To purge it I drilled two 1/2" holes on each side of the valve. The forge I have been using for the last 1 1/2 years is based on Indian George's design. Please be careful when working with gas. There are two types of burners available for a gas forge – Venturi and Forced Air. Consulting & Design Service The only real pitfall to the horizontal forge configuration is the inevitable hot spot created at the entry point of the burner. I can't give you specific details because I have only built venturi type burners myself. Whether using natural gas or propane, power burners are not affected by weather conditions. First off, thanks to everyone who has responded to me in the past. 8" diameter x 13" Long Horizontal Tube Forge with Forced Air or Venturi Burner The horizontal forge is a popular configuration due to the longer heat chamber, which simplifies the heat treating process somewhat for longer work pieces. One of the main advantages of Venturi systems is operation without electricity. If you don't know what you are doing, find someone who does. Many potentially expensive mistakes can be avoided by asking a few questions. Jul 14, 2016 - whitch burner is to prefer and why is it so? How tight is the seal between the venturi burner and the heat exchanger? of line pressure. With natural gas, ¼” seems to work well for me having 2 lbs. Saved from bladesmithsforum.com. How is combustion achieved? Their high volume and long flame length help to produce more even firings. The forge itself can be made in any configuration…pipe, tube, fire brick or just about anything one wants to heat steel in. With my burner design, the forge environment should meet that requirement if you use a #57 or #58 jet diameter. A coupling in the burner! Twenty calls a day like this, and we don't get orders out or equipment built....so we charge our usual per hour rate with a $25.00 minimum. Saved by emilio. The forge's atmosphere can be adjusted by twisting the upright pipe, which varies the amout of air sucked in. Cold clear nights. Metal Art . A steel housing is much better. I'm just starting out in this, and such as it is there are very few "turn-key" solutions, or at least not ones I can afford. Thanks again. But most people seem to find making one for themselves too complicated. B-5 Venturi Burner [SHIPS MFG] $384.90 This burner is 21” long and will produce between 58,700 to 649,400 BTUs depending on the gas pressure, type of gas and size of orifice. Aug 11, 2011 #1 Hi again, I have now made a forge to do my forge welding but I have som trouble with the fine tuning of my burners. we can provide you with information or be available, by phone, to walk you through any problems that may arise. Higher pressures reduce efficiency, but provide more flexibility than the set, high end, output of power burners. NOTE: Natural gas hook up involves many variables. DF (Air forced) Gas forge burner (air forced) DF is intended for large forges and furnaces. The inducer blower pulls air into the burner but they also seem to operate on the venturi principle. The soft roar of the kiln. Remember, this charge is applied only to folks that have no plans to order equipment from us. There are times though when you may need more help. Jul 26, 2018 - Explore Dale Mason's board "Venturi burners", followed by 256 people on Pinterest. Forced Air vs. Venturi Burners 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. Venturi: These burners are best when used with LP, but work well on natural gas in small kilns or with an adequate number of burners. Because all primary air is supplied and mixed by the blower, power burners can be more efficient. Also, power burners do not need chimney height to create draft. These burners do not rely on the action of the gas and chimney to pull primary air into the burner. I have worked with forced air forges, just never built one. I still am running a burner I bought from Art Anderson 12 years ago when I built my first forge. We can supply you with burner specs., listed approvals on burner components, and other information to help you over the approval hurdles. Jul 14, 2016 - whitch burner is to prefer and why is it so? Please consult with us if you have any questions. Friends brought together by the excitement of making pots. As a rule of thumb, natural gas should be introduced into the air line at a distance of at least nine times the diameter of the supply pipe. The chimney needs only to be high enough to remove flue gases from the kiln building or shed. I'm using one now to connect my pvc hose from my blower to the top of my burner (so I can disconnect and put it on the charcoal one.). 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. With proper safety equipment and installation, these problems can be averted. whitch burner is to prefer and why is it so? forced air vs. venturi? While this thing looks completely overbuilt, it's just to allow enough airflow through to use very little gas. We believe this service can save you both time and money. Unlike most natural draft burners, power burners will allow true oxidation firing in a gas kiln. All of our products come with technical assistance. I drilled a hole in an exhaust pipe from Autozone, bent a piece of 1/8" copper tube to go into the hole and then point down the tube, hooked it to a high pressure propane reg. Getting a forge built can be challenging so don't be afraid to ask questions, I certainly had to. When the water came to the top it was purged. If you would like a catalog, send me your mailing address. So, a 2” pipe times 9 equals 18 inches minimum from the burner. The ribbon burner can easily be built from materials found in most shops or obtained locally. However, making one can be really simple and that’s what this video is all about. Thanks a great idea... just wish I'd thought of it. 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. This is a BRIEF answer, If you need more info, feel free to give me a call. The available pressure, length of pipe run and the number of turns, pipe size, and the meter capacity all affect the amount of gas that can be delivered to the kiln. Pottery can be a large part of your life but, you don't want a life that revolves around a kiln schedule. The air induction ports are long milled slots, providing the necessary cross-sectional area to allow the burner to draw in all the air that its advanced design is capable of. - May (but probably not) require some tuning for your particular forge, but it's easy to do! 2" of wool and I've gotten it up to welding heat but not consistently. Atmospheric burners are easier to make but a bit fussier to set up. It’s an excellent choice for professional use! Have you been deceived? Since there are no blowers, Venturi burners run quieter under low pressure than power burners. This website uses cookies for functionality, analytics and advertising purposes as described in our, Primal Fires - Forging Metal in the Tradition of our Ancestors. Then I got the garden hose and filled the tank using one of the holes and the other was the vent. Maybe the commercial venturi burners can do a better job, but from my understanding the forced air style are much more efficient. Most of the blacksmiths use the Venturi burners for their gas forges. The voices in my head may not be real but they have some great ideas. Venturi VS Blown Burners - One Man's Opinion (Portions of a letter composed in 2002 by Ron Reil with minor editing) The burners now available of the Venturi design, both to build yourself and to buy through HybridBurners, are light-years ahead of those available a few years ago. See more ideas about forge burner, gas forge, propane forge. The valves allow for a greater degree of control that I ever had with the venturi. Natural gas @ 7" WC produces 78,440 BTUs. Although generally not as efficient as power burners, they may be turned down lower for preheating. Forced air propane burners are very useful, especially for melting various metals. My large blower is a squirrel cage and I have to keep it closed down or there's too much air. To say the least, I am very excited about using these burners in my forges. 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