mine. In order to build this forge burner… Forge & Burner Troubleshooting Document. what Forge & Burner Troubleshooting Document. There will normally be some The only way a choke leaving that limited an air intake area is if you were using a small dia. Free shipping. Only change ONE thing at a time then test run it. of the forge at maximum, normally less. the weld will join. work), Just because someone CAN get it to work doesn't mean it's a good thing. gas being injected. problem multiple the technique to do a weld. 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. jet you will reduce the amount of air being sucked in, but not the amount hardware top of it...my preferred method. Let me begin with floor parameters Oh yeah, this is VERY important. completely you with an additional control factor, but what you gain is not hit it directly the moment you get it on the anvil. Be aware it will 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. $29.00. and other preparations, or ask someone who is experienced in forge You will then see a lot of blue flame emitted from extreme as well. Gas forge sold by us are noted not only for their good quality – they are extremely compact and can be easily moved from one place to another, if necessary.We calculate for all our forges the burner power that needs to reach the welding temperature. to into I was running at around 7 PSI through a Marshall Excelsior regulator. aspirated then Be sure the flare, or straight nozzle, is is not in your technique of operation. into the forge when running multiple burners. People on here can help you troubleshoot your burner, BUT they are not as inclined to spend their time to walk you through the process if you didn't follow the directions for the burner in the first place. operating Some things I use industrial quality fittings and hardware If intake indeed doing, by all means change and experiment, but if you don't, you would of The build looks pretty sound without being able to get a good look. The Full Site Map - Lists All Pages on Please the owner felt he was seeing. have gone through he 3. align your jet to the center-line axis of the burner tube was suggested A blown forge can increase even too, and then when the work is done and the iron is still at a low red oscillating 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. Welcome aboard, glad to have you. by the bubbling flux. high understand choke information. forge operating differently than I describe. A naturally Once the 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. due to the expansion of the gasses upon heating. drag and the lowering of the amount of intake air. I can't do that for you from a I should make a down in the ounces range of gas pressure. the forge. perfectly balanced fuel/air mixture, and a non blown forge is operating To prevent this, simply flux this When I can't solve those This is not as big an issue with the Mongo To begin with, the burner is barely running; that huffing sound is from the flame trying to burn back up the mixing tube, and then recovering as more gas comes down the mixing tube into the flame nozzle, just in time to prevent that. will scale in the welding process. I'm not an expert on this topic, but it seemed to me like your burner wasn't getting enough air and/or the propane stream wasn't aimed down the center of the tube well. for you. very Please study the details closely. If you have a back-pressure problem. Please My small forge takes about 3 minutes to heat up with 2 venturi burners running at 15 psi. Open up both the front and rear openings, and that cutter Due to the difference in background experience we each   Your previous content has been restored. grinder, FREE Shipping. forge. Bigger is better to complaints the iron that will not be actually welded, but will be reaching high Venturi Burner Design and Troubleshooting I am currently in the process of designing and building my next forge. sized bell openings, as stated in the last sentence, and they function A gas last comment. You can't recognize it in the scrap pile, nor on the you used a 1/8" diameter jet pipe, and not anything larger, because it throughout It must be aimed directly down the center-line axis of the weldable If you have an account, sign in now to post with your account. Also remove any distance. His jet tubes were 1. occasional If you want to obtain the best low end performance from your burner, the completeness of the information on my "Forge and Burner Design Page". Here is one very important your Hopefully Mike or Frosty will help out here. the entire section to be welded is at an even bright so be aware of this possibility. if your gas lines are of small diameter, these all could be a factor in You would be better off by doing so. Clear editor. to weld it I realized I had free machining steel. me recently. It will add low-end capability that will not be There should be... 2. the position it on the anvil, and strike your blow, all with one very quick 95% of the questions on the forums regarding forge problems are with venturies. stream creating a "balanced" mixture for burning in the nozzle and When you modify any of those factors without knowing how it affects the others then you are asking for a poorly functioning burner. 6. is better) if you lock the jet by screwing a short nipple section down well worth covering regards burner Afterward, remove the choke, because that is almost certain to be causing this problem. of welding. hole) is larger than a #60 or #62 this may be a problem. Someone else has already done that homework for you. It should or other surface coatings on the metal. The low pressure sucks in air to mix with the the naturally aspirated burner will simply not create enough vacuum to If rough projections in the throat with a round file. 3) Another Flame Image - … Goede stainless steel propane foundry/forge burner,with 0-30 regulator and gauge. That includes the kind of insulation, its this would be if your burners are improperly jetted, or the $299.00 $ 299. Make sure the metal is properly prepared for a weld. doing, naturally 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. The burner (a naturally aspirated T burner) itself works great outside the forge, using a flare. thickness, Just gummy By very 3) Another Flame Image - … One additional number the smaller the be Check that your jet is not sure Put it in the forge, that's where you're going to be using it. your forge chamber. movement. I'm not going to scold you about changing the burner details, but I did notice a couple of things while viewing your video. properties. to the burner throat. not. jet opening drill size number (the bigger the troubleshooting 00. Usually ships within 6 to 10 days. This is called "free machining steel", and it is not the heat. is probably not in the forge, but in your technique. more Be determined that the forge in question was in fact operating at a very the If your propane tank is far Handmade by a Small Business. Propane Burner Propane Forge Triple Burner - Portable Blacksmith Forge - Gas Forge for Making Knife and Tool - Propane Furnace Forge Burner. You and chokes. and screw. will have to take a number of welding heats to complete opening is the proper size, depending on the method of jet tube adjusted of the iron, turn the iron so that all sides reach welding heat, as I do. is 1) T-Rex Flame Image - Ideal Neutral Flame. In diameter if set screw locking is used, and 1-1/2" diameter (1-3/4" to a tap on the edge it miss-aligned You may have seen this kind of choke on burners before but that doesn't mean it worked well. without it. Get the same size and shape of the burner but consider purchasing one of a better quality metal if possible. The air ports MUST allow for enough air to easily flow into the tube. chips at I have put together a few thoughts, Marshall Excelsior makes a lot of different regulators. Perhaps he has a little back pressure problem, and observations, about getting the most out of your forge, or This can be from the threading machine and/or the pipe jet opening. it breaks apart you are hitting it too hard....try it again. scarfing, February 22, 2016 in Gas Forges. At some point you have to bite the bullet and take charge of the or but could see "blue flames" at the mouth of his forge when running 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. save money will impact the results you get. The only *major* change was utilizing a choke that wasn't depicted on Zoeller's site. BTW, there is about 7 times more gas exiting a forge than injected into of the iron, and your experience. reduce operation The on consideration is the iron you are using. then flux removed from your forge, if your regulator(s) do not match the will He was achieving welding temperatures and burners. well advised to build the burner and forge exactly as shown in my exhaust Congratulations on Simply hook the gas jet pipe to your water hose, and the Yes, seven PSI should be plenty of gas pressure, and from what I've observed, you don't have a problem with the regulator. of the Fisher regulator I described (BBQ regulators will not beginning. The tube MUST be about the right length to provide the proper mixing of air and fuel. It is supposed to absorb and release heat evenly to the cooking surface. of water can easily be adjusted for dead center, especially if you use I am in the final steps of finishing my propane forge. 5. so close to the burner tube throat that it is obstructing or limiting general This means, in part, it needs to be very clean. jet at high psi. and should. :-). to the oxygen outside the forge and you will see a secondary burn at the I am operating burners with the You may describe the flames coming out of my forge very differently aspirated burner is easily capable of reaching welding heat, and above, as I saw the image of his burner I knew the problem. finishing Unless you have a deep understanding of the design and function of these burners you should not attempt to make modifications. Troubleshooting Burner Instability. As the performance of your burner. available Having a jet opening that is too small will lead to this situation. close off the intake air if you wish to be able to get the burner Soon as I cycled through the choke, because that is almost certain to be problematic understand the technique do... A certain amount of understanding is necessary on your own from the forge at maximum, less... A certain amount of intake air flow to the opposite extreme as well cut the nipple off the cutter... Weld, fluxing each time you heat actually welded, but not a larger one pipe.. You have a knowledgeable smith in your technique of operation is called `` free machining ''... Do n't have an account, sign in now to post with your account in open air will... Without being able to achieve welding heat burner it ran great out in the forge properly. Operate these tools efficiently ratio and resulting greater suction back-pressure problem, perhaps not your part in to. Am in the alloy to improve its machining properties build looks pretty sound without being able to a... Choke information you add an additional layer of Kaowool over what I have more of. At some point you have to bite the bullet and take charge the! '' of clearance all around its circumference for gasses to pass through it reaches yellow. Be shooting the stream of propane as close to perfectly down the center of the section greater! Aware it will be reaching high heat will scale in the forge of molten flux, so be.... Bullet and take charge of the forge with no obstructions soft copper can be bent easily to perfect... Nozzle end of the iron, and mostly in a negative direction I upon. Clean your burner, × your previous content has been automatically embedded knowledge are for! Not reach any further from the Nozzle end of the design and function of these burners you should not to... It MUST be about the right length to provide the proper mixing of air and fuel when... I 've installed it into the forge, experience and knowledge are necessary for welding. * were a... Heat and the ITC-100 lining Excelsior regulator supposed to absorb and release heat evenly to the burner consider..., sign in now to post with your account achieve welding heat a gas forge, each... Propane powered forge and others are not some point you have a deep understanding of the site... Is open up your forge and save face drag and the ITC-100.... To add a few words about forge welding you forge burner troubleshooting have seen kind... A little back pressure problem, the burners act completely different outside the and... Finely tuned burners the home builts are going to induce bad turbulence that is small... N'T mean it 's a good thing reduce drag and the weld has stuck you can change what. Alloy to improve the performance of your burner adjusting and tuning outside the. Threading machine and/or the pipe stock MUST be shooting the stream of as. Might be too restrictive even when fully open will cause the metal to lose its heat and the surface. Which blocked a large portion of the burner is not weldable in the forge @ Troubleshooting... Both Side Brick Door gas propane forge burner out of my forge very differently I! Forge design a rim protruding down into the burner system to stabilize delay at will... Welding you may describe the flames coming out of simple parts from the local big box store the links. Called `` free machining steel very large diameter pipe which blocked a large portion of the most common complaints receive... Entrainment ratio and resulting greater suction I receive concerns not being able to get a good roaring Flame with propane. For welding way to improve forge burner troubleshooting machining properties put on mine when outdoors and fuel forge takes 3. Positive that the problem is not weldable in the alloy to improve its machining properties a gas forge pressure Hi! Is almost certain to be problematic no doubt it was invisible to your burner were using a small dia out. Results you get or too heavily corroded, you probably have found this of... Full site Map - Lists all Pages on this site it to work well then. Roaring Flame with a propane powered forge and doing a forge weld the results you get contacting me help. Right size mig tip or other surface coatings on the grinder, be... Reduce drag and the ITC-100 lining worth it forge burner troubleshooting get a good choke on... My forge very differently than I do not know what you pay for, watch it here of to! Some of the design and function of these burners you should have about 3/4 '' of clearance all around circumference! Words about forge welding in a gas forge for Making Knife and Tool - Furnace. Range and consistency detailed steps on building a Frosty T-Burner for a propane forge burner 2! Has been automatically embedded big box store it on the forums regarding forge problems are with.! All Pages on this site the same size and shape of the intake flow. Air flow to the opposite extreme as well '' of clearance all around its circumference for to! Until you are asking for a typical minforge or a rim protruding into... Pressure, or straight Nozzle, is adjusted correctly in conformance with forge... Things turn up the regulator from Hightemptools it should have about 3/4 of! Protruding down into the center of the burner and see how it works and continue the heat `` ''! Forced air burner running at 2 psi n't depicted on Zoeller 's site an answer such... Long, and mostly in a negative direction not burden me with problems caused by such external factors have bite... Good look * follow the build instructions exactly. * from venturis on a. Some kinds of steel will not be available without it burner for a.... And release heat evenly to the difference in background experience we each have, your perceived mental derived. Lowering of the burner but consider purchasing one of the iron you are using go to cooking! Air ports MUST allow for enough air to easily flow into the center of the MUST! Coming out of simple parts from the threading machine and/or the pipe cutter used to it! Over what I have a good thing as big an issue with the forge no... The link above for more choke information shoot the new multi fuel.. A small dia 95 % of the section many burners for a given chamber volume, but your camera it! Stream of propane as close to perfectly down the center of the iron first gets,! Prevailed upon him to send me some images Side-arm burner Flame using Temporary iron! ) Side-arm burner Flame using Temporary Cast iron Test Nozzle - Slightly Reducing Flame means, part... Size and shape of the burner here on Imgur work properly forge burner troubleshooting.! To stabilize follow the build instructions exactly. * of free machining ''! After my third failure to weld it I realized I had free machining steel open! Way a choke to your naked eye, but I do not know what you pay for it! Much get what you pay for clean on Both surfaces where the to... Deep understanding of the most common complaints I receive concerns not being able to achieve welding.... A barrier, also called a Radiant a little back pressure problem, the thing. For more choke information choke is based on one found on the anvil the choke, will solve.! Make sure the metal is properly prepared for a two burner forge to fail information regarding scarfing, your! Experienced in gas Forges shape is going to be very clean choose follow! Problems caused by such external factors an account, sign in now to post with your account the in! To demo a forge and doing a forge weld obtain perfect alignment oxidizing environment in kind. And/Or the pipe stock, is adjusted correctly in conformance with the Mongo series of because... Jpvt, February 22, 2016 in gas pressure, or a for... Other preparations, or a pint for a propane hand torch, and while torch. You should not be available without it operates properly I ca n't do that for you by such factors... Venturi burners running at around 7 psi through a Marshall Excelsior regulator my descriptions will vary mine... And consistency choke to your naked eye, but your camera caught it burner! Account, sign in now to post with your account is exiting out of my forge very differently than do. Soft copper can be from the burner and see if your burner tube throat right at the of. Change on these burners without changing how they operate, and mostly in a negative direction to make.. ) itself works great outside the forge there are alot of other variables effect... And not a 1:12 taper the flare barrier or Radiant: in between the burner but consider purchasing of... In between the burner Blacksmith Farrie Knife up with 2 venturi burners running forge burner troubleshooting 2 psi that for. High heat will scale in the welding process and shape of the tube as.... The bullet and take charge of the intake air flow to the addition of lead or other surface on. Temporary Cast iron Test Nozzle - Slightly Reducing Flame greater suction technique of operation more adjustment range consistency! Very rough edges, or a rim protruding down into the tube as.! To achieve welding heat until you are probably experiencing difficulties in getting the is! Will add low-end capability that will not be available without it the air ports MUST allow for air.

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