Julia Winter

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since Aug 31, 2012
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Julia Winter currently moderates these forums:
Pediatrician with a Master's Degree in Nutritional Sciences. Moved to Portland, Oregon in the summer of 2013. Took Geoff Lawton's first online PDC in 2014.
Moved from south central WI to Portland, OR
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Recent posts by Julia Winter

I'm aware of quite a bit of emissions data being collected on rocket stoves, showing that they are much, much cleaner than almost all stoves out in the world today.  Peter van der Berg (sp?) has the equipment and has brought it to multiple innovator's events at Wheaton Labs.

Now, I don't think you can remove the toxicity produced when burning toxic wood, at least not elemental toxicity like arsenic or lead. . . . A well built rocket mass heater is incinerating the fuel, not just burning it, so most hydrocarbon toxins would be wiped out, but elements are elements, at least until you put them in the nucleus of a star, or something similar.
1 day ago
When you are logged in, click on the link up at the top that says "My Stuff," right next to "Logout."  That should take you to a list of all the digital things that are yours.
I'm curious to hear how much ends up being skimmed off the top by Kickstarter. 

Do they take a smaller percentage for the "Quickstarter" type campaigns?

Back in the day, you'd have to find a deep pocketed individual or organization, like a bank, to front the money you needed to pursue your dream, and those folks would certainly take a substantial cut of any profits, so it's not like Kickstarter is bad.  They are performing a huge service.  I'm just curious how much they take. 
1 week ago
Ah, I haven't seen a ceramic blanket as thin as that!

It's a big world out there.
1 week ago
OK, well the original question was about pipes with a 4" diameter.  I don't think you can create a useful riser shoving a fibre blanket into such a small pipe. 

When you said the blanket protected the pipe, that sounded like the blanket would be on the inside, but I don't think there's room in a 4" pipe.  This is why I asked my question.

Having the blanket on the inside would require a pretty good sized clay pipe, maybe twice that size?  Like, 8" across on the inside.
1 week ago
OK, so the recipe is:

-fill crockpot with sliced onions and fat
-run on high (with the lid on) until onions are translucent
-switch to low and take off the lid, run it overnight on low

Am I right?  I figure you could vary the fat depending on what you have and what you like.
1 week ago
? is the fiber blanket around the outside of the clay pipe, or somehow inside of it?
1 week ago
There's a Portland Permaculture Group email list that might help you find a home for the hens - are you getting that?

I'm trying to remember how I signed up.  The emails always have [PPG] at the start of the subject line...
1 week ago
The heat riser was built of half bricks and then wrapped with the fire blanket stuff (which was then wired and wrapped in chicken wire).  You can see it in his first post - dry stacked.  The pictures of building it with clay slip mortar are about halfway down the first page, on my desktop.

Did you insulate your heat riser?  What did you use?   (It's possible the original metal is gone but your "insulation" has hard-fired to the point it has structural strength on its own, if you used something like perlite in clay for the insulation.)
2 weeks ago
If we want to ask Kate a question, do we ask it here or (I think better!) post it in the "goats, sheep and llamas" forum?

[To post a question, click on "goats, sheep and llamas" at either the bottom or top of the page (desktop view) and then "new post" at the top right of the forum page.]
2 weeks ago