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Summary

Paul, Ernie and Erica continue their conversation on the Rocket Mass Heaters workshop that started in part 1. They first talk about an idea that was brought up during the workshop to put the exhaust in a greenhouse to help with plant growth. The concept is that since the exhaust from a Rocket Mass Heater is only oxygen and carbon dioxide, the latter should help with photosynthesis. However, the exhaust from a Rocket Mass Heater is not always clean, especially at the beginning of the burn when the heat riser is still cold. The exhaust at that time can be smoky, contain pollutants and the extremely dangerous carbon monoxide. In short, the exhaust can kill people and plants.

Ernie points out that such a system would be risky every time and that it would just be a matter of time before someone forgets a step and causes harm. They all agree that fermentation is a much safer way to add carbon dioxide to the greenhouse atmosphere. They then talk about the issue of having a completely closed system at small scales.

The next subject that they cover in the podcast is the timberframed outhouse that Caleb built for the workshop. They point out that it used Paul's wheely bin idea. Erica then talks about the different composting toilets they saw on their tour. She expresses how uncomfortable the bucket composting toilets make her because of the risk of reusing the buckets by mistake.

They talk about the risk associated with handling poop and different safe composting toilet designs. They conclude the podcast by all agreeing that it is better to design systems that work for people as they currently are instead of people changing to work the system.

Resources

6" Rocket Mass Heater Plans
8" Rocket Mass Heater Plans

Relevant Links

Ernie and Erica's Website

Paul's article on Rocket Mass Heater

Podcast 225 - Rocket Mass Heater Workshop Part 1

Podcast 019 - Rocket Mass Heaters
Podcast 104 - Rocket Mass Heaters with Ernie and Erica
Podcast 128 - Rocket Mass Heaters, Money, and Permaculture
Podcast 196 - Rocket Mass Heaters w/ Ernie & Erica

Underfloor Rocket Mass Heater Video
12 Rocket Stove Mass Heaters – efficient wood heat Video

Support the Empire

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To support production of these podcasts, make a donation here at Paul's Patreon page.

COMMENTS:
 
pollinator
Posts: 1528
Location: zone 7
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Just so you know, tomato seeds will go right through you and germinate with extreme vigor. Not that it's the thing to do it just happens.
 
Posts: 72
Location: Edmonton Alberta
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Jordan Lowery wrote:Just so you know, tomato seeds will go right through you and germinate with extreme vigor. Not that it's the thing to do it just happens.



came on here to say the same thing, the water treatment ponds in Kamloops are surrounded by tomato plants.
 
steward
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And now the kickstarter for the workshop DVD has started. Full details here
 
garden master
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What I appreciated the most about these two rocket mass heater podcasts were these two poignant remarks that Erica made:
-Humans are monkeys and will use things because they are useful, even if not for their intended purpose
-That we alone are not a big enough circle to handle and degrade wastes ourselves, which reached another good point that the self-flagellation of the environmental movement is not necessarily helpful or healthy.

And that second point is where I really have trouble connecting with people who see themselves as "environmentalists," because as Erica mentioned, humans are not biologically adapted for such a small loop for nutrient cycling. Okay, the connection I'm trying to get at is that I have difficulty explaining to "environmental" folk how working with Nature is possible- not just stepping back and saying "humans are bad."
 
Bring out your dead! Or a tiny ad:
All of the video from the Eat Your Dirt Summit
https://permies.com/t/106759/video-Eat-Dirt-Summit
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