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<DIV><FONT size=4>Like a barometric damper?</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=crispinpigott@gmail.com href="mailto:crispinpigott@gmail.com">Crispin
Pemberton-Pigott</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=stoves@lists.bioenergylists.org
href="mailto:stoves@lists.bioenergylists.org">'Discussion of biomass cooking
stoves'</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, June 14, 2013 5:37 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [Stoves] Chimneys, rice
husks</DIV>
<DIV><BR></DIV>
<DIV class=WordSection1>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt; mso-fareast-language: EN-US">Well
said Lanny<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt; mso-fareast-language: EN-US"><o:p> </o:p></SPAN></P>
<DIV>
<P style="punctuation-wrap: simple" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 14pt">></SPAN><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; FONT-SIZE: 14pt">A draft diverter
is small enough to heat with a small stove and create enough draft, but does
not add draft to the stack below the draft diverter. If the upper chimney
section it too hot and has more draft than the lower chimney the upper pipe
draws in some room air through the draft diverter. <o:p></o:p></SPAN></P>
<P style="punctuation-wrap: simple" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; FONT-SIZE: 14pt">Draft diverters
also help with win<SPAN style="COLOR: #1f497d">d</SPAN> blowing back down your
stack.<o:p></o:p></SPAN></P>
<P style="punctuation-wrap: simple" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P style="punctuation-wrap: simple" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">We
are experimenting in Indonesia with draft-operated buoyancy balancers to limit
the pull to the ideal even when combustion conditions change in the large wood
stoves. They are easy and cheap to make. They are mounted on the side of the
stack of all oil furnaces.<o:p></o:p></SPAN></P>
<P style="punctuation-wrap: simple" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P>
<P style="punctuation-wrap: simple" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">Regards<o:p></o:p></SPAN></P>
<P style="punctuation-wrap: simple" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt">Crispin<o:p></o:p></SPAN></P>
<P style="punctuation-wrap: simple" class=MsoNormal><SPAN
style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: #1f497d; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></P></DIV></DIV>
<P>
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