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Summary

The first session of last year’s Permaculture Technology Jamboree with Alan Booker, Chris McClellan aka Uncle Mud, Opalyn Rose, Samantha Lewis, and Beau Davidson comes to a close, with the next session due out shortly.

With the previous 6-inch “stubby” J-tube design, if it was scaled up to a full-sized 8-inch version of it, then yes, it would heat up faster but the actual oven part would be too far up in the air to be useful.  So in the new design, they’ve put the kiln on top of the burn tunnel and below the riser.  It even managed to get hot enough to use as an impromptu forge by putting bits of metal over a slit in the kiln to heat them up!  So variations that can be hooked up to either a “sword-forge” to heat metal for forging or a full-blown crucible for liquefying aren’t far off, although the ones Paul bought in didn’t get tested due to the hot tub being stubborn.  Hopefully this’ll get seen to at this year’s PTJ.

Thanks to Montana’s damp nights, you really want to finish drying whatever you put in a solar dehydrator in one day, so the new rocket-boosted one has both a steeper face to collect more sun when the sun is lower in the sky, and full of rocks to help retain the collected heat and thus dry the contents some more.

Opalyn led the group that made a mini-greatwheel style spinning wheel out of bicycle parts (the old Appropriate Technology course would be proud).  The result is a hand-powered wheel made out of just one bike, although it’s possible to add a foot treadle either later down the line or on the next iteration.  This style of spinning wheel benefits quite a lot from the light weight of a bike wheel, and although weights could be added to give it more momentum, Opalyn likes being able to start, stop, and reverse the wheel when loading it.


Relevant Threads

8-Inch Portable Modular Rocket Engine with Forge, Crucible, and Kiln Attachments
Rocket stoves forum

Free Heat Movie
2023 Permaculture Technology Jamboree website

3D Plans - Solar Food Dehydrator with Rocket Boost
Solar energy forum

PTJ Event 2022 - Spinning Wheel from Bike Parts

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This podcast was made possible thanks to:

Dr. Hugh Gill Kultur
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COMMENTS:
 
pollinator
Posts: 2163
Location: Massachusetts, 5a, flat 4 acres; 40" year-round fairly even
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So exciting to have new podcasts!  I think the ceramics breakthrough will help a lot of people.


Updates on the pond? is there anything in there now? how many days of horses approximately did it take and how big is the pond?  
 
gardener
Posts: 3836
Location: yakima valley, central washington, pacific northwest zone 6b
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I love how creative, dare i say innovative, the ptj gets!

It's super neat to hear from the instructors perspective on everything
 
What did you do today to add joy to the world?
FREE Perma Veggies Book! - Learn how to grow the most delicious and nutritious food with the least amount of work.
https://permies.com/t/238620/perennial-vegetables/FREE-Perma-Veggies-Book
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