Dear Julian
Whatever the intentions are try this: make a 110 mm hole for the primary air
to come in at the bottom of the barrel, put the open barrel on three bricks.
Put a 100 mm pipe into the hole and stamp the straw around the pipe. Take
out the pipe and put a lid with a 100 mm hole in the middle and make 10-20mm
distance between top of the barrel and the lid for 2.nd air o come in.
Ignite on top or at bottom of the hole. If you need some more draft put the
pipe on top of the lid. And see what happen.
Regards Paal W
-----Opprinnelig melding-----
From: Julien Winter
Sent: Wednesday, April 10, 2013 3:30 AM
To: [email protected]
Subject: [Stoves] The Art of Using Grass Bundles in TLUD Stoves
Lanny, and stovers;
Lanny has raised a very good point about fuel moisture being released
more gradually in TLUDs vs. bottom-lit, updraft gasifiers.
In my trials with wheat straw, the fuel was very dry. If it was
moister, the results of my trials could be different. I could have
trouble starting the gas fire in the secondary air. On the other
hand, bottom lighting may not be a big problem for wheat straw,
because there is not much movement of air through the fuel -- that is
the main difficulty to be overcome.
Lanny is right that it would be best if I can get my straw to gasify
(smokelessly) TLUD style. I may be able to achieve this if I can
punch many vertical air channels in the fuel bed.
I will try that when the local weather improves.
Cheers,
Julien
--
Julien Winter
Cobourg, ON, CANADA
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