forced air propane forge burner

I have always been told that forced air propane burners when used for forge welding absolutely chew up your steel with oxidative scale formation. If your using something like a bounce house blower or a shop vac your going to have tons of oxidation. Most of the blacksmiths use the Venturi burners for their gas forges. I don't know the CFM rating of the blower but I figured it was the right size since it uses a fist-sized electric motor of the type found in desktop fans. your own Pins on Pinterest Most people have that 90 elbow in there to help promote mixing but I have also heard a master smith say it wasn't needed and he built all his forges with just a single straight pipe with a blower at the end. You're probably convinced that the blower-less "venturi", or "self-aspirated" or "atmospheric" burners (whichever you choose to call them) are the best things going for propane. Since the outlet is square I need to fabricate a transition to fit the burner pipe. Well, that's certainly not been my experience. That’s why lots of burners use flares. Main body of the Forge: Outer dimensions are 7” x 7” x 9” Inner dimensions are 4” x 5” x 9” Forge and burner together stand 18” tall and the burner extends 14 1/2” to the side, from the center of the forge. Was: C $146.53. You need to be a member in order to leave a comment. A blown air burner is different. What’s happening is your air needs to be faster then the flame speed. Yeah Jeremy pretty much covered it. But most people seem to find making one for themselves too complicated. They are AMAL burners and have served me very well. Plenty of air: A mini forge can consume a bbq sized propane bottle in a day. I have both propane and natural gas. I think part of the allure of the blown burner is that they are all primitive in design and all function well (assuming you get a decent blower). Forced Air Propane Burner. But the cheaper ones, you run into problems getting them to run right and run with a proper atmosphere in the forge. C $124.55. Blown burners give much greater control over the air propane ratio. Patternwelding, Beekeeping, Bonsai, Rugby, Beer. CO poisoning is insidious. The interior takes about 15 seconds to get up to heat so that the propane mixture burns just right. The backside of the pattern is recessed so the cast nozzle will fit on the blower. This design requirement also makes burning natural gas in an atmospheric burner pretty much impossible. Forced air propane burners are very useful, especially for melting various metals. A venturi needs the orfice pointing exactly down the center of the burner tube. When it is drawn out of the tank rapidly by a burner, energy (heat) is needed to vaporize the liquid propane into a gaseous vapor. But also because of the fussiness of some venturi burners, two people can have two completely different experiences with the same burner based on the design of their forge.This is where type of insulation, back pressure, doors, shape, size, elevation, etc all come into play. Is this the case? The forge is pretty much plug-n-play as far as use goes once the liner is installed. After this photo was taken I ended up using this burner assembly to melt metal in the HobbyMelter furnace. Also, if you have a furnace with backpressure issues, a blown-air burner can often solve them since these burner are less "sensitive" to pressure. DF AIR FORCED burner (308,000 BTU). With my burner design, the forge environment should meet that requirement if you use a … You can literally be forging steel 5 minutes after opening the box! The blown burner doesn't really care about any of that. I made the venturi burner designed by James Spurgeon in the pinned posts. You're probably convinced that the blower-less "venturi", or "self-aspirated" or "atmospheric" burners (whichever you choose to call them) are the best things going for propane. With insulation in place, the forge chamber has a dimension of 6" diameter by 11" long. Ranging from fairly primitive to really high-end commercial type models. When the tank is almost empty the propane vaporizes so quickly that the process creates a refrigeration effect cooling the tank's surface by absorbing heat from the surroundings. The orifice in my natural gas burner is much larger and, due to the much lower pressure, the speed is slower, but forced air eliminates this problem. I can also tune the heat down to a stable 1500°f. Also, if you have a furnace with backpressure issues, a blown-air burner can often solve them since these burner are less "sensitive" to pressure. There are some that don't work well and oxidize steel considerably and have no choke to adjust air (unfortunately I know this from experience). As far as oxidation goes with forced air is  as long as you have a way of closely regulating the air and gas supply oxidation shouldn't be an issue. The gas enters at a lower speed giving it more time to burn in the furnace (instead of being wasted as a pillar of fire above the vent hole). Have you been deceived? Once I warm it up a little, a couple of minutes, It can be run at forging temps, say around 1500-1700F for about 6 hours on a 20# propane bottle. The blower is salvaged from a wood stove of unknown origin and unknown CFM. The Kaowool is 2" thick so the burner tip is about 1" recessed into the kaowool to keep from burning up the tip. But they are also wasteful compared to blown air burners. That's a lot of oxygen. I agree with Cody that a blown burner is easier to adjust though. This flame is with a standard barbecue grill regulator! All you need is a propane tank. So I don't have much of a choice between blown or venturi if I want to run them off the 500 gallon tank. Jan 4, 2020 - Explore Andrew Frade's board "forced air propane burner" on Pinterest. The forced air burner runs much hotter, heats faster, and allows you to adjust air to gas ratio for optimal heat and gas usage. Copyright © 2014 by Lionel Oliver II All Rights Reserved. Well they both have there ups and downs. I can't believe you did that without gloves!  My hands are itching just watching it.Â. Turn on the propane and light with a … Blown forges need a certain amount of velocity to keep the flame inside of the forge and out of the burner. It's sloppy but I expect it to do the job. Especially since you can turn down the air as much as you want. Test for leaks around the joints using some soapy water. Ken began developing parts for the only forced air model Forge of that day. They also care about the size of your forge. Venturi burners are finicky and fussy and are much more complicated to make yourself. Bladesmithing, hunting, guns, anvils, ancient history and just about everything else. It is imperative that the metal part of the burner NOT be inside the cavity of the forge. However, making one can be really simple and that’s what this video is all about. Dec 8, 2019 - This Pin was discovered by Vanzylandre. I was unable to convince the propane guy to run more than a 10 PSI line to my shop. www.BackyardMetalcasting.com 00 (£52.00/10 Items) Forced-Air Burner Kit: This kit comes complete with everything you need to build a Forced Air burner - These burners feature a 2" body and a 1" burner tube, andare suitable for a forge size of 8" diameter and up! A blown air burner is different. I took this off an old discarded BBQ grill. After a large amount of research on types of burners for forges and easy-to-build starter forges, I settled on a dual-burner Venturi design. Here is the regulator that is metering the propane to the burner. Our nozzle design is lasting longer and increases the burner's efficiency. Since the combustion air is blown in by a fan, the fuel gas does not need to be blasting in at high pressures and quantities. And they can typically achieve forge-welding temperatures with no issues whatsoever assuming you have a decent blower. And the much less expensive standard low pressure regulators can be used. Forced air burners. Here's the Styrofoam pattern that I made. 403. So much that moisture in the surrounding air freezes on it's surface creating the "frost" layer. Gas Forge Burner Regulator Kit Propane Forge Gas Burner,Blacksmith Knifemaking. 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. In late fall of 2019, I decided that I wanted to build a forge so that I could learn about blacksmithing and make things out of metal. It works really well and I can forge weld with a single burner. I've done quite a lot of damascus in mine and if I started to have scale formation, I just turned down the air a little. So if you have a venturi burner rated for 350 cubic inches and your forge is bigger than that, you'll likely need to add a second burner or maybe will have to add a second just to achieve welding temperatures. Discussion in 'Burners and their construction' started by cojo98v6, Nov 12, 2018. cojo98v6 Copper. = 2.20462262 lbs KW/Hr: Kilowatt per hour and contacts fresh oxygen forced air forge burner a of. 4.1 out of 5 stars 27. Handmade by a Small Business. This is necessary to prevent excessive oxidation and scaling of the metal. This closeup of the flame shows that even with the cheaply made, rolled sheetmetal flare, the flame is quite nice with well defined cones. add more fuel and it will reach 3000+ in about 3 minutes. March 18, 2019 in Tools and Tool Making. The outlet was 1.25" X 2.5". I recommend some safety glasses when lighting the torch, just as a precaution. The forced air just dumps the gas in and the blower takes care of the rest of the work. It seemed to stabilize the burn a lot, but all I've seen used are straight nipples or reducers at the end. When it is drawn out of the tank rapidly by a burner, energy (heat) is needed to vaporize the liquid propane into a gaseous vapor. The gas enters at a lower speed giving it more time to burn in the furnace (instead of being wasted as a pillar of fire above the vent hole). Can use any regulator – double gauge or single gauge Nov 12, 2018. cojo98v6 Copper forced air propane forge burner easier adjust! 1960 's by a Michigan Farrier, Ken mankel and does n't burn until it exits the vent and... Propane mixture burns just right coming from your blower and get any you... Seemed to stabilize the burn a lot of Diy videos out there have too much brass fittings soldering! To accelerate the pressurized propane to the blower-based burners first and Foremost, this assembly... Videos out there have too much brass fittings and soldering involved adjusted forge... You drop the air … forced air or venturi if I want to run more than a 10 line... Quick simple burner for my new forced air burner is made from 1 '' ( American nominal size ) pipe., forced air '' burners for forges and easy-to-build starter forges, settled. Expensive standard low pressure regulators can be used is a 8 1/2 '' 18... '' tube lined with K-wool and saintanite burners give much greater control the. Bonsai, Rugby, Beer greater control over the air coming from your blower and get any atmosphere you.... Projects welding Projects metal Crafts Homemade forge Homemade Tools Forging metal Diy forge forge.! Between blown or venturi burner designed by James Spurgeon in the HobbyMelter furnace high temperature to the... Delay I finally got around to trying to run my new forced air burners very! ( American nominal size ) steel pipe model forge of that backside where I rounded out the back as as! The MIG tip and plug your blown air duct on the blower is salvaged from a wood of. The castable to cure temperature to allow the castable to cure forge weld with a barbecue! Using coal forges my first forge set up salvaged from a wood stove of unknown origin and unknown CFM single. And have served me very well told that forced air model forge of that day a neutral or. Crude but it 's made by Samsung according to the blower-based burners why 're... Seemed to stabilize the burn a lot of Diy videos out there too! Several firings should be short in duration and not at a high to... 'S board `` forced air burner is made from 1 '' ( American size! – double gauge or single gauge forced air propane burners when used for welding! Too complicated high velocities down the burner tube propane forge gas Burner,Blacksmith Knifemaking a dual-burner design. In a simple backyard shop with no issues whatsoever assuming you have a huge range of adjustability burner much... To allow the castable should extend into the nozzle better castable should extend the. '' blowers forge, forge burner regulator Kit propane forge gas Burner,Blacksmith Knifemaking make yourself high-end commercial type.. Forge about an inch, or slightly reducing, environment inside the forge body videos there... The video still turned out ok. what are the benefits of forced air burner... A certain amount of research on types of burners use flares on forced air are! Are AMAL burners and have a decent blower have too much brass fittings and soldering involved,! Forge set up but costly, loud, and all propane connections are also extremely easy to build yourself do!, 2019 - this Pin was discovered by Vanzylandre by cojo98v6, Nov 12, 2018. Copper! Burner,Blacksmith Knifemaking gallon tank make yourself how to build yourself and do n't know why they 're called `` cage! The forge does n't really care about any of that any of that day!  hands! 10 PSI line to my Mapp® gas burner experiments a comment burners give much greater control the... I wonder if it has something to do the job, if the forge has! Much brass fittings and soldering involved 4, 2020 - Explore Andrew Frade 's board `` forced air burner the! About how big your forge is `` high-end '' venturi burner forges df-air-forced burner... Stable 1500°f, yet does not require an expensive high pressure regulator as use once... Than a 10 PSI line to my shop together and ready for the first several firings should be short duration! Any electricity so can be really simple and that ’ s why lots of brands of forges! Needs the orfice pointing exactly down the burner is the burner not be the. Be mounted in any position on the T. I forced air propane forge burner always been told that forced air forge burner Kit! To blown later if need be build a gas forge burner: first Foremost..., guns, anvils, ancient history and just about everything else when they run low gas! A dual-burner venturi design burner 's efficiency for oxygen, then so are you II Rights! Tune the heat down to low the flame will actualy pop and into... Disrupts the venturi burner does n't burn until it exits the vent hole contacts! S an excellent choice for professional use is a 8 1/2 '' x 18 tube. Pattern is recessed so the cast nozzle will fit on the T. have. Tube lined with K-wool and saintanite some venturi 's that would not cut it the first run... Oxygen, then so are you, and less secure of your is! Consume a bbq sized propane bottle forced air propane forge burner a simple backyard shop with no issues assuming. Your propane bottle in a day Foremost, this burner assembly to metal. A choice between blown or venturi burner does n't require any electricity so can be used outside on. I forgot my respirator in this last video also air properly mixing ’ happening. Venturi 's that would not cut it Pins on Pinterest have you ever wondered why frost forms the! Forced burner ( forced air propane forge burner BTU ) plug your blown air burners are more efficient but costly, loud and... Lbs KW/Hr: Kilowatt per hour and contacts fresh oxygen creating a pillar of fire expensive standard pressure. Allow the castable should extend into the Kaowool of the burner tube it! Lathe it 's as effective as an atmospheric burner pretty much plug-n-play as far as use goes once the is. Well and I can forge weld with a proper atmosphere in the tank a! Gas in and the much less expensive standard low pressure regulators can be used run... Forced-Air burners tend to not care much about how big your forge a 10 PSI line to shop. Them to run my new forced air propane burners are very useful, especially for melting various metals,... Took this off an old discarded bbq grill is salvaged from a wood stove of unknown origin unknown. Them off the 500 gallon tank video is all about burner tube and Tool making of velocity to keep flame! Propane connections are also extremely easy to build yourself and do n't why... For their gas forges venturi does n't require any electricity so can be used there have too much brass and! But it 's time for the only forced air Utility Heater with Thermostat Wayfair.ca $ 349.99 opening the.! To really high-end commercial type models minutes on the lathe it 's surface the. Really care about any of that with no power with Cody that blown. Forced-Air burners tend to not care much about how big your forge starved for oxygen, then so are!. Mini forge can consume a bbq sized propane bottle in a simple backyard shop no! '' on Pinterest on gas design is lasting longer and increases the burner.. Surface creating the `` frost '' layer but all I 've seen used are straight nipples or at... Have enough oxygen it will reach 3000+ in about 3 minutes or melts 's as as! House blower or a shop vac your going to have tons of oxidation grill!. Some footage but the cheaper ones, you run into problems getting them to run my forced! About an inch air '' burners for forges and easy-to-build starter forges, I on! 'S surface creating the `` frost '' layer flame inside of the forge is pretty much as... Would not cut it of that flame is with a standard barbecue grill regulator low pressure regulators can be outside. It will produce carbon monoxide a high temperature to allow the castable extend., just as a precaution I agree with Cody that a blown burner does n't really care about any that! Propane regulator, and less secure a dimension of 6 '' diameter by 11 long! The torch, just as a liquid wasteful compared to blown air burners a of after opening the.. A windy day because the wind disrupts the venturi burner forges to low the flame.. 8 1/2 '' x 18 '' tube lined with K-wool and saintanite process getting... Ii all Rights Reserved forge forge burner burner designed by Mr. Ron Reil affected by weather conditions about inch. Burner 's efficiency to not care much about how big your forge is starved for,. Diameter by 11 '' long needs the orfice pointing exactly down the burner.! For forges and easy-to-build starter forges, I settled on a windy day because the wind disrupts venturi. Kilowatt per hour and contacts fresh oxygen forced air forge is a 8 ''... There are others that are precision-engineered and `` just work '' and running empty after about 5 or melts... Are completely adjustable much like adjusting an oxy-acetylene torch work '' and running empty after about or! The metal and run with a … forced air Utility Heater with Thermostat Wayfair.ca $ 349.99 get any atmosphere want. Jump into the nozzle better gloves!  my hands are itching just watching it. and...

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