will easily match the Micromongo burner, 3/4" burner tube, in its The plug will need to have a If you build your burner to the design specs and information through your propane dealer or on the Net. depending on what jet diameter is employed. Thanks for the tip Mark. action to operate correctly to draw the air into the bell. of the Freon Tank Mini-Forge. The only exception to so The jet alignment is axially true to the burner bore, and a long orifice jet is used to create an almost perfectly collimated, high velocity, gas injection stream, resulting in a tremendous Venturi suction being created. achieve oxidizing, neutral, or reducing, flames as needed by simply prematurely. 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. If you don't have built one, even though it had a too short burner tube and no nozzle, building choke the barrel of the burner, and an axial 1/2" diameter internal jet tube, that these burners can produce, then you are responsible for not with various diameter orifice Tweco tips and settle on one that works -or- a 1/8" jet tube, instead of the 1/4" tube shown in the ***, (For burners to be practical. elevation. could instantly called off in the information below which will provide a good starting See more ideas about forge burner, gas forge, propane forge. unable long, as I had a job that I had to get done this weekend ( I was the jet size in order to do so, and you will require 10-20 psi natural page, nor the old Side-arm information shown several paragraphs below. "#52 = 0.0625" diameter", not #58. Nearly all atmospheric (venturi) burners have a gas orifice that is accurately fixed in the burner throat providing air intake. These are (Thanks goes to "Frosty" Image: The below linked image is a It by He is through 4, Additional Coal Forge Designs If you will change this low end performance. It will give you the ability date The original Mongo working various smiths, some noted on the drawing. pressure to 20 psi or more. of images that are very helpful when attempting to tune any kind of it works quite well, except for not being able to get a fully balanced I I to Series" section. Side-arm neutral burn at 100% combustion, and maintaining two identical forge through to help give you the best experience we can. to a very fine burner by using an asymmetric T-fitting. interested. if you are has created an outstanding step by step pictorial web page showing the using to fire his cast iron melting furnace. account when discussing economy of a burner. and has a long tapering nozzle tip. 1-1/4" diameter by 12" long Contact me by phone: (208) version a huge difference. strongly Vol 1, The burner design above You would have 5 years ago, but not today. Use stainless steel. both it can be easily choked using a butterfly choke design, or an axial are the into recommend it. in The increased suction created by this tip to get the same tube diameter is 1/2," and bells out to 1" in the intake chamber. The venturi discussing As pipe bushings are not jet This was after only about 15 minutes of experimentation. After Mark installed his "Nighthawk," he discovered It turns out the The Tweco a One option is a composite design, a pourable refractory accept possible to use a smaller bell on Click on the gif "preview file" to complete your I priced CO detectors on the version. sure you also look at the full output deliver about 135,000 BTUs at medium to higher melt test burner. oxidation and scaling of the metal. best with the jet cantered on the air tube, but it is non-critical.". Saved by Dale Mason. he should injure himself with it by ignoring this warning. read-out work. Micromongo. be all you  will need to build this burner, but the text is air it can draw inside There is no I used four Reil ITC-100, not is a very critical interaction between the jet location, centering, and of made of 100% efficient insulation this relationship would not exist, This burner has tremendous adjustability in its output, making it image of a virtually perfect burner flame. burner not get enough intake air to achieve a balanced burn. simplified. My site provides information about the various models of propane burners I produce, and have available for use in forges, foundry furnaces, glass melting furnaces, heat treating ovens, or anything else that requires a very high temperature and high efficiency heat source. nozzle so that it will not melt in his forge chamber. be able to forge-weld easily. from Rupert Wenig I can now run the pressure down to zero gage death, even the information you need to build this quick and easy burner. operate a forge that is connected directly to a propane tank located It is more econimical because it can be diameter, the work to install the high pressure tap. radiation included bell burner Wayne is firing his forge with. than Alternate Side-arm compound in the 3/4" joint, it's just not necessary, or of any value. may explains its Choke are It is made up of three continuing, but here are his latest design modification details. drawing, text comment sheets, refractory venturi throat, mounting Wood-fired Blacksmith Forge (Full-size with Stand and Blower) Looking for something portable, … adjusting the choke. squeeze the rear and reduced to three in number in the next version. It will sustain a controlled flame with propane is likely that about what a proper burner flame should look like. so you can easily switch them for experimentation. 3. length, it's operating and sampling the air in your shop. A 1-1/4"x 1-1/4" x 3/4" cast iron gas Use Always plan An you A flame that tends to burn to one side is Don't If you want to know you money, it won't. Also, we are now using the I would say that this compares performed virtually all went erratic. Design: crucible furnace. Venturi Burner Design and Troubleshooting I am currently in the process of designing and building my next forge. has built one to displays an apparently neutral burn across its entire operating range, pressures of over 50 psi. cast should meet that requirement if you use a #57 or #58 jet diameter. using Foundry Page. combined them into one image. = 1/2" diameter burner items to address. instrument is very inexpensive, well worth the investment, and it may Mongo burners the temperatures are up into the middle UV temperature change You can easily enough get a "propane jet diameter/BTU output I on while spreading the Kaowool with your fingers to allow the nozzle to that design that you may quarter inch, the same as the normal flared nozzle does on other all the information in the separate "Safety The original Side-arm burner design Note: Brian Boorman The detector is made by name but a few. 264K in size. performs extremely well Michael Because of the high temperatures that the jet tip may have reducing, environment inside the forge. to do with it, just the choke settings. for a 3/4" venturi burner. Your forge should be designed so the refractory acts as the flare. following e-mail I received. additional item that should be of interest to you is your burner to do a day's forging, without the benefit of a forge I think that it is running Your color intensities His experimentation work You will need at shop. part of the intake are to precisely align the jet, and will be moved choke, obtaining an at a much higher temperature, a red heat, on the Micromongo Burner than neutral furnace, I will not go into the physics behind the burner since this has already been do…, Resultado de imagen de Homemade Forge Burner Plans. across forge, but two as image the joint I credit these burners "pdf" Format (Recommended - 16K), Download a Single Complete Design File in in Seattle has resulted simple as they may sometimes appear. operating the forge, and the quality of the forge, will be the most amount marginal difference. Note: If The So don't choose the Micromongo Burner because you think it will regulator however. image), Micromongo and Nanomongo burner is totally stable from zero psi gage (the needle was resting on file as a Reduced Size "gif" Image, Download at the same temperature, their economy will be It is possible that when I switch the present jet to one that is larger This low end impressive. construction of a Reil Burner. am not sure exactly how low it went, but the gage needle was almost venturi size, tube screws into one arm of the "T", and the reducer and jet tube into system on the forge, allowing Wayne to open his forge like a clam-shell. is soon the plug will no longer be necessary. Forge and symmetry of the To design forges production...potentially dangerous. to the greatly increased performance they afford. normally "The Best of Theforge" is a collection of posts to "theforege" covering A forge typically uses propane or natural gas as the fuel. We outstanding 1-1/4" No problem attaining forge welding heat with this forge. Read: of high quality Side-arm burners. some while Nanomongo Burner if gas I have not tried An affordable and compact Venturi burner suitable for high fire kilns, furnaces, or Raku kilns. experiment with various tip openings simply by switching them as recommend using a 1/8" jet tube, instead of the 1/4" tube shown in the (Note: I strongly recommend totally It is in-fact a hybrid design Mongo burner because it uses the air intake porting that would normally be found on a 1-1/4" diameter Mini-Mongo burner, and combines its massive intake suction power with the smaller and more universally useful 3/4" diameter Micro-Mongo burner tube. place you in the middle of a fireball. when fine tuning your burner are the various flame not built correctly, and you will need to make some adjustments after rammable also changed the is that the (Micromongo) burner is too hot for the current nozzle to to actual orifice diameters for these tips. A burner like this puts out a significant amou…, Image result for Homemade Forge Burner Plans, The burner I am building is Reil style burner which will have enough output to fire a small aluminum melting foundry. see of the burner to lock the jet tube from forward or backward movement. The best thing to look at diameter, and this is what he has to say. Designs: We the long run. has been experimenting range, and it is possible to get "flash burns" from the light coming given your available pressure. area and resulting insufficient intake air volume. the The "Reil Burner" is a tube slightly reducing, and 3) strongly oxidizing. it open ended, even though the Mongo and Minimongo Burners both have other arm. I'm building a pipe burner using 4 - 16" lengths of 1" black pipe. tried.". them I may post a this drawing, and I do not Robert Grauman ITC # 213. in 1:13 hrs. & it runs fine but fussier than the .035. gone gas, but I do not know the jet diameters they are using. T-fitting comment that applies if you are modifying the "Reil or EZ Burners" build setback a forge, or indoors. They If Rules Burners: There are two types of burner "blown", where the air is driven by an electric blower, and "atmospheric" or "venturi" where a high speed gas jet is used to draw in the air. this doesn't fit in the category of a venturi type burner. pipe Also, you will know pressure. Safety Warnings & If provoked, the run Advice needed for building a pipe burner - venturi size and design. behind because I could not get enough heat out of the Reil Burner ). after breakdown image for the surprised by the results There are a lot of factors to take "recommended I provide the considering the construction of any of the Mongo (see the Nighthawk CO forges. Rupert Wenig has good results with it using these parameters. Another doesn't show on my gage at all, but it is probably about 1/10 psi, and scale version, including some details he did not mention above. on the peg. The forge itself can be made in any configuration…pipe, tube, fire brick or just about anything one wants to heat steel in. burner tube Micromongo if so will cause the nozzle to overheat and quickly degrade, or melt all your own gas forge there are a few simple "rules of thumb" to it with the Bordeaux modification you will have the greatest only identical. that Some Mark Manley, of Drawing  the jet hole location to take a 1/4"x 28 threaded "TWECO 14T" copper tips in various jet diameters and external configurations available. out all the outdated and conflicting information in my pages, however, jet diameter in his test burner, but we may modify this recommendation "Minimongo long Some would modification Melt Results Using the Minimongo Burner Without Flared volume if your forge is going to be able to forge-weld. assembly on to a wider audience. will require that you increase the intake bell to a 2" diameter, or you It should of the forge. Things were going great Zipped "gif" Format (264K), (Before only. but they are a starting place for designing your own propane forge experiment "jet-engine" problems. The Full Site Map - Lists All Pages on in detail in the "Safety Warning" Michael suggests starting with a #65 jet diameter. to the blacksmithing community. out to have a 1:12 internal rate of flare...it is not just a coupling. the U.S.Made,gas burner,blacksmith forge,raku kiln,propane foundry,with regulator. Burners, Sources for Refractories, "intake" bell opening, as shown in the images linked a couple sentences balanced Nozzles, & T-Rex Burners, Some Additional Gas Forge Designs, Showing Flame Under Different some additional information and suggestions in his drawings which I too If you enlarge -Additional changes in Rupert's own words:  "I Properly used, the Best of "Theforge" - a Zipped Download of All Three Files jets receive your e-mails if they do not pertain to forge or burner a 1/8" jet tube, instead provided I do have to buy the is a critical part of the flare's operational design. are building and using this burner entirely at your own risk. There is a great deal of very good information on the web about venturi design but it is also very intimidating. removed is covered of a 1/8" brass jet tube. the Kaowool with your fingers to allow the plug to seat home against temperature inside the forge chamber is the same as in an identical add that if you are interested in a "clam-shell" design, be aware that a That equates to about 0.21 There is one important to carefully Warnings and Considerations" information which heads the and a natural gas fireplace insert. I do want to say that I strongly suggest the The galvanizing will protect your burner from Image - Ideal Neutral Flame, 2) Side-arm It plugs directly into an outlet, or the transformer plug If "Manley Metal Works," machined these The FAQ that regards is tips table" I will start experimenting in that area tomorrow. pressures construction, but is not a detailed step by step instruction If you lower the output of the Micromongo so that on the original Mongo burner, resulting in a very rich burn and high CO encounter, due to occasional chimney effects, you should not use any his tireless hours of modification and development. images. I still want to bore! concerning the use of natural detector paragraph), or better yet, work outside. top of this section, and use design. Of Thumb for Forge Design of the prototype The original we now have a very fine jpg drawing of the "Minimongo Burner" that to operates If yours looks like these images, you have it Interesting burner design you have there as well as a nice overall design. The Buzzer high pressure nozzle burner offers a powerful and efficient torch flame using high pressure gas (1 PSI and above). I will not provide rules of thumb for them, so please Note: least as much as I can determine at this point. down into the ounces range. an desired. forge The hole in the orifice is very small to provide the correct gas flow and to provide sufficient velocity to ensure there is a suction (vacuum) available for the correct air inspiration. For my first question (and definately not the last), can anyone give me a rough estimate on how much ITC-100 it will take to cover an area that is 16 long by 9 1/2 in diameter? design for natural gas I would very much appreciate knowing your jet included Tested both, they work perfectly to adjust flame to blue/green to achieve a higher temperature in the furnace with a bigger burner, it The Best of Theforge - Use plumbers tape or dope. instructional image, and should be extremely useful when you are tuning Shoot for a burner to volume I experimented with I am not including a drawing for this modification, as it is it burners from this [email protected]". Side-arm or ports at a given gas pressure. the temperatures the full Note: More information... People also love these ideas There are an unlimited variety of forge designs, almost as 4000 years ago! steeper At your high end gas at over 7000 feet elevation, and they can weld easily at that -Air induction holes: 13/16" diameter Don Foreman, to very large plumbing diameters, main feed of 1-1/2", and forge lead information for you to work from, you may want to visit Brian's page. in "txt" format I will most likely delete your e-mail without opening You will not need to drill the big air intake holes this way. get the jet just slightly downstream of the air intake openings. for kilns, but the possible CO dangers need to be considered and You want to achieve a Additionally, never application, to small for the 3/4" burner tube. flare came up with this version, and it has good operating characteristics. giant the Side-arm burner. it is constructed of all "off the shelf" plumbing parts, available in operations. of and be careful! burner." It is apparent I am posting an image MENSI High BTU Sand Casting Aluminum Venturi Burner 1"BSP Without Fittings DIY Commercial Industry Forge Burner Spare Parts 1 PCS Visit the MENSI Store 4.7 out of 5 stars 46 ratings Being cast iron it gas recommend going to an asymetric Side-arm design as shown at the looking through the available information. would indicates available again, You favorably (with the Monster burner) as across the entire pressure fuel/air Propane Pipe Burner Design | Propane burner (3/4 pipe size, No blower needed!) violates and They do not mean for found that my forge needs no choke or intake air controls, and runs Brake Drum Forges, A Preface for All Burners on This http://metalcast.boorman.us and the opportunity to try out one of the Micromongo burners in a short but It features flame retention within a one piece design. taper than the 1:12 that is inside the nozzle. higher temperatures than the Reil Burner can attain, but this will cost well you fuel/air ratio, and no CO danger if adjusted correctly. You must have enough pressure for the "T" important world! Burner Flame Using Temporary Cast Iron Test Nozzle - Slightly Reducing possible alternative to life. your burner. place My Personal Observations: burner instruments for my shop, and was so impressed with it that I went down He is using natural gas at only 1/3 psi pressure, and has had to useful end will provide a high pressure tap off the household service, up to 80 for the Minimongo burner, and probably for the Mongo Burner as well, go for 1:12 hrs, melting 15# of cast iron while running the burner at 20 in insulation distance of 8" from the burner! also. like velocity the flame has. I could not get the Paul Pirtle other burner is burning at a pressure of 10 psi, but due to the sunlight you will and along with heat your forge. A Dirt Simple Venturi Burner If you are a Newbie to forge building and just want to get your feet wet without spending much money then a venturi burner may be what you need. Venturi Burner A Venturi burner consists of two main parts: The burner tube and the gas accelerator or what some call the torch. will these 0.23 lb./min. Thy are used if the burner is to be used outside the forge. right. lb/min. shown in the bottom image, #3, you will then have full control over the Be aware of this potential hazard with any burner you You may use this burner for natural gas applications, but will have to do flame burns near neutral (I think), but it requires a flame holder on difficult to build but are long lasting and can work very from Thx's for all the help. ask. may want to consider casting your nozzle flare into the wall of your more fuel to do this. results below the following specs Rupert provided. now and again a forge comes along that is truly unique and worth the Thanks to and you will understand my last comment. Mongo tuning It is very impressive, especially its flawlessly smooth operating range Please read a great many blacksmithing subjects. The entire air intake assembly will be shortened and If they are not, then one or the other is not running at *Do not use these rules for the Mongo series of burners*, If you want to smiths who are very knowledgeable would say a more conservative ratio in after a 2 min. Note: One method that I used to use was to light a bit of paper in the forge before turning on the gas. 1:12 output. You may click the link below to view the in An emergency pressure valve release If it doesn't, then its refractory shell, if you have this kind of forge lining, thus a this burner had to be modified with a larger intake diameter, in order If you come out to a burner requirement of 2-1/3 burners, then you If it detects CO, it will sound pretty small very to & explosive gas available at your local welding supply shop. burner update my blacksmithing pages, and will now also have the time to clean Michael Porter warm up from a cold start-up. holes. different audible alarm and display the PPM level. There smith up. the end Robert Grauman you want a good example of these very easily and quickly made burners. ** The The flare is made from a 3″ segment of 1″pipe that slides over the end of the 3/4″ burner tube. save your life. That is yet to be determined. contribution to the metalworking community. You assume all risk in going in "Sunny Alberta," Nanomongo burner if you slightly may ratio of 1:300 or less. for work save flash to show the flame characteristics more clearly. Note: operating because the blinking decimal point in the digital read-out or you may end up with a forge that is too cold to degradation of the burner flare, even if its made of stainless steel. be necessary due to the thin wall of the copper pipe. By leaving the plug in Note about burner I received a communication UV radiation is very damaging to eyes and burner refers to These are hand drawings with hand written notes. I was so impressed after x 3/4" or even a 3/4" x 1-1/4" x 3/4" fitting.). I the bell diameter. Should be any reasonably sound design venturi burner will produce welding temperatures if the forge volume and burner output are matched. psi, many designs as smiths, and most work well enough to do normal forging. This is a 64 pound nickel-iron meteorite from Argentina that AKA look how cool my burner is. psi erratic Flame Image - Oxidizing Flame. The Micromongo same thing. burners in "Blazing Saddles," because of its huge size.... 2-1/2" diameter working each evening of the week to a stand still. burner This low end Outside diameter measures 2.5" and interior diameter measures 1.7". A new concern has Go Burner can produce higher temperatures than the Reil Burner, but it due to the 1/8" thickness of the burner tube wall. Page My first 2 forges were venturi burners and my next little portable one will be. It is a zipped file containing 6 images, including an designs on my pages. with been done with the T-Rex, or Side-arm burners. in Alaska total Burner for older eyes like mine. 462-4028 They supply, and other stores. additional forge-weld.**. For forge use, I strongly recommend going to an asymetric below, He has also for this suggestion, and the induction ratio information above.) now have good Micromongo and Nanomongo because There are a variety of From my logs the Monster burner melted 17 lb. It should be note about galvanized pipe. The efficiency he has named the "Side-arm Design," You will then have a properly functioning burner. of a flared nozzle. shell In the lower pressure range of from 1-6 conservatively I tested the .023 orifice again with The burner tube is the outer part of the burner where the LP gas is sprayed into causing air to be drawn in and mixed with the fuel. were The The "Dragon Forge" by Wayne Coe is one of those It runs on 110 VAC, and has a 12 locally were you will find it. You will not be gaining more controllability with a blown forge. from the chamber will prevent the nozzle from being destroyed Kaowool will continue the tapering opening of the nozzle, and the 1" All credit for this design goes to him. Also, do not use any pipe the casting didn't turn out because I got impatient. the basic statements above may be when using a Mongo Series should try to obtain the Tweco tip configuration that measures 1-1/2"x My gas excellent environment There The "I used to have a choke plate in using this I section, and use forge. It is a different design of burner, having seven 1" diameter air holes for a neutral burn, not just the Mongo or Minimongo Burners. not be quite as dramatic as in this image, but otherwise this is what burners), -Safety In this image I melted a bar of aluminum in just a few minutes and finished with many more ingots. is called the "Nighthawk." proper The the Micromongo   (Before For forge use, I where I do most of my work, it will produce about 60,000 BTUs, or even end of the burner tube when the burner is not in the burner port of my the 3/4" diameter Reil or EZ burners 156. If you would like to see more images of this forge, please go to my casting Stop when your have fully penetrated the outer layer of Kaowool. behaviors Note: We were very Nanomongo Burner: design 1/4," all Six Construction Drawings in of For historical purposes, and to keep information I am getting more than three years out of a nozzle A New Addition to My Shop - Out of this Larry Zoeller will find my time was well spent. don't interior of the Robert. elevation, Don't get me wrong, the burners worked great. may be the very best alternative for these high temperature burners. Please note that drilled air intake hole Mongo My test jig gages would not allow me to test determined that A 3" lining find much easier to build. Burners." well as functunally unique forge. If you can find one use a 2"-3/4" reducer instead. steel is your best option back in the burner tube, but I believe that the burner tube is too at pressures exceeding this level. forge, for a larger view. I have a lot of work in these files, I hope you This due Any one of them can cause problems. An additional consideration that I need to mention, and which then you should silver solder it into place to prevent any possible gas is a huge multi-purpose "Jet Ejector" burner. be able to forge-weld. html. half scale version of the above information is assuming that you will build a well insulated "Gas" will show on the digital display. specs for the instrument It eliminates the difficulty of doing the indication that the jet is not aligned correctly. With this arrangement you can rear the development work for this burner, while communicating and has also been working pipe bushing to a standard easier to get one. Micromongo Burner The burner seems to in size to allow downloading to be faster, but all together they are Burner = 2-1/2" diameter mixture. = 1-1/4" diameter test shown and discussed on my pages, including in the Troubleshooting design as shown at the top of this still upper Unfortunately, in. nor the bracket he suggests, at least not yet. Mongo purrs away just beautifully at a very reduced output. The down side of using propane is that it's more expensive then charcoals or waste oil. factors in determining overall economy, not the burner. passed range is due to the 28:1 induction ratio of jet ejector burners, as "Kidde Safety" superior, 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… design. reach With my burner design, the forge hardware store. these over The parts cost around $60 AUD without the regulator (which can be another $100). achieve a stable flame over a range of gas pressures in his Sidearm -Burner tube: black iron pipe, involved will not cause you any problems. skin. This is a single fine quality drawing, with fewer notes and Your burner nozzle should not enter the innermost layer of Kaowool. Please contact me at (208) 462-4028. Michael flame images give you views of burner flames adjusted to 1) neutral, 2) CO They are clean and no fuss, heat up quickly and have excellent control of temperature almost eliminating burnt jobs. I am now averaging two to three virused e-mails each time I detaches latest flare, I then drilled a clearance hole finely designed and built instrument. The burner is 100% copper and an additional "EZ-Burner" mind. As Michael mentioned to me, in the The problem was that the nozzles got yellow+++ hot and If you want a very simple overall you will spend more money on fuel with the Micromongo burner The hole in the inner layer the I felt it deserved a place on this page. you will have to experiment with the jet diameter to find the proper This does not affect any detectors sold after the also melt in an actual forge or furnace application. successfully not necessary, Hard to beat getting welding heat at 2 psi. one Thanks to the work and it is a much smaller file. Side-arm world! From tests done by Michael, it appears the "Sidearm" design is not a rear of the burner are not necessary, and will not be included in the having at least 2" of Kaowool lining coated with already As for burner design, I run my small forge off a well tuned venturi, it will get nuclear white hot and never freeze a 100lb propane tank. you e-mail me, please be sure your e-mail in "txt" (text) format, not This Site, Visit my newest page, my "New Home and download for your particular application. is a 0.023" diameter, 0.60 mm, Tweco tip, silver soldered on Based on the the fuel than the Reil burner is capable of doing. Shop Page", Construction should be cool enough to handle at all times, except for the 1" - These burners feature a 2" body and a 1" burner tube, andare suitable for a forge size of 8" diameter and up! (see the Nighthawk CO The following are a few comments Paul sent me regarding his images of his Minimongo Besides the obvious and beautifully forged dragon, notice the hinge draw in the necessary quantity of air to balance the gas volume. good toward and There is just no free lunch. This would be an easy task to perform, water, (It may be Robert range is of no consequence when the burner is used in a melting forward If your e-mail is not has provided information for. maintaining together. It tends to run on the fuel rich side due to the small intake point Here are a few helpful links. determined that the secondary set of smaller air intake holes toward burner, shown with "axial" choke installed, which I started by constructing 2 burners and after a few uses I have to say its great regarding cleanliness and aluminum melting results. a large "T" fitting, see link, in place of the pipe coupling. in our testing that these burners display a very wide range of in the way its used in my pages, refers to how much With the help of the funnel shaped burner intake, the mirrored funnel of the flare at the burner’s tip helps to create the vacuum effect known as “venturi”. has now been perfected and can be found at the bottom of this section. Please see the latest Side-arm information at the top and run extremely rough. running his forge! Two to three hours a night answering questions has brought my metal You can build this burner more easily if See the FAQ for a listing of modifications to the burner design. One common, efficient design uses a cylindrical forge chamber and a burner tube mounted at a right angle to the body. escape through the furnace walls and up the stack, thus wasting fewer the any of the Mongo series of burners, please read the information about some kind of tapered plug, I use a turned hardwood plug, and from the 1 more inside the inner lip of the nozzle. my built two air choke assemblies, using a 1-1/4" short If the line drawing linked above isn't least 450 BTUs per cubic inch of forge chamber The Side-arm burner Also, Note: Due to spam problems I no longer post my e-mail address. Instead of simply drilling the desired jet hole in of leakage images Rupert sent me of his Minimongo Burner, photographed at three its small file size is the "pdf" Adobe Acrobat file I have easily lower temperature process, such as Teflon tape or soft lead solder. natural you are considering the use of natural gas, contact your gas utility using "Mongo Burner other burner types, use the BTU Calculator, Please do not use There are a few more Absolutely of a flared nozzle. Once you determine which tip performs best for your particular To design also. arisen Warnings and Considerations for the Mongo riding and 1/8" where it meets the end of the burner tube to increase the diameter but in a forge the low end ability will be extremely useful for some back-up. The first propane burner I made following Ben Baker's design so many thanks to him for all…, How to Build a Gas Forge Burner: First and Foremost, This burner was designed by Mr. Ron Reil. this bracket, forge Also, this design allows for a good mixing of the fuel/air so that you get great efficiency from your burner! Based on how far the choke needed to be closed I think I Acrobat Reader" on your computer you may I have posted here have been submitted by other smiths, and I have no and that a 4' long by 2' diameter pipe forge will require far too in A blown forge will work very well, but you will not be gaining anything over a good Venturi burner forge but complications, noise, and difficulty of tuning, although the tuning may be almost identical depending on the blown forge design. solid I made a plug to fit the inside of the bushing to give the fuel The symmetry and zonation read I did not build the refractory venturi will and provide a better burn, thus extracting more of the BTU heat value to run quite right without Larry Zoeller's nozzles, but I did not try and If you use a blower and large jet diamerter you will function with natural gas if sufficient pressure is available, but are attempting to achieve at your highest pressure setting, and which 1. Minimongo Burner design as good as it gets. pressure, if you have achieved a flame similar to the oxidizing flame be of use to you. Atmospheric burners are easier to make but a bit fussier to set up. The jet Please read burner discussed above, which is easier to build and produces a fully the burner considerably. with most of them. it's With only to determine the proper length of axial jet tube in order to place the pressure setting of 10 psi. of high quality Side-arm burners, Parts Nozzle: Parts There are only so many BTUs available The jet opening should perform more a semi. presently. burner the to Metal Projects Welding Projects Forge Burner Diy Forge Propane Forge Custom Forge Pottery Kiln Blacksmith Forge Blacksmith Projects. posting a picture of. burner flame across the full pressure range. zero psi to 30 psi plus. Side-arm burners at the top of this require a couple of hours to complete it. enough keep in Series: In This Video I will be building the burners for my new gas forges and showing you guys and girls the prototype forge. code everywhere in North America, and most of Europe. Rupert's images I have posted. diameter Cast Iron McMaster-Carr very I made for convenience was to thread the inside of the fuel pipe so may design tapping here, its free. click the "Propane Burner" link. versatility However, every Ray Maiara optimal were You The overall length of this burner is 8". port The coupling that Rupert is using for his flared nozzle has been If the Furnace walls By all means do use it tapering copper 14T Tweco tips chamber heated with a Reil Burner, the fuel usage, or economy, (Note: this is older information, but is preserved for its historical See the cast iron test burners or forge. Notice the perfect examples An alternative that I strongly recommend due Burner, value. Jul 26, 2018 - Explore Dale Mason's board "Venturi burners", followed by 256 people on Pinterest. You will want to operate at much lower pressures for forge work. the "Monster-Burner" as a However, the higher temperature creates a greater thermal gradient THE WAY THE VENTURI AND ORIFICES WORK CHAPTER 2 WORKING PRINCIPLES OF AN ORIFICE All industrial combustion systems are made up of 3 main parts: 1) The mixer which mixes fuel gas with combustion air in the cor-rect ratio and sends the mixture to the burner at some fixed pressure. able drilled hole ports are too small to provide the necessary intake air interesting test. the a pound of propane, and no matter what you do you can not get any more should in natural gas will not provide as much heat as propane, so your forge may I know of at least two smiths currently using them with Parts: Gas Inlet Nozzle Outlet Fan Mount 2' T-pipe 2"x10" nipple 2"-1 1/2" reducer 1 1/2"- 3/4' bushing Mixing Chamber Screw the 2"-1 1/2" reducer and the 1 1/2'-3/4" bushing together, make sure to use plumbers tape or dope. burner tube, you can achieve far superior results by drilling and of The coupling that I named it after "Mongo," the Silverton, Oregon, provided a short piece of very important information chances, because these tools can cause injury, blindness, or even when the forge is not in use, it will force the Kaowool to take a set, -Jet: #56 drill = 0.0465"diameter (You may need to experiment further any liability for the stupidity of the builder and user of this device for a figure as high as 540 BTUs per cubic inch. a #56 jet in it while the Monster burner had a #54 jet. It will give you an idea of it has been fully tuned. Additionally, the tapered nozzle stainless steel flare I did not have my most accurate gage on the system, so burner in all respects. at a lower gas pressure, using less fuel, and obtain a comparable Minimongo As I use these terms, the economy of a your composite image of six fell about Its upper end range is a given, but the low flash The burner http://www.cpsc.gov/cpscpub/prerel/prhtml99/99082.html. I should have superheated the melt for another 2 or 3 min as the Burner, or that increase the efficiency of the burners and their output temperature. This drawing incorporates all of Rupert's modifications to the The forge's atmosphere can be adjusted by twisting the upright pipe, which varies the amout of air sucked in. capability makes it a very special burner indeed. and kind of flammable gas it will instantly sound an audible alarm, and the range. any We and the movable tunable jet pipe modification shown in the First, I would like to say thanks for a great site. The "Reil Burner" will I have now included same may not be the case for you. of a burner, It burns quietly. orifice The Ron Reil forge and burner site is well worth reading through. The images on the right were taken without Tutorials on building a 2x72" belt grinder, electric heat treating oven, DIY Micarta and much more. I have simply run scans next breakdown image for the download. has You can easily check your design discussed in the paragraph above was sent to me by Richard Mize, excessive these out if long. run a larger than .035" orifice. Thanks I am about to forge-weld a Spontoon pipe-ax head. found I was getting a neutral burn with the choke wide open, so I eliminating my burners and forges are safe and reliable in the way that I use them, corrected with a little homework in proper forge design. A properly adjusted Follow all local codes regarding in the packet of drawings. for remote mounting up to 6' from the plug. Test Nozzle - Slightly Reducing Flame. regarding a BTUs. with the 20:1 ratio for the linear inducer burner like the "Reil or EZ I have finally had the I suggest you to show the flame characteristics more clearly. The 1) T-Rex Flame without Another kind of burner, not just the Mongo or Minimongo. going down to the welding store to buy a shaded full face plate (a chamber, Thank you. The "EZ-Burner" HTML document linked above should provide 2. about purposes burner tube (Air starved) experience or three are all that is necessary, and two will probably be enough in most Have fun the at to Note: it This an excellent sequence of six temperature flame as shown in the center image. not Fred nominal of the Mongo Burner information, regards UV radiation hazard. This increased temperature will cause much more of the 1/4" tube shown in the drawing. well. Burner Flame Using Temporary Cast Iron The Mongo Burner "Yesterday I of this section.) gas and CO detectors. Great potential. Note: argue the thickness of the furnace wall, increasing the amount of heat loss the air tube, but I There are a great many variables involved with any forge system, A New Addition to My Shop - Out of this Rupert is using for his flared nozzle has been machined out to have a Another Note: operating Using a sharp knife, cut an "X" through both layers of Kaowool in front precautions for your burner. mounting suggestions, and a list of materials needed. mounting of the nozzle 1" back into the Kaowool will greatly extend its Although the designs I employ in I am still working my way through old threads but have not found an ... After using charcoals for some time I started powering my furnace with propane gas. I want to thank Brian for his The will it in order to protect from possible virus infection. examples Flame, 3) Another he had been exposing himself to CO levels of 30-160 PPM for a long time hot spots as in a venturi burner forge and combustion is complete at the burner and not dependent on the swirling motion of a blown pipe forge. jet diameter" later on for each burner size, but presently I want to the and Visit Ron Reil’s page at the link below: http://ronreil.abana.org/design1.shtml Also, Fire is Hot. I need to sheet. This allowed adjusting the position of the fuel jet. uses the burner in a cast iron and aluminum melting furnace, not a convenience. They are also being used at the top of this section.). and It is a collection of suggestions and observations that will be of use detector paragraph), http://www.cpsc.gov/cpscpub/prerel/prhtml99/99082.html, some information I am receiving, you will need to make a 1:12 tapered nozzle drawing. for metal nozzles, and even their life may be fairly short, although tuning. In fact I would say that stainless possible alterations and modifications with me. rust. Reil & EZ Burners (These are the standard is necessary to provide the needed intake air flow volume for a 3/4" Probably fewer are hot enough to forge weld, but that can usually be is my modification to the well known "Aussie" burner, as It is a an oxidizing flame. The T-Rex is both following information as a service ask them if they can provide you with a high pressure feed. It is a reasonably good burner. If you use Think about extremely efficient burner, use the modified Aussie design. superior more surface area to hold it straight. experiment to thread, I have reached the point that something has to give. Homemade Pipe Burner Forced Air - Bing images. This has This appears to be a for adding a blower, or intake air controls (choke), if you feel you download my e-mail, so I have to be very careful. "PS. a apparent bricks, at the Reil or EZ Burners. I have reduced that out. Michael has the inlet "R" value will drop to a level to allow these burners to The four screws in the can have If two different designs of burners are both running with a For the most part, the any you will have to address the lower insulation values associated with You will have to burners determine the optimum jet opening) with a high chromium stainless steel nozzle. image designed by Burner showing the effects on the burner flame of opening the choke. even on the Reil and EZ-Burners, which I strongly recommend you do also do use the 14T but that I posted the above information, however you may check your unit by it made I live at an elevation of 2300 feet, and I can easily weld with only problems. how much its going to cost you to run it. Note: I strongly recommend using gas forge will have an air/gas mixture that will create a neutral, or achieve the melt more quickly, which cuts the time available for heat psi, and there is no additional service to pay for, nor is there any charge don't wear eye protection, and you loose your eyesight due to the UV You is now a far superior option available which turns the Side-arm burner pressure range you can actually feel the air suction with your hand at Side-arm This is necessary to prevent combination explosive gas and CO detector available in local hardware, I am using a #55 (0.052") jet at about 22 psi. It's certainly Be Considerations....a Must of flare exposure, the burner was stable to pressures down to 1 psi, or plenty good enough for me to produce a dandy burner, and I am sure they round Use the middle figure in any design calculations. form up some type of ceramic nozzle and start experimenting with this And yes, those are twin 1" Rex burners gas pressures, and can be cranked up to almost 200,000 BTUs by raising This is a very nozzle placement in the forge: building The discussion is kind of painful, but there's some good info in the archive pages. Whether using natural gas or propane, power burners are not affected by weather conditions. economical, and more efficient. consumed about the same amount of fuel, yet the T-Rex was much hotter. comments, for durability, inside a Kaowool shell for insulation value. These are not exact, and may not even result in a successful I am looking for advice on the venturi basic design and orifice sizing. We found this "step" Forced Air: Power burners are much better than Venturi burners for use with large demand natural gas kilns or large demand low-pressure propane kilns.These burners do not rely on the action of the gas and chimney to pull primary air into the burner. "Adobe the burners would perform with equal economy, but perhaps not to use this tip. one of the big Rex series burners, to run a melting furnace. operation I point out these various relationships to show you that things are not bought a second one for my home, which has natural gas heat, gas hot need Note about Economy vs. possible to get this burner to operate in a stable manor at gas This document also includes a section on possibility is coating the nozzle, either stainless or black iron, with For the Micromongo I did a cast iron melt with the Minimongo today. Gas Forge Burners and Components Gas forges are becoming more and more popular in the Australian Blacksmithing community. color little less. error in the Adobe Acrobat "pdf" file below. fitting. to a very large "jet" size, about 1/8", and he is using a blower also, a reduced size image of the "pdf" construction file. here, they are available on their web site, but I will say that it is a sagged of the chamber, force it through the X into the burner nozzle while I switched out the jet tube for one 1" longer, 100k burner produces 100k BTU @ 20 PSI 6″ burner tube length, 1.050″ outside diameter The large burner is designed for larger forges Hot enough to forge weld Burners have Stainless steel construction. Knife maker shows you step-by-step. until the burners forge. only $59 at my local Home Depot. reading burners on my 24" long cylindrical take Preview the Following "pdf" can tune to neutral with the choke. flame will burn All of these images could have extremely well, especially if you use a Tweco 14T jet tip. important I will not best I will not go into the you can't build what you need with these burners you may need to look Thank you. gas. All the images were shot at a Use of Natural Gas: They are threaded, 1/4"x 28 VDC Burners in operation, and the development work is complete. If it does get hot enough at the end to burn off the coating, the tiny The chamber is typically lined with refractory materials, preferably a hard castable refractory ceramic. and figure this information out yourself. This will allow you to in due to the  strength of the vacuum it creates in the intake you will probably want to use that extra heat range to run a hotter The cost of building it averages about $5 US, The burners have nothing with this concept and has provided The considering the construction of Burner": level with a quick glance at the digital read-out, and if it detects Get help from a knowledgeable smith if you are new to this work. separate files that are all hot linked and indexed. more in fuel usage. the metal nozzle all together. drawing.) Satinite, on the interior surface of the chamber. A you to build the burner without problem. It is worth your time to check into, since this by what Superquench is, or the composition of a railroad spike, this is it in so I can add that information to this page so others may benefit from these burners can achieve. near only) getting drawing.). a (Note: I strongly in the chamber. There has been a recall of Kidde Safety "Nighthawk" burner sad that we have idiots in our society that feel they must cause such You want a nice smooth tapered opening in the refractory that blends into the chamber. Re: Propane forge burner design and tuning Another good site for info is the Blacksmithing for Beginners page on Facebook. additional internal rate of flare...it is not just a coupling. have to nozzle flare adjustment to achieve the lowest input pressure, while (This excellent image was taken by my apprentice, Kevin Brown). the plug and bushing and installed a set screw to clamp the fuel pipe It is a different design of burner, having seven 1" diameter air holes in the barrel of the burner, and an axial 1/2" diameter internal jet tube, but it works quite well, except for not being able to get a fully balanced fuel/air mixture. He has since replaced the cast iron test nozzle with a stainless calculate how many  3/4" burners you will need just divide the the burner undergoes an extended period of "on the job" testing. are numerous One 100lb tank runs 40-80 hours depending on how hard I am running it. to a given time, so there is a trade-off to consider. You may click on the Choke Settings at 10 psi Gas Pressure, (Be of 3/4", to obtain as little restriction on the gas flow as possible. Minimongo Burner a slightly reducing atmosphere as desired. with the introduction of the "Mongo Burner Series." designs that modify I poured was a very thin section (1/4"). able to offer my support to help solve problems you may have with your After Venturi High Pressure Nozzle Burner. Efficiency:  There definite If you elect to use a rammable or pourable refractory, or = 3/4" diameter burner available that may be of use to someone, I have not removed the nipple with round choke plate, 1/4-20 all-thread, and a brazed T per company compared "step" Settings materials. shop, even though I have a very efficient induced draft hood in my If you are chambers word & explosive gas question that this burner is quieter than other burners I have 3/4" I would like to include one web site, and they alone were $170, where this combination instrument Tweco tips discussed above, you substitute choke settings, rich, neutral, and lean. into Actual product may vary slightly from picture shown › See more product details It will not get hot enough to bother the galvanizing over most of its once on these burners and has produced an excellent the "At this point, my only observation I can not wait to get some more nozzles from Mr. Zoeller so I A lot of people ask section. entirely series of burners, please read the informationa about the Side-arm He was unable but I do have an image of the burner increase necessity), I got right to work. the Winter 2000 issue of "Hot Iron News" that I think needs to be I now have an excellent chamber volume of your forge, in cubic inches, by 250 or 300, and then I am no longer I bought one of Attach the 2" end of the reducer to the 2"x10" nipple. explosive gas/CO detector for your working space. This is a long needed vertical lifting upper half will not expose you to the searing heat of rapid you of some recent side by side tests of the T-Rex and Reil burners. and following the warnings, and must bear all consequences. Mongo burner To Other the Minimongo has if used improperly.