Andy Man wrote: steel doesn't disintegrate as easily as your saying , the melting point is 2,500 degrees F i doubt im reaching 1,500 in the burn chamber .
Rick Frey wrote:My is too hot now to get a piece of copper deep into the burn tunnel, but tomorrow night, I'll test it out. If I can do some serious damage to a copper pipe (melting temp for copper 1983 degrees), will that satisfy you regarding my internal temperatures?
Rick Frey wrote: is there any other concern about not having much space between the exterior of the heat riser and the barrel?
the air is making it through the ducts and out the chimney no problem
Rick Frey wrote:is there any other purpose the barrel serves?