first of all: english is not my mother languaje and i do my best in writing correctly but it will be many mistakes, please forgive them.
this project is about a 40 square meters automatic drip watering greenhouse for producing the main ingredients (indeed, everything but the salt, the olive oil and the vinegar) for making the world famous andalousian cold soup named Gazpacho. You can find recipes of it with ease; tasting the real thing is a different matter.
The actual machine that you will need for blend togheter all the ingredients can be found in any kitchen and is out of the cover of this instructable.
This project is also a way to get some first hand experience on strawbale / mud construction without the assle of getting permisions, fitting into building codes, etc, and at a very small fraction of the cost. The greenhouse was, and will be, the perfect excuse for building illegal legally (or something). If you get too weird in your experiment you can always claim an artistic nature, stating your effort as an sculpture. It is amazing what you must do in the "first world" for bringing back architecture to the hands of the people.
Two factor were criticals in here: water and money.
In my case, water must to be pumped from a nearby spring to a gravity tank for giving presure to the system. A full tank of 1000 liters must be enough for at least a week in the full heat of the summer, so it defenitly needs some kind of automatism for make it last enough.
This ghouse was made in Spain and in 2010 at a total cost of parts about 300€
-100€ for the plastic sheet (100square meters)
-50€ for the strawbales (very good price from a friend, maybe doubles in the complex straw market))
-50€ for the iron electronet (the kind used for concrete reinforcement in flooring)
-100€ on gas for the van to carry materials and on misc hardware.
-the wooden acacia structure was for free (for the cost of getting there with a chainsaw and cut the parasite trees)
-the plastic tubbing for the roofing structure was recicled from pieces of a optic fiber conduit found in the road. So are the door, the water tank and the parts of the irrigation system.
-an estimation of time would be around a week x 2 workers without killing yourself.
The site was a piece of unused agriculture land that i plan to convert soon (now) in a permaculture garden food forest, but this will be another instructable (a long one: such food forest takes 5-7 years to stablish, but then lasts forever by itself)
Check http://permaculture.org.au/
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Signing UpStep 1: Materials and tools
-wood for structure
-secondary structure in iron wire, bambú or plastic tubing
-clay rich mud
-plastic sheeting for greenhouse
-strawbales
-iron electronet (the kind used for concrete reinforcement in flooring)
-some chicken wire
-an old door with frame
-water supply and drip irrigation system
it does not make much sense a real list of parts due to the recycling aim behind this project: use wathever you have handy.
you will also need
-a way to get the stuff on site ( in my case a brave old Citroen C15 Diesel van with +600.000 kms)
-the usual gear for earth construction: weelbarrow, shovel, ladder...
-electric drill, hand tools
-help (for setting the structure in place and putting the strawbales in the upper rows)







































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actually, i am about to move the whole thing to another place where i am planning a permaculture forest.
and, yes,
that will be another instructable called "the world stopping machine"
good luck there in Michigan
keep us informed (make your own instructable)
brian
Erik: dont mess around with Antonio an his machine. He does eat drag-strips with milk for breakfast everyday.
(gracias, amigo norteamericano, pero me temo que España está en Europa...