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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: trendal]
    #2895302 -

As an engineer I can say that would be fucking hard

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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: zeta]
    #2895362 -

I wonder if a pre-built turbine could be found and modified to work in this manner?

What about the turbine from a turbo kit?


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Once, men turned their thinking over to machines in the hope that this would set them free.
But that only permitted other men with machines to enslave them.

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Re: Living Off the Grid - Project Conception/Ideas [Re: trendal]
    #2896331 -

I was thinking about overhauling the plumbing in
my home.

the premise for the project is that I would create
a dual-piped plumbing waste system controlled
by a foot petal on the floor (or some other switch).

when you are flushing sorta-clean/light-grey water
down drains, you can engage the foot petal which
would divert that water into a holding tank.

this water would then be used solely for irrigation
around the house, possibly using some form of algae
or other biological tool to clean it up a bit.

would allow you to get dual use from your fresh
water system.

just a thought....

ps. love the sig. :smirk:


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All I know is The Growery is a place where losers who get banned here go.

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Re: Living Off the Grid - Project Conception/Ideas [Re: afoaf]
    #2896499 -

I think it's much safer to have two drain systems. You don't want a breakdown or to forget which way your drains are directed and have fecal matter getting into a grey water system. Toilets should go to the municipal sewage system or a septic tank, showers, sinks, wash machines, dishwashers (and maybe roof runoff) can go to a grey water system.


--------------------
To call humans 'rational beings' does injustice to the term, 'rational.'  Humans are capable of rational thought, but it is not their essence.  Humans are animals, beasts with complex brains.  Humans, more often than not, utilize their cerebrum to rationalize what their primal instincts, their preconceived notions, and their emotional desires have presented as goals - humans are rationalizing beings.

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Re: Living Off the Grid - Project Conception/Ideas [Re: Evolving]
    #2897186 -

definitely.

there are certain appliances/systems that
would automatically go into the sewer.

this would realistically only apply to sinks
and possibly showers.

don't get much roof runoff down here...


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All I know is The Growery is a place where losers who get banned here go.

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Re: Living Off the Grid - Project Conception/Ideas [Re: afoaf]
    #2897234 -

> I think it's much safer to have two drain systems.

That is the way my house is setup... no city water or water wells here... we collect rain that falls on the roof and save it under the house in a cistern for later use... toilets go to a septic tank, but sinks, washing machines, showers, etc all go to a grey water tank which is then used to water the plants and trees in the yard.


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Just another spore in the wind.

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Re: Living Off the Grid - Project Conception/Ideas [Re: Seuss]
    #2897875 -

huge.


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All I know is The Growery is a place where losers who get banned here go.

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Re: Living Off the Grid - Project Conception/Ideas [Re: afoaf]
    #2898211 -

Definitely not a bad idea! I was thinking of ways to get as much water recycled as possible! Would certainly make things easier if we used a dual waste system, with the nastier stuff going to a biologic waste management system (a septic tank should work) and the "cleaner" stuff being recycled much faster for use in irrigation and other non-potable uses. I was thinking of using a rain collection system, as well...something quite similar to what Seuss is using!

ps: both quotes are from the same post :wink:


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Once, men turned their thinking over to machines in the hope that this would set them free.
But that only permitted other men with machines to enslave them.

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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: trendal]
    #2898863 -

http://jnaudin.free.fr/

check out their energy production projects. some are over-unity devices, >100% efficiency.


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If you're frightened of dying and you're holding on.you'll see devils tearing your life away.
But...if you've made your peace, then the devils are really angels
Freeing you from the earth.

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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: Eightball]
    #2903400 -

I don't think >100% efficiency exists. I've taken a good look at a lot of those "over-unity devices" and none of them are very impressive.


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Once, men turned their thinking over to machines in the hope that this would set them free.
But that only permitted other men with machines to enslave them.

Extras: Filter Print Post Top
Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: trendal]
    #2904653 -

> I don't think >100% efficiency exists.

I did an experiment in high school and found a system that had greater than 100% efficiency... took about a year before I found somebody that could explain what was going on. I was playing with hydrogen, measure how much energy was consumed for electrolysis of water at different power levels. At very low power settings, I was getting more energy out of the system than I was putting in. Turns out that the electrolysis of water is an endothermic reaction at low power levels and the extra energy was actually the heat being sucked out of the air around the experiment... as Trendal said, there is no >100% efficiency... otherwise we could create energy from nothing.


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Just another spore in the wind.

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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: trendal]
    #2904847 -

what do you think would be the best way to harness geothermal energy? i am looking for something me and a few mechanically minded friends could build.

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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: trendal]
    #2907555 -

trendal said:
I wonder if a pre-built turbine could be found and modified to work in this manner?

What about the turbine from a turbo kit?


The biggest problem would be designing/building/certifying a system capable of handling the steam pressure required to get a decent power output
A turbo is a radial flow device, steam turbines are always (AFAIK) axial flow with at least a dozen turbine discs.
I am still looking into this option  :wink:

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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: automan]
    #2907563 -

automan said:
what do you think would be the best way to harness geothermal energy? i am looking for something me and a few mechanically minded friends could build.


You could get shaft power from a Stirling cycle
Or get lots of heat using a heat pump
Or even just use a heat exchanger

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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: trendal]
    #2924492 -

This thread is very excellent. This reminds me of Buckminster Fuller's Dymaxion House which was supposedly super efficient and cheap. He also had a shower design that used something like a quart of water for a 10 minute shower through the use of a super fine mister.


--------------------

Edited by chunder (07/24/04 08:31 PM)

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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: chunder]
    #2933773 -

I've had a yearning in my bones for a home like the one you guys are planing. The most inovative ideas I have seen yet are the earth ships! These things can be as simple or complex and beautifull as you like.

I see a home like the earth ship as a way to escape the traps society has imposed upon us. Once it's built, it pays for it's self!

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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: entheoindole]
    #2934258 -

Those are damn sweet!

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Re: Living Off the Grid - Stage 1: Project Conception/Ideas *DELETED* [Re: trendal]
    #2953584 -

Post deleted by poke smot!

Reason for deletion: x


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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: trendal]
    #2953756 -

I recently heard about a guy who lived by a busy freeway... he used a 55 gallon drum imbeded in the street attatched to a generator. Always had enough power to sell back to the city.

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Re: Living Off the Grid - Stage 1: Project Conception/Ideas [Re: poke smot!]
    #2953791 -

poke smot! said:
... you use water to power your house then you can sell electricity back to the power company.


Can you please elaborate on what you mean by 'use water to power your house'?


--------------------
To call humans 'rational beings' does injustice to the term, 'rational.'  Humans are capable of rational thought, but it is not their essence.  Humans are animals, beasts with complex brains.  Humans, more often than not, utilize their cerebrum to rationalize what their primal instincts, their preconceived notions, and their emotional desires have presented as goals - humans are rationalizing beings.

Extras: Filter Print Post Top
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