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I Forge Iron
tom_ET

Rectangular holes in my anvil?

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Hey Frosty,

Thanks for the box bellow- short intro. I read about it  but didn't go into detail as I figured the air (with charcoal at least) shouldn't be too big of an issue. 
Also I wanted to check what local blacksmiths are using. Some of them have an electrical blower a lot of them are have an assistant that makes air. They seemingly make them a lot out of wheel-tubes. But it needs double action, and stops blowing when the action stops, so my (future) manual version is going to be either a bigger bellows or the drum version might be a good alternative. 

I read though that a computer-fan might already be enough..  That sounds comparably small  (the electrical blower they were using here locally surely was more powerful and they also just use charcoal. Looks to me though as they don't even have a real hole in the ground but simply a small charcoal-heap on the ground and a pipe going into the bottom of it for the air. 
Anyhow, I was in Addis and that's always an adventure to be in Merkato (where they sell everything. Didn't have too much time and quite some money in my bag.. there also the blacksmitths are in some hidden alleys. In fact of course again I was pick-pocketed. So I did not make any "friends" yet  (to really take time and see the setup and learn from them) and I spare that for where I am living. a smaller town. I am sure there will be a few as well so I want to meet them and  see if I can learn a bit more how they work.

So I will probably try the Desktop power supply fan first. Its working on 12 V DC (would therefore be possible on any small solar system) and a DC fan can easily speed controlled. I'll probably try that one.

Excuse me if I do not want to search now around. I found a lot of times that Galvanized pipe cannot be used and is really dangerous. So that's noted but I didn't see immediately what's the reason. what happens with the zinc if getting too hot?

 

Don't think I'm gonna become a village blacksmith or commercial at all for that matter. Basically its "just another craft" worthy to learn to some extend to build stuff that you don't get so easy here. Working for others will be more in the sense of trading favors. 

But you are right with the scrap. There is hardly anything somebody else might not need so usually everything is in a way "recycled" in Addis I saw shops that concentrated on scrap springs, others on sheets of mild steel in any thickness, etc. 
Today I already convinced my mechanic to allow me to take 2 coils and to leaves. 

Best,
Thomas

 

 

 

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Look up "Metal Fume Fever"; the zinc on galvanized metal burns at a fairly low temperature (to blacksmiths) and the fumes can cause Metal Fume Fever.  Welders often get it; usually it's just a really bad bout of  sickness but it can lead to pneumonia and with other factors (like COPD) death.

Removing the zinc or keeping it from getting too hot is not that hard; but in my smithy NO galvanized metal goes into the forge!

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Thanks, got it. 

Maybe again to the limits of the Anvil. Saw them hammering here with pretty heavy sledge hammers. 
But then, most Anvils also looked quite battered.

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