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The recap of last year’s Permaculture Technology Jamboree continues with the second batch of instructors (Samantha Lewis, Michael Otten, Jim Juczak, Austin Durant, and the late arrival of Jacob Wustner) and what they taught.

One project for this year is to give Bob (a hunk of wood suspended between the berm shed, the shop, and a tall tree) a new cousin suspended from a massive pole in the ground on the other side of the shop, then give him new, different forms of shade to hold on to.  Current suggestions include used payload parachutes that are typically only used once before being de-rated (to be fair, you really don’t want a parachute of any sort to fail), and used billboard tarps, although those often come with conditions and/or have to be bought now.

The gang’s been playing with some aluminium troughs they’ve got in and made a sort of kiddie pool with them for cooling your feet off in hot weather, then cycling the water to keep stuff from growing in it.  The latest upgrade was to hook up a solar panel to a pump and plum it into a fountain to sort water some plants in the area.

Despite his hopes to preserve a full million calories over the course of the PTJ, Austin only managed to get to around 200 000, parcially due to overestimating how many extra hands he’d have, even with both normal solar dehydrator and rocket assisted one.  Both managed to perform about equally, which bodes well for the rocket assist as it’s been optimised for later in the year than the regular.  The size of the new dehydrator certainly didn’t hinder their progress, as he managed to get whatever he wanted in there along with several other people’s drying projects at the same time.
summary here

Relevant Threads

2023 Permaculture Technology Jamboree website

Wheaton Labs forum

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

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133 hours of video: the 2017 Permaculture Design Course and Appropriate Technology Course
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