I'm also fascinated by this. I've read about a similar setup where instead of a windcatcher driving the airflow it's wood being burnt near the top of the air ch

I'm also fascinated by this. I've read about a similar setup where instead of a windcatcher driving the airflow it's wood being burnt near the top of the air channel. I can't recall who used this though. If anyone has some keywords or links, I would appreciate it.