tim eden wrote:By Burn tunnel do you mean the area between the feeder tube and the riser? Thank you so very much for your help Paul.. I am all ears!
tim eden wrote:Should I use cob all around the burn chamber to insulate?
Hoser Hatfield wrote:Paul,
Any chance you think some of the issue could be the ratio of the system heat riser vs horizontal burn tunnel and feed? In the pic they look pretty close 1:1 vs the 2+:1 recommended in the book and on this forum.
Thekla McDaniels wrote: I thought I had found that the CSA of the burn tunnel was bigger than the CSA of the riser and all that other 6 inch pipe. Couldn't believe I had made that error, but at least it would have been an easy fix".
Actually, what I meant to say above was that I thought I had discovered the opposite, that the burn tunnel CSA was a lot larger than the 6 inch pipe CSA. I really DID need a break!