How to Build a Forge: Making a Gas Forge Burner (minimal tools / no welder)
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- Опубликовано: 23 апр 2017
- In this video I show how to build a gas forge burner out of common pipe fittings using minimal tools.
Amazon / McMaster-Carr Parts List:
1 of each required:
Low-Pressure Pipe Fitting - Iron, Straight Reducer, 1-1/2 x 3/4 NPT Female - 44605K317 amzn.to/2Dz36GU
Standard-Wall Steel Pipe Nipple - Threaded on Both Ends, 3/4 Pipe Size, 8" Long - 44615K525 amzn.to/2DUHxyh
High-Pressure Brass Pipe Fitting - Cap with Hex Body, 1/8 NPT - 50785K161 amzn.to/2Bhyp48
Standard-Wall Brass Pipe Nipple - Threaded on Both Ends, 1/8 Pipe Size, 3" Long - 4568K115 amzn.to/2Dvdxvn
High-Pressure Brass Pipe Fitting - Hex Bushing Adapter, 1/4 NPT Male x 1/8 NPT Female - 50785K61 amzn.to/2Dw2NNc
Low-Pressure Pipe Fitting - Iron, Straight Reducer, 1 x 3/4 NPT Female - 44605K277 amzn.to/2rr8OGf
Standard-Wall Steel Pipe Nipple - Threaded on Both Ends, 1" Pipe Size, 3" Long - 44615K456 amzn.to/2G1NaLY
Brass On/Off Valve with Lever Handle, 1/4 NPT Female - 47865K21 amzn.to/2DTYsBc
118 Degree Point Short-Length Drill Bit Uncoated High-Speed Steel, Wire Gauge 60 - 8947A216 amzn.to/2FZRmvF
Optional 1 of each:
1/4" NPT to 3/8" ID hose barb: amzn.to/2FYwoNA
MIG Gun Contact Tips for Tweco Mini Number 1, 0.040" Wire Size - 78375A609 amzn.to/2G1xzMc
General Purpose Tap for Through-Hole Threading, M6 x 1 Thread Size - 8305A37 amzn.to/2Dmh9ws
Music:
George Street Shuffle by Kevin MacLeod is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/...)
Source: incompetech.com/music/royalty-...
Artist: incompetech.com/ 
Хобби
do you have a parts list for this video?
McMaster-Carr Parts List:
1 of each required:
Low-Pressure Pipe Fitting - Iron, Straight Reducer, 1-1/2 x 3/4 NPT Female - 44605K317
Standard-Wall Steel Pipe Nipple - Threaded on Both Ends, 3/4 Pipe Size, 8" Long - 44615K525
High-Pressure Brass Pipe Fitting - Cap with Hex Body, 1/8 NPT - 50785K161
Standard-Wall Brass Pipe Nipple - Threaded on Both Ends, 1/8 Pipe Size, 3" Long - 4568K115
High-Pressure Brass Pipe Fitting - Hex Bushing Adapter, 1/4 NPT Male x 1/8 NPT Female - 50785K61
Low-Pressure Pipe Fitting - Iron, Straight Reducer, 1 x 3/4 NPT Female - 44605K277
Standard-Wall Steel Pipe Nipple - Threaded on Both Ends, 1 Pipe Size, 3" Long - 44615K456
Brass On/Off Valve with Lever Handle, 1/4 NPT Female - 47865K21
118 Degree Point Short-Length Drill Bit Uncoated High-Speed Steel, Wire Gauge 60 - 8947A216
Optional 1 of each:
High-Pressure Nickel-Plated Brass Pipe Fitting - Straight Connector with Hex Body, 1/4 NPTF Male - 9151K87
MIG Gun Contact Tips for Tweco Mini Number 1, 0.040" Wire Size - 78375A609
General Purpose Tap for Through-Hole Threading, M6 x 1 Thread Size - 8305A37
can that 8" pipe be reduced in size to 6"? is it critical that it is so long?
thanks
I would think 6" would be sufficient but I haven't tested it and it may not give the air and propane sufficient time to mix. Let us know how it works for you.
@@MakeStuffNation Is it critical that those smaller pieces be brass? I've been to three different places and could only find them in stainless steel, apart from the bushing.
*+Monster Bash* I wouldn't think so. I'd say you should just try it and see what you get. If it does happen to fail, then it's not an expensive loss.
Of all the gas burner vids I've seen yours is the clearest, most succinct, and easiest I have found! Keep killing it!
Thanks!
Nice, simple, practical, inexpensive... my kind of guy, thanks!
Great video, great instructions. I built one today. Had to make some minor mods because of parts my local home center didn't have (1 1/2 to 3/4). Can't test it yet because the gas valve/hose assemblies I have are made for patio cookers, but it's progress.
I'm starting to get into forging (as a 15 year old I dont have 140 bucks to blow on two burners) and this was a savior.
Check out the MK2 version which has some significant improvements and can re-use most of the parts from this design. It gets a small gas bottle style forge hot enough to weld. ruclips.net/video/BjqA4VQMpiM/видео.html
Thank you for making a video that I can actually understand and follow! Lmao. I'm going to start a foundry build post Xmas and really like the simplicity of your design! Thanks again!
I'm glad you enjoyed the video. I hope it works well for you.
Been a custom knife maker for decades and decided to go from a forced air wood forge too a propane forge. Thank you for the tips.
You are welcome. There's a link at the end to a more improved version with adjustable airflow.
Thanks for the info, I made a coal forge out of a half of a 55gal. Drum with the Paris plaster & sand and boxed in a spot for an old dutch oven for coal & fan. The other half I'm gonna try and fit it up for Oxy- Acetel. Thanx again for the idea
You're welcome!
a very easy desing with not much parts if you add a big washer on the air intake fixed with a small screw you are able to controll the air intake
You guy's are a great team!!! I just subscribed to your channel and look forward to seeing all your videos!! Blessings 😇 🇺🇸
Cool 👍🏻 Thanks for making this video. I’ll be making me one here soon
Alan was a huge help!
Add Thread Lock to your fittings! Plus when you drill into metal, use oil as a drilling lube. Makes it go easier & you don't burn out your drill bits
Thread lock ? Really ? Why? This isn't a high vibration situation, and thread lock will burn out in about 5 minutes. No offense
Can you please make a test video of the burner? Thanks!
of course.
Posted.
Thanks for making your video short, descriptive and easy to follow.
Thank you. Check out the video for my version 2 which has a much better and simpler design.
What size drill bit did you use to drill that hole for the 1/4" pipe to go thru
Thanks just made this same way you did works great!
Glad its working for you!
This orifice used is for a propane forge correct? Not a natural gas? I may have to make it bigger for natural gas if it’s not.
I’m planning on using this configuration but adding a fan upstream to force air.
Nicely done with a few parts. Some other videos they have a whole list almost hehe. I would personally not solder but use spacer and then tighten everything.
That would work very well.
When it's up and running the heat that migrates down the pipe might exceed the melting point of your solder. I've seen people drill and tap the collar so they can drive in a pointed set screw to bind the copper pipe in place. Good luck and have fun. The nice thing about using the mig tip is your ability to try .23, .30 and .35 to get the best flame. You may want to add a way to control air intake to balance your flame.
I've run this burner frequently for hours at a time and haven't had an issue with heat migration. The airflow seems to keep the intake end cool enough. Agreed about the MIG tips. I've found that smaller works better on this burner. I added an air controller on my MK2 version, check it out: ruclips.net/video/BjqA4VQMpiM/видео.html
beside great class you have great taste for music which is so rare among young generation of today . ..excellent choice ..jazz is the best thig happen on this land .
Thank you , i need to build propane furnace and will do follow this video .
Thank you!
The regular white thread tape isn’t rated for propane. The gas will deteriorate the tape over time and potentially leak. Good news is that the yellow tape isn’t much more expensive and will add an extra measure of safety. It’s also available at Home Depot/Lowe’s.
Good advice
Started watching for the burner, continued to watch because of the doggo =)
Sir, can i change 1/8" pipe nipple to 1/4" pipe nipple?
Great video, Love the dog.
thanks. he's a good helper.
Nice project. For taping, it works best if you use a starting tap and finish with a bottoming tap
m6 x 1 bottom tap would have given you a good thread also some lub for cutting
Nice job. I like hear an American say the word millimetre! This is on my list of stuff to try while in lock down.
Awesome! I have a video of an improved version with an adjustable airflow regulator you might want to check out.
I love your pic. Calvin and Hobbes was the shit when I was growing up
You had my trust when you said “Good enough for government work”
Thanks
Yup! Common phrase in the US military. By the look of the sticker on the table and the dog tag in the boot, I’m guessing he’s prior military...possibly Army.
No frills DIY. Awesome.
nice and simple, I like it
Thank you! Cheers!
what was the pressure on the reg u used? I saw the 2nd video of the burner in action but not sure what # that reg goes too.... like the design, easy and straight forward. 👍
Its a really cheap import that came with a Clarke brand roofing torch from Machine Mart in the UK. Its not labeled anywhere but I believe its 0-4Bar (0-58psi).
What size mig tip? Did you drill it to .060?
Does the propane hose screw into the ball valve or are there other fittings required to attach it?
It depends on what type of fittings your hose has. I used a hose barb fitting that the hose slipped on and then threaded into the valve.
Very helpful much appreciated
Glad to hear it!
Thanks for the video. !!! pretty cool. (npi)
Thanks for this video. Subbed.
Thanks! Check my channel listing for a new and improved version.
My local hardware store doesn’t offer a 1 1/2” to 3/4” reducer. Can I use a 1” to 3/4” reducer on both sides?
That could work. If you watch the MK2 version video you will see that I changed the outlet size. It helps it hold a more stable flame. The main part is you want a big inlet and outlet with a narrow body. It creates a Venturi effect.
Nice simple design
Thanks!
you can also use another section of pipe screwed into the reducer to hold the copper pipe in place, for those people that can't solder.
JB Weld also works from what I've heard.
Could you use a 1/8 inch tee and connect two together so that they both feed evenly off of the same propane tank?
Yes, you can do that.
Very nice! Could you force air into the venturi as well?
Yes, you could ad a blower to increase the efficiency.
Thank you
Make Stuff Nation what size is the mig tip you used? Thanks.
I used a Tweco Mini Number 1, 0.040" Wire Size
78375A609 from McMaster-Carr
The pup got to me...I'll subscribe, Hahaha, keep him it the videos...
Will do!
I followed the instructions to a tee but I dont get a concentrated flame? I didnt use a Mig tip though. Its just a rolling blue flame. Any suggestions?
You are not using the proper high pressure regulator. Regular BBQ propane one does not work, you need a 10+ lbs one
Gonna make this burner tomorrow. Nice vid. About $40 in materials 👍🏼
Awesome! I hope it works well for you.
Can you use a different size welding tip say .035?
You should be able to. It might slightly affect the power/efficiency but I honestly don't know if it will make it better or worse. Let me know how it works for you!
How did you convert ipt threads to mip? Thank you
They're close enough it just went together.
cool video thanks
I built mine using a 0.035 Tip, soldered all the joints, and it runs good for about 10 min then there is a loud BARK sound and flame moves from end of torch to a few inches from Mig Tip inside the pipe.
I have increased the air intake area but still have the very same problem.
Anyone have any issues similar to this and how to fix it ?
I think you might need to run your gas regulator at higher pressure as it sounds like there isn't enough velocity to keep the flame at the exit of the burner.
Excelente vídeo.
Thanks!
Good vid, and I’m going to make it. P.s. Alan is too cool!
could use JB weld to secure the mig tip to the cast iron in order to keep it aligned correctly... Great build..
Good tip! Thanks!
Good idea
Thanks!
Very information, and great music choice! Tired of all the looped techno in some of the other vids. I wanna learn, not go to a rave.
Thanks!
The 1 inch pipe on the end does not work well. The 3/4 -1 reducer without the pipe works way better this was with a 10lb regulator.
I'm having trouble tuning my burner, any advice? Thanks for the information
daddyrenegade sorry for the late reply but for people to help we really need more information. If you are having trouble with the gas ignition, your hole might be too big or too small, might be wrong angle etc.. if there isn’t a flow you like try adjusting you air limiter. I’m sure you’ve fixed it by now but I hope this was helpful
There are a few issues with this design that I found. You can use the parts from this and make my MK2 design which is much more reliable and easier to tune: ruclips.net/video/BjqA4VQMpiM/видео.html
Hi Alan! Who’s the good dog? ALAN’s the good dog!
I am trying to start backyard forgeing but am running into a problem. I am using a graphite crucible and even letting it heat up for 10min no melting is happening even after 15min. What ami I doing wrong?
A crucible is used for melting metal, not heating metal to blacksmith/forge. Either way, a crucible alone is not enough, you have to put it in an insulated furnace, forge, or kiln to heat it.
hey ive been watching a few of your forge videos and im about to attempt my first forge...looking to build one out of a 20# propane tank, with 2 of your burners...couple questions
can i replace the 1x3" tube with a longer one or will it mess with the air/fuel ratio? thinking of mounting those straight to the tank and then i can screw/ unscrew the reaminder of the burner housing
Also if i made 2 of these burners, connected the brass fittings with a T then the ball vavle to run both off one tank will it still work?
Lastly any idea how much heat these are through out? trying to figure out how much insulation i will need in my forge with 2 burners
Thanks and i appreciate the videos by far the best video out there ive found!
The length of tube that you use for the body shouldn't make a big difference. I would check out my MK2 version video for a slightly better design that includes adjustable airflow. Using a T fitting in your hoses to fire two burners shouldn't be a problem.
A few copper crush washers under the reducer bushing would allow you to tighten and clamp the tube so it wouldn't rotate, instead of soldering, drilling etc.
Yes, that should work well.
thanks for this video it was made simple thanks
what was the cost of everything ??
It was a while ago but i think it was about 50 bucks for parts.
great idea with the processes. how is it working for you?
Its working great. Very happy with it.
What type of solder are you using to solder brass to black pipe fitting?
The wrong kind :D
would really like to know what size hole is in that mig tip
poo why not depends on the size you buy. .042 or .032etc.
Great video! The only thing I would suggest is to switch out the shut-off valve from a water valve to a gas valve.
Great point!
Is this running directly off working pressure natural gas? Does it need to be mixed with air pressure?
Running off propane (LPG). If you're using natural gas you'll need to add a blower.
you had me with the Frenchie :D
Thanks!
I am making this and i cant get it to solder. What type of flux did you use? Mine doesnt stick.
I was using a cheap bit of lead free flux core solder I had lying around. Sorry I don't remember the specifics and I'm out of town for work so don't have access to it right now. I also had a bit of trouble getting it to stick but it would flow into the gaps so I just gobbed up enough of it to keep the part from spinning.
Before you solder you should clean the pieces with an acid or vinegar. most solder is flux core or has flux wrapped around it. And if you're using an iron clean it with Sal-ammoniac first. It should stick.
That Off the Ranch intro music makes me feel at home
Thanks for watching!
The iron pipe doesn't really need to be the exact diameter that you used, does it? Do you think that is i used a smaller diameter pipe it would make the burner more or less efficient?
You can use different diameters. The important part is the flares so you get a good venturi effect. I'm not sure how it relates to efficiency but generally the larger diameter burners will put out more BTUs.
muchas gracias
De nada!
Nice burner.. JB Weld works well instead of solder
Thanks. The JB Weld would be an excellent fix.
you didnt light it off????how are we to know if this will or wont work?
Could also easily put a sliding cap made out of, well anything, on the back that reduces the airflow and makes it instantly adjustable.
great suggestion
I actually just finished this build the other day and it screams. I ended up tapping the uncapped side where the gas line comes into the intake. Holds it extremely secure with no need for soldering. You do have to thread more of the nipple first to have enough sticking out, about half an inch or so extra.
Nice job. Just a tip, next time you tap a hole, just chuck your tap in the drill and tap away..Very easy to do, just reduce the drill speed.
Thanks. Will do.
Can you add a washer on the end to adjust air ratio?
Yes. Please check out my updated MK2 burner video for a fully adjustable version.
Nice.
Thanks!
I'm trying this out, brand new to forging. I have to ask, are there any risks involved with this build? I am a bit nervous about explosions.
Jordan Arneson buy the gas specific seal tape as propane is corrosive. Also check for leaks with soapy water or there is a specific liquid they sell to test it. Hope that wasn’t redundant information for you.
Well said.
buenas tardes diculpa de que medida es el macho de roscar
el medida de el macho de roscar es M6 x 1 (lo siento por mi pobre español)
Hey, I’ve been building something very similar to your burner for my first forge. We got everything put together last night and are not getting a clean jet like flame. It’s really long with a lot of orange at the end. I was wondering if you had any tips or pointers or things we can take a look at.
If its orange its not getting enough oxygen/mixture is too rich. It can be caused by a few things, not enough airflow (low pressure on the propane), too large an exit hole for the gas into the vinturi (slows down the flow and feeds too much gas), or the gas jet/hole not aligned properly with the body of the burner (doesn't draw in enough air). I hope this helps.
Thanks sir, were going to try a smaller opening mig tip tonight. I'll let you know if that was the problem. We are currently using a .035.
Thanks sir, were going to try a smaller opening mig tip tonight. I'll let you know if that was the problem. We are currently using a .035.
Well, we finally figured out our problem, and it wasn’t the mig tip size but rather the fact that the mig tip isn’t creating a seal in the threaded pipe. Looks like between the thin wall of the pipe and the curved nature of it that we were always getting a good deal of leakage around the base of the mig tip.
I am having a similar problem. Mine puffs at low pressure but won't allow me to increase the pressure. I think I'm also leaking around the might tip. Not sure how to get a better seal on the joint.
Tnks for info!!!!
You're welcome!
Man whenever I tap something I insert the square side into the hole of a 1/4 3/8 inch socket to 1/2 inch hex head thing and use a socket wrench with a half inch socket on it so I can just hold down and ratchet away backing it out here and there to clear debris it works so much better than the t handle or chuck type wrenches that come in the cheaper tap and die sets because you get the most consistent start without spending a chunk of cash on a decent handle a 3/8 in drive to 1/2 inch hex Stanley adapter is only like 2 dollars vs 40-70$ for a ratcheting tap wrench and all I do is secure it in the drive with a little strip on gorilla tape to make sure it stays straight while I'm placing the tool and starting it.
Great suggestion! Thanks!
Would I be able to use a galvanized 1-1/2"x3/4" reducer safely? (the end that the brass fitting goes through) My local hardware store doesn't have that size in black pipe, but has all the other stuff
Adam Jackson No! Galvanized metal gives off dangerous/deadly fumes when exposed to heat like that.
Make Stuff Nation I'm aware of that, I was just wondering if it was far enough away from the flame to be a problem
Adam Jackson okay. It would probably stay cool enough but I probably wouldn't risk it.
Make Stuff Nation Thanks for the input! I reread my comment and Im sorry if sounded snarky, that was not my intent!
Adam Jackson no worries! Good luck
Hey! Do you know the BTU/hr of this? Or, have you tried running an entire 20lb tank empty? How long did that take? Also, would it be possible to make it portable by using a 14oz propane torch bottle? I know it wont last very long at all, but do those little bottles give enough pressure to get a big enough flame? Thanks!
I made a burner modeled after this one with a couple very slight modifications and it runs about 10 hours on a 20 pound bottle.
I’m going to use your idea...... THANK YOU SO MUCH ..... Need a way to melt COPPER.... SWEET
Thank you for support! Check out the link at the end for a much improved version with adjustable airflow.
the soldered things melt if they are used in a forge
theyre used at the end of the burner, so they shouldn't get hot enough to melt but if you really are woried id recomend using some sort of wire to hold it in place
New subscribe here , thanks 😊 great video
Thank you
Can you use an 6" instead of an 8" pipe? Why or why not??? Thank you
I think you should be able to use a 6" pipe. The possible downside is that the air and fuel might not mix as thoroughly and the valve end of the burner will be closer to the forge and will get hotter.
Are there any alternatives in materials that can be grabbed?
really any sort of steel pipe can be used, just be careful of Zinc as it gives off toxic fumes when heated.
Wont the solder fail due the the heat from burner?
That end of the burner does not get hot enough to effect the solder.
Did you cut down the valve handle? Or were you able to turn it around?
I didn't need to cut it. Here's my better updated burner design that re-uses most of the same parts: ruclips.net/video/BjqA4VQMpiM/видео.html
How big does the burner hole have to be? I made it slightly larger than
the burner diameter and my burner goes out fairly quickly when I add the
lid. I am assuming that my burner hole is too small. Any guidelines?
1.25x, 1.5x, other, burner diameter?
Burner hole in my tank. Burner works great outside.
the end of the burner should fit snugly in the hole (you don't want air drawn in around it) but if you can flare the hole through the wall out to a larger diameter (2x) on the inside of the forge it helps slow the airflow and stabilize the flame.
Also, if you're not too far along with your project, you might want to check out my MK2 burner build video. You can reuse almost all the parts but it has some significant improvements such as adjustable airflow and a better/larger diameter nozzle (will help stabilize the flame)
Awesome video! Just finish my own burner, thanks to your helpfull information and tips. Thanks👋🏼 all the best from Holland 🇳🇱
Thank you! Hope all is well in Europe!
That dog is so adorable that you just want to give it a big kiss on the lips. :-)
Lol, yeah, he's pretty cute and a good helper.
Can you simply use the pipe and put the end in the foundry instead of the reducer(s) at the end?
You can easily omit the 1" pipe after the reducer on the burner end. The reducer acts as a flare to help keep the flame front at the end of the burner but you may be able to omit it too if you have it installed in a foundry as you mentioned. I haven't tried it.
Thanks! This video is the one I chose and it worked really well
If I can't find 1/8" brass pipe can I go for something bigger like a 1/2" does it make a difference?
The important part is the size of the hole that the propane comes out of. It might be possible for 1/2" to work if that's the outside diameter.
I can't find it either
m.acehardware.com/product/index.jsp?productId=29000776
Go to Lowe's or home depot and look in the plumbing section near all of the valves and toilet repair stuff.
tank u brother
Glad to be of help!
What is the size of the valve? (not the m6 thread)
1/4" NPT ball valve
Cool.
Thank you