[papercreters] Re: PC and rocket stoves

--- In papercreters@yahoogroups.com, "Richard" <richvollnogle@...> wrote:
>
> Has anyone used papercrete to fill between chimney's in a rocket stove? I was going to experiment with small Stoves and see how well it would do vs the perlite etc. Any response would be appreciated
>
From the little experience we have had: One time we were drying out some experimental papercrete bricks next to our wood stove (it was snowy outside). One tipped over really close to the stove and began to smoke so I took it outside. The next morning all that was left of the brick was a small pile of ashes and a brownish smudge where I had leaned it up against the aluminum siding.
About insulation in a rocket stove--for the last two years we have used a rocket stove in the 12-sided, 32' diameter off-grid home we are building. We have found that wood ash is very good insulation, and can be collected from friends and family who have "traditional" wood stoves who generally end up with lots of ash. (By the way, from our experience rocket stoves get so hot that they will burn out normal stove pipe metal, crack terra cotta chimney flue bricks, and if you use heavy duty metal well casings make sure there is nothing heavy pushing down on one side or it will re-shape them.)
On a side note, if you are interested in an alternative solution to the t-pipe some people put in their rocket stoves to make a fire in to start the draw, ask us about our serendipitous experience with a "whirlybird" (also cuts down on backdraft) :P



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