
02/05/07, 07:57 PM
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Join Date: May 2006
Location: Washington
Posts: 16
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WOW Deja-Vu !!!
After 20 plus years of using the same most wonderful wood heating stove we made some changes this past summer including 14 feet of 8 inch single wall smoke pipe all out side AND a new cabin exposing us to the prevailing south winds common with our mid to late winter storm fronts. Two weeks ago we had the same problem, first time in 20 years. First of all , listen to all the previous posters, I can tell they have been there and done that, and especially Cabin Fever. Our theory is that it is a combination of low air pressure/cold temps (-23 when ours smoked) which would cool the outgoing flu gasses faster and lessen draft. Our fix was to build smaller hotter fires when it smoked on us and draw straws or take turns babysitting all night, also open a window which worked most of the time but not dependable enough to go back to bed. For a permanent fix we will do insulated pipe outside OR bite the bullet and go straight up inside with triple wall pipe, chopping a hole through our high dollar new metal roofing  and eliminate the two elbows I needed to go out the wall and up. (likely part of the problem too!!) Also for the south winds, we borrowed a design from a Sun Mar composting toilet vent and attached a two foot joint of pipe 2 inches larger in diameter than our pipe to the top, lapped about 3-4 inches down and secured with screws. Now instead of the wind blowing down the pipe it blows UP through the space between the pipes and actually increases the draft. (Adjust drafts and damper accordingly !!!!!!!!) Good luck, Dave
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