Douglas Clayton has updated his video about making Biochar in the Jolly Roger Oven.
He has a bit of help from Hugh (making jokes about steam activating the char). It's a great video, well worth the watch.
If you are new to the Jolly Roger Oven, Doug has more detail in his first video
more about the the line of thought behind the Jolly Roger biochar method can be found here:
For those of you in New Hampshire, Doug Clayton and Intuitive Biochar is in Jaffrey, NH 03452