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What's in your forge? coal vs coke vs clinker - quick tip - basic blacksmithing
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- เผยแพร่เมื่อ 13 ม.ค. 2018
- There have been numerous questions regarding the differences between coal and coke. Also questions about exactly what a clinker is. So in today's quick tip I thought I would discus the differences.
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When I explained Coal, Coke and Clinker at the pioneer village I'd always add "And that's what the Old Man was yelling about in the movie "A Christmas Story" when he was fighting with the coal furnace. "It's a CLINKER!!!!" I threw some lumps of clinker in my rock tumbler and got some interesting looking chunks. Made a key chain out of one, figure it was the only existing "Key Chain Clinker" in existence.
The clinkers i get from this batch of coal are brittle and fall apart, probably wouldn't make a good key chain
Thank you so much for this explanation. I've been going crazy not being able to tell the difference between coke and clinkers.
Glad it helps
I subscribed a week or so ago because you are the only source of videos I can reliably trust to give me accurate information. Finding someone reliable on TH-cam can often be mind numbingly tedious, so thank you. If I may ask a question: does making these videos hinder you from doing your forge work? I've heard that teaching helps people gain a better understanding of the thing they teach.
I know who asked that question. It’s fun how the little things get taken for granted. I watch all your videos along with big dog forge Christ centered Ironworks and some others. I appreciate you taking the time to answer the question that are taken for granted. Thank you .
As for someone like me, not having english as native language, it was good seeing what I could not put into place by words only. I do metallwork (Plate and tube construction mainly) for a living, and only dabbles in the oldschool stuff, but most videos for inspiration is in english so it was nice to get a few of the terms put in it´s right place! Thank you for all your educational and interesting videos!!!
Just built a coal forge. This video answered my exact question. Thanks.
Thanks for the explanation. I’m just trying to start and all of your tips are awesome. Great to see the Hand is getting better. Thanks.
spent all day yesterday burning steel, first use of a new batch of coke, burns a lot hotter than the last lot. Lots of hard bits in the clinkers from that!
Thank you again for yet another interesting and informative video.
Well I had some awesome coke going today, realized I needed to cut up metal and file made smaller hook for my tripods went to marry them together didn't have enought heat to finish bigger rods to finish them. I'm a begginer, and thankful for all your videos John!
Thank you for your knowledge. Very helpfull.
I just started working with coal, after making some initial smithing forays with charcoal. And I mean, literally yesterday was my first time working with it. This video is exactly what I needed to see! Thank you, sir!
If your fire is dieting down, because you went to grab a quick sandwich, try sprinkling on a handful of dry sawdust. Pat it down, so it settles to the centre of your fire pot. Then add gentle air to coax it back to glowing fire. I love this trick and it gets me in the habit of actually cleaning up piles of sawdust in the garage. :)
Good tip, I have been known to do that and will probably mention it in one of the quick tip videos.
Black Bear Forge
I keep a box of charcoal close at hand for this same reason. It perks up a sluggish fire real quick!
Now I understand! Thanks!
I’ve been forging exclusively with coke for the last two years now, and I used to clean clinkers out like I was taught. For the last year and a half, I just started burning them up instead. If they come up I just mix it in with the coke that’s already there. The goop that holds them together burns up. All that’s left is a brownish sand. The clinker breaker on my forge sifts that’s out and it ends up in the ash dump. Never cleaned out my fire pot in the last 12-18mo and put about 3-400lbs of coke through it. Seems to be working great so far. Not sure what I’m doing differently then everyone else. Maybe it’s just this coke.
I’ve used coal before and do miss how it’ll “beehive” together. Don’t miss the clinkers from it though.
Hope you don't mind if I throw this in here. Kind of a long comment on whole corn as a blacksmithing solid fuel alternative. If this isn't the place, please feel free to delete.
Just tried dried whole corn from the feed store. Slightly cheaper for me than coal ($8.75 USD/50 lbs vs. $10/50 lbs) and have to say, I'm impressed. (Probably get it cheaper buying in bulk rather than bags.)
Just a test so haven't done much with it.
Only down side I can think of is keeping the vermin out of it. A 30 gal galvanized trash can with lid should be able to hold ~200 lbs.
I also let the fire burn out like charcoal so nothing left on top of the forge for the mice.
I also did a search on FaceBook's "Blacksmithing for Beginners" on the word "corn" and found a lot of differing opinions.
I can say that the corn I used did not smell like burnt popcorn, it smelled more like roasted corn on the cob right off the grill.
There was more smoke than from charcoal but less than from coal.
The kernels did clump up as the volitles burned off just as coal cokes up and were no more gummy than coal halfway to coke.
Burn rate, faster than coal, slower than charcoal.
Unburned residue, more than charcoal, less than coal.
Fire management, similar to coal.
Reached forging temps easily, but not as hot as coal. I don't know if it will reach weld temps, but some said it will, some said it will not, may depend on type of corn.
Some say it takes more air to reach temps than coal and so forms more scale. If so, I didn't notice.
If you're interested in corn as an alternative fuel for blacksmithing, I say give it a try for yourself.
You aren't the first to mention using corn. I am getting curious and will have to give it a try.
David Thomas
Whole dried feed corn is also a fuel that I use.. Just another tool in the toolbox
Thanks for the explaination. I personally could not see the difference on screen, but the discription should help.
P.S. I can't believe there are only 40 comments on a 2 year old video.
Many fewer viewers back hen I guess.
Great info!!!!!
Finally I get a useful video
Thank you.
Thanks for the info 👍
How often do you clean your forge from clinkers?
I learned that Anthracite won't coke up, but bituminous coal will. Clinkers are mixed with gypsum and ground to a fine powder to make cement.
I've never heard of clinkercrete before. Good use for it.
What is better? Anthracite coal or blacksmith coal?
Can you repourpose clinker? Maybe crush it and mix it with some cement or plaster to make a sort of refactory material if it isn't one to absorb or give off heat?
There isn't any real practical use that I know of.
I've always used charcoal as coal isn't available in my area.I've never had a problem with clinkers,is that because I'm using charcoal or have I been missing something?
Charcoal doesn't produce clinker, but you can still get a clinker if you burn a piece of steel badly or weld with flux.
Isn't clinker what is used to make cement?
Is there any significant disadvantage in directly using coke instead of coal?
There is slightly different technique/ But Coke is a very good fuel and is available for sale as forge fuel. Very popular fuel in England
Yours is my favorite blacksmith channel. I'm just getting started and find that coal is almost impossible to acquire in my part of the world. I have found that I can possibly get anthracite shipped to me. Any tips on using it (if it can be used) would be appreciated.
Sorry, Its not something i have used much.
I'm gonna ask, what about charcoal? Is it also good as a fuel for forging?
Yes, real wood charcoal is very good, although you will burn through it very fast. But charcoal briquets are not good forge fuel.
Was that a fire outside or the forge reflected in the window?
That is just a reflection in the window.
Oxbow Farm I was thinking the same thing!
Before got into forging from survival video games and such i only kne of Coca-Cola and cocaine now i know that another one enters the fire
Is there a process for turning coal to come?
As the coal heats up the volitals are driven off leaving coke behind. This is much like turning wood to charcoal. Coal is placed on the outer edges of the fire where it can heat up and convert to coke, the coke is what is then fed in to the fire for forging. I discuss it in more detail here th-cam.com/video/INRNZTuxyGU/w-d-xo.html
Feeling a bit awkward asking where I can buy coke.
Your user name implies you're in Germany and I have no idea in that part of the world. If you're in the US look for a company called L Brand Coke. You can also have small quantities shipped from places like Pieh Tool or Centaur Forge
@@BlackBearForge Thanks, yes I am in Germany, turns out it is called "kok" here, found a 55 pound bag on ebay for about 25$ does that sound like a decent price?
Hii...I need your help can you please help me out ??
Thats a bloody load of clinker
It was from more than one clean out of the fire.
Heyyy...
I subscribed a week or so ago because you are the only source of videos I can reliably trust to give me accurate information. Finding someone reliable on TH-cam can often be mind numbingly tedious, so thank you. If I may ask a question: does making these videos hinder you from doing your forge work? I've heard that teaching helps people gain a better understanding of the thing they teach.
Welcome aboard! Teaching does help to a point. But I have found that doing mostly beginner oriented videos means I don't challenge myself to improve as much as I would like. I do think there will be a shift toward more challenging projects here on TH-cam for that reason.
@@BlackBearForge glad to hear it, I can't say that I've personally mastered the basics but it would give me a goal to strive for. I did my first forge weld because of your explanations. It really helped me get out of my head and not see it as some impossible task.