tom campbell

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since May 21, 2011
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cat trees foraging
Red Earth Farms, Northeast Missouri
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Recent posts by tom campbell

I imagine this might be a frequenly asked question: doing the math in the reward examples sounds like it's $8.33 per book. does that mean you get three (physical) books at the $25 reward level?

edit: nevermind, question answered in live kickstarter
1 week ago
Elecampane is useful for helping you cough stuff up out of your lungs.

As for the probiotics, you can take marshmallow (the herb) with them and it will help make the lining of your gut friendlier to the good little beasties.

Antibiotics saved me from pneumonia several years ago. The herbs I had in my arsenal at the time (osha root, usnea, echinachea) didn't touch it. Stephen Harrod Buhner has a book on herbal antibiotics. That's what I would reference now if I was in your shoes again.
3 years ago
I'm curious if the agroecology team has any experience working with karst? especially concerning the sealing of ponds.
6 years ago
a picture of my portable rmh made it into the rmh article! thanks, paul!
6 years ago
hey! that's my friend! I don't think he would mind being called today's april fool.
7 years ago
I suppose that's related to to more common approach of just burying hot compost/manure in a bed deep enough that it won't burn the plants, but close enough that it'll warm the bed up for growing in.
7 years ago
that's an interesting idea. hot water rises?! makes sense. With the situation I am considering, the bed is on the ground, but perhaps I'll rearrange things to try out your suggestion too! thanks!
7 years ago
I have this idea to have a jean pain compost pile heating a raised bed in a greenhouse. I would build the pile in the greenhouse, and the piping full of water that runs through the pile to be heated up would be a closed loop, pushed by an electric pump, running from the compost pile through the bottom of the raised bed, very much like radiant floor heating, and back into the compost pile. It could have a thermostat to turn the pump on and off, monitoring the soil temp, set to keep it at 70 degrees. It's not super permaculture, since it's using an electric pump (and a greenhouse, some would say), but it seems like it wouldn't take a whole lot of energy to have a pump push water mostly horizontally. I don't know if there is a pump out there that is designed to handle pushing water in a closed loop. Does anyone know if a pump like this might do the job? What does anyone think about this idea in general. If I try it out, I'll definitely report back. It'd be pretty nice to be able to eat greens from the backyard through the winter, eh?
7 years ago
So I've fired the stove three times now. The second time I did not have any smoke back. It appears that it only is happening when the fire creeps up the fuel out of the feed tube into the open air, which happens when the wood doesn't crumble and fall down with gravity as it burns. the first burn had wood in it that I put in small end down, big end up, and I think that was the trouble there. the second fire I used very uniformly sized wood.
so it is appearing that this stove works but requires a lot of attention to push wood down as necessary (at least every 10 minutes). does anyone have suggestions for how I can change something so that the wood doesn't hang up on itself or each other and falls into the burn tunnel on its own? is it reasonable to want to get to a point where I feel confident in walking away for a time from the fire while it's going on?

the feed tube is 5" by 6", and 10 inches tall, but the top layer of bricks are not mortared in, so it is adjustable in being able to slide those bricks away to make it shorter. but could it benefit from being taller? or should I have a cylinder of hardware cloth above the feet tube to funnel the fuel in? I don't have a small barrel around the feed tube as they describe in the book. is this the problem that that addresses?

p.s. is there a less clunky way to post photos? how do people do it without all the attachment info junk after?
7 years ago
I did it! I made a "portable" rocket mass heater. It is installed in my bedroom. And it works... for the most part. Sometimes it stops drawing and smokes into the room, but it starts up again if I give it a good blow.

Here are some specs: It is in a 10 foot long by 22 inches wide wooden box that is lined with aluminum foil and held three or four inches off the floor by 4 by 4s, and all of that is sitting on cement board (all of which may be unnecessary). The wooden box has a hardware cloth window along the length of the side of the mass portion of the stove that faces the room/my bed to let the stored heat radiate out more easily. It is a 6 inch system. The feed tube is 5" x 6" and the burn tunnel is only one flat brick wide. I have a thick steel pipe for a heat riser, three feet tall (which makes the whole of the heat riser 3 feet and 7 inches tall). My heat exchange barrel is an 18ish gallon barrel. I have 25 feet of exhaust pipe (not including the length of the turns) running back and forth just like paul's prototype. That piping is plain ol' HVAC galvanized pipe. And there's a monstrosity of bricks cobbled together to connect the barrel with that pipe. I'm still gathering bricks and pea gravel to fill in around the exhaust pipes. I have two t joints with caps in the exhaust pipes- one right at the beginning for cleaning out ash, and one right before the vertical turn to the outside chimney in case I need to warm up the pipes to get the draft going. The HVAC t joints and caps didn't come crimped or whatever its called so one can slide into the other, and I think my DIY job of it left too much gap because smoke was escaping out from around the cap, so I taped it up with aluminum tape for now.

YAY! Thank you, Paul, for your inspiration.
7 years ago