[Cob] Simple way to make biochar in your Earthen oven, rumford fireplace, masonry heater, etc.

[Shawn King]

Hi folks, here is a simple way to make biochar, takes 90 seconds to
put together, no changes to your existing oven or fireplace, see
http://shoveltech.blogspot.com/ for details!  Happy Earth Day!

Shawn ;)

On Wed, Feb 9, 2011 at 11:37 AM, Shawn King <sbkingster at gmail.com> wrote:
> Following the recent thread, I felt it was time to try and put something up
> about my own experiments, as there is obviously lots of interest in making
> earthen ovens more efficient and/or cleaner burning.  I love reading about
> all the tinkering that is going on out there, the cob equivalent of garage
> startups!
>
> My “rocket door” retrofit is simple, made of earthen materials, will make
> for cleaner burns, and
>
> -> You can add it to any earthen oven without modifying the oven!
>
> -> I have been using this with my earthen/cob oven with great results,
> tested and working!
>
> -> You can make it yourself with materials you have around in a few hours
> spread over several mornings.
>
> Only three parts, none of them moving, all made from earthen materials.
>
> I created a blog spot with photos and detailed directions,
> "shoveltech.blogspot.com" for this and other experiments I am working on.
>  When it comes to solutions, I am strongly biased towards cheap, simple,
> local, natural, and fast. Here are the exact addresses for the pages with
> instructions and photos.  Enjoy!
>
> http://shoveltech.blogspot.com/2011/02/simple-retrofit-to-make-your-earthen.html
>
> http://shoveltech.blogspot.com/2011/02/more-rocket-door-images.html
>
> http://shoveltech.blogspot.com/2011/02/and-yet-more-rocket-door-images.html
>
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