Thread: DIY Biochar
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Old 06-06-2021, 04:21 PM   #52 (permalink)
sirdoofus
 
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Location: Central Vancouver Island, BC Canada
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Default Re: DIY Biochar

Quote:
Originally Posted by cincinnana View Post
The larger burner looks awesome with the cutouts and is pleasing to look at.

I suppose you did all the cutouts with a wheel or torch?
Do you make your char for the BBQ or the garden?
Looks like a project that would be interesting for me to do.
Thank you!!

The smaller one was my first attempt. It works OK but not great....smokes way too much....not enough venting at the top or really space for more without compromising fuel space....I could add another venting chamber....but it will still only make a small amount of char at a time.

I went back to the web to refine the design a bit and then made the bigger one....it works much better. If I had to do it over again I might consider a tall cone chimney instead of the pipe.....I guess I could always retrofit it but it works well enough to serve my purposes.

Cutouts done with a recip saw and metal blade - just like butter.

Also, what you can't see in the pic are all of the holes in the bottom of the barrel. If I remember correctly I used a 3/8 metal bit and drilled about 60 holes or something like that.

I mostly just make it for the garden although I have made it for the BBQ at a friend's request. He claims it works well. I am a lazy gas griller

Super easy to do and cheap. There are a lot of different designs out there and I chose this style because it was simple, inexpensive and functional.
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