Air Head Composting Toilet or Similar Mfg. - Page 10 - SailNet Community
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post #91 of 165 Old 05-01-2013
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Re: Air Head Composting Toilet or Similar Mfg.

I just drop in a stainless pot lid from the thrift store, over the raised lip around the big hole. Doesnt matter if you miss, it wont go in the solids. I set the lid aside when taking a dump. Simple .

Brent Swain, Boat designer, Builder, and author of "Origami Metal Boatbuilding"

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post #92 of 165 Old 05-01-2013
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Re: Air Head Composting Toilet or Similar Mfg.

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I've been following these composting toilet threads for a while now. My boat needs a toilet, and I'm convinced it will be a composting one. I'm just not about to spend almost a grand for a plastic bucket with a stirring stick. Just not gonna do it. So I guess I'll have to build one, can't be that hard. I have a few questions. In the picture above why is there a lid covering the collection chamber? If its to provide a seal why not put a gasket on the backside of the seat and the surface of the lid that mates with the seat? That would form an air seal. Second, why are these units taller than a porta-potty or a conventional water toilet? I understand the purpose of the stirring stick is to break up the solid material and mix it with the peat moss or coconut fiber.
I've used urethane foam, coated with resin for a mold for the seat and separator. I've also used a stainless mixing bowl, cut the first fibreglass dome in half and inserted a couple more inches between the two.

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post #93 of 165 Old 05-01-2013
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Re: Air Head Composting Toilet or Similar Mfg.

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I just drop in a stainless pot lid from the thrift stor,e over the raised lip around the big hole. Doesnt matter if you miss, it wont go in the solids. I set the lid aside when taking a dump. Simple .
Note to self, don't eat Brent's world famous beef stew!
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post #94 of 165 Old 05-01-2013
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Re: Air Head Composting Toilet or Similar Mfg.

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Note to self, don't eat Brent's world famous beef stew!
My boxing coach said "Brent , you have lost weight."
I said "I'm on the Brent diet. With my cooking, you have no inclination to go back for seconds."

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post #95 of 165 Old 05-01-2013
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Re: Air Head Composting Toilet or Similar Mfg.

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Yea, and how many drinks you have had! But everyone knows real sailors sit!

I really like the idea of the C-Head, just not sure if I like the home depot parts element to it. In some ways they look more finished than an air head or a Natures head, but the stirring mechanism looks a bit homebrewed. I plan on living aboard in the winter when pump-outs are not really available and I don't see taking a boat with shrink-wrap 3 miles out!
If it works, it works - home-brewed looking or not. And it does...

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post #96 of 165 Old 05-02-2013
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Re: Air Head Composting Toilet or Similar Mfg.

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My boxing coach said "Brent , you have lost weight."
I said "I'm on the Brent diet. With my cooking, you have no inclination to go back for seconds."
You have to remeber to cook the piss out of it.
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post #97 of 165 Old 05-02-2013
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Re: Air Head Composting Toilet or Similar Mfg.

The more I read about these composting toilets the more I think that for light use the same thing can be accomplished in a 5 gallon pail or bucket. Do your business, cover the skat with a bunch of peat moss, close the lid, shake and swirl for a minute. That might be adequate for short periods of stay on a boat at least.

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post #98 of 165 Old 05-02-2013
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Re: Air Head Composting Toilet or Similar Mfg.

Can someone describe the agitator mechanism for me? Does one rotate the crank 360 degrees or is it a back and forth action?

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post #99 of 165 Old 05-02-2013
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Re: Air Head Composting Toilet or Similar Mfg.

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Can someone describe the agitator mechanism for me? Does one rotate the crank 360 degrees or is it a back and forth action?

Remove stainless steel thrift store pot lid, insert stainless steel thrift store spatula or spoon in composting resevoir , while trying not to dump out the pee in the lid. Give her a few stirs in a 360 ccw direction if you are in the northern hemisphere then install the pot lid. Dip your spoon in a vinegar and water mix, let drain then sit back and think about stew.

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post #100 of 165 Old 05-02-2013
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Re: Air Head Composting Toilet or Similar Mfg.

Mmmm.........kat, that option won't fly with the admiral. She'll want something not so, ah, closely involved. Also I really don't want the "thrift store spoon" flying around the cabin or having a guest inadvertently using it as a kitchen utensil. But thanks for the suggestion.

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air head , composting toilet , head , waste odors

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