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<body class='hmmessage'><div dir='ltr'>Dear Lanny,<div>Normaly, a ND gasifier have no air controls, doors, ports etc.</div><div><br></div><div>The only opening is at the top of the fuel chamber and the channels between the inner and outer cylinder, which are fixed. </div><div><br></div><div>Just fill up the inner chamber and lit from the top and everything is just NICE.</div><div><br></div><div>Have a nice weekend.</div><div><br></div><div>Otto <br><br><div><div id="SkyDrivePlaceholder"></div><hr id="stopSpelling">From: lannych@bellsouth.net<br>To: stoves@lists.bioenergylists.org<br>Date: Sat, 13 Apr 2013 12:18:48 -0400<br>Subject: [Stoves] Design challenges for biomass fired appliances.<br><br>
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<div><font size="4"><span lang="EN">
Design challenges for biomass fired appliances.<BR>
Affordability, functionality, and durability are just a few challenges.<BR>
Another design challenge for stoves is the various openings and how to
close them.<BR>
Openings and closures are used for, combustion air controls, doors, fuel
hatches and ports, for ash removal, and for exhaust outlets. <BR>
Openings and closures that are affordable, practical, rugged, durable and
easy to use could be useful for many different stove designs.<BR>
The stove body is the easy part. It is the openings and closures that can be
a problem.<BR>
Lanny Henson<BR></span></font></div>
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