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I posted this over in Homeroasters.org but as some interested aussies may not visit over there I have started a thread here as well,
Well after many years faithful service and hundreds of Kilos roasted, its time to upgrade from the KKTO. I simply cant keep up with the increasing demand for my coffee.
I looked around at commercial machines in the 3-5KG range but its a massive outlay and after discussions with Paul from KKTO I decided to make a 2.3kg fluid bed roaster along the lines of RoasterRob's NZ designs that have featured in threads on Homeroasters.org.
Mine will be mild steel rather than stainless, it features a Duran Glass roasting chamber - 500mm by 150mm and will be fired by a Seivet Pro 86 Torch Kit which has the correct burner for this size roaster.
I am adding a chaff collector as I dont want it just spewing out the vent, I pulled an old aircleaner box out of a Toyota Landcruiser which should do the job perfectly.
I have sourced a 4" 100cfm fan, meant to be nice and quiet, a German Blauberg Turbo fan, about 36db so it should enable me to still hear the cracks.
It will pull air through the bean cooler and then blow up past the burner to fluidise the beans. I will make it with a slide gate to dump the beans.
I am also constructing a feed hopper to go on the side of the steel section above the roasting chamber with a slide gate to load the beans.
Will provide pictures as the build progresses.
Total cost of the build should come in under $1000.
The name I made up this morning given the vertical aspect of these roasters, for anyone that has no idea what I am talking about here is one of RoasterRobs ones in stainless steel,
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