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  1. PROJECT UPDATE (10/13/19)

    Nothing substantial to add. I did receive the parts for rebuilding the furnace. However, it will be a couple weeks before I can start. I will be busy off and on harvesting and processing cactus fruit for making my brandy. I hope to get about 150 pounds of fruit this season.

    With respect to the furnace, there are some interesting results from my very limited testing. At this point I have only fired the furnace twice. On two occasions the furnace failed to start. The first time it ...

    Updated Today at 04:12 PM by buenijo

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  2. PROJECT UPDATE (10/11/19)

    I am busy this weekend, so I won't be able to work with the furnace. However, I did buy another steel pail and some larger square steel tubes. I have decided to build another furnace with larger fuel gas and air transfer ports. I believe I can build it in a single day. There are a few reasons I want a new furnace:

    1. The ports were too small and I believe the output suffers for it. I will also be enlarging the air supply holes in the base of the furnace. I hope to increase the draft ...

    Updated 10-11-2019 at 01:38 PM by buenijo

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  3. PROJECT UPDATE (10/09/19)

    I replaced the furnace seals with fiberglass rope and fired it up. No luck. If anything, it leaks more smoke than before. I have another alternative to try. If this does not work, then the only solution I know is to start over using a steel drum with a locking ring. I need to make another furnace anyway, so it is not a terrible loss. However, I would like to rack up some time testing the existing furnace before spending more money. I will let you all know what takes place, but know it will be a ...

    Updated 10-10-2019 at 06:48 PM by buenijo

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  4. PROJECT UPDATE (10/08/19)

    Not much to add. I did order seals for the furnace. I will also share another configuration I have considered. A vertically oriented combustion chamber induces significant draft. So, in principle, it is possible to do away with the blower fan. However, the steam generator would present more obstructions to gas flow and change the output, so it is really too soon to know if this will be viable with my design. I tend to think it's a reasonable prospect based on the performance of rocket mass heaters ...

    Updated 10-08-2019 at 07:19 PM by buenijo

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  5. PROJECT UPDATE SECOND TEST RUN (10/05/19)

    The cheap materials I used have reared their ugly heads again. I fired up the furnace again. I got the combustion chamber ignited as before. There was NO smoke from the combustion chamber as before. However, the seals on the furnace and hopper lids are not designed for the high temperatures under these conditions. So, they are failing. This was apparent by smoke escaping from the seals on the lower furnace and the top lid of the hopper extension. So, I need to source some seals for these lids that ...

    Updated 10-07-2019 at 10:30 AM by buenijo

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