Showing posts with label Solar. Show all posts
Showing posts with label Solar. Show all posts

Friday, October 19, 2012

Solar Project Review

Last week I made a Solar Still to have for a secondary way to make the water from the rain water harvest system drinkable. I followed a plan I found on Mother Earth News almost to the letter so I could give the project a fair shake. Here is what I came up with.

The plans were clear and I made the box accordingly only changing one or two small things due to using what I had on hand and recycling used materials. I did have to buy a piece of glass because I am not a glass cutter and broke several attempts of cutting my own. I guess you have to have a light touch to do it and I don't.
 At first I was not going to put the reflective material on the back door because I didn't think it was needed, but decided to do it anyway. That way I could say it was just like the one in the plans.
I used a five gallon jug for the water collector and hooked everything up air tight to keep the moisture inside.
10/11/12 - Using a glass baking dish and two glass meatloaf dishes I added the water to the still and stood back to watch it happen. I soon found out this was going to be worse then watching water boil so I left it alone for a couple of hours. I checked on the progress again and saw this was like watching molasses flow in the winter. If you have never seen that then all I can say is that it is really, really slow. 
10/13/12 - Two days later I revisited the Still thinking I would be out of water in the containers, but low and behold I still had plenty to go. Condensation was on the upper glass and it appeared to be running off and into the pipe and down in the jug. It was doing what it was intended to do, but not very fast.
Two days and one cup of water, not a good start so far.

10/17/12 - Four days have past and now the water that was captured in the jug is gone. The only explanation is a leak somewhere. Air was getting in and the water was being lost instead of doing what the still was designed for and being caught in the jug.
After close evaluation I found where the top glass adhesive had dried and pulled away leaving a gap where outside air was getting in. A quick fix by using silicone and placing a bead all the way around the edge of the glass did the trick. So now we are back in business, I think.

 10/18/12 - A day later and with high expectations I checked the still, nothing. The condensation is there, but it is not forming heavy enough droplets to run into the jug. The water jug has condensation inside as well leading me to believe I need to cool the jug or keep it in the shade by wrapping a towel around it. Today I will do that and see what happens. I don't know if the equalizing temperatures in the box and jug have anything to do with it or not, but it's worth a try.
I also tightened up to back door because I thought maybe I was loosing some moisture from it as well, but I know I wasn't.

10/19/12 - Not everything I build has to turn out I don't guess. I am ready to pull the plug on this little project. The still has been a pain in my side for two weeks now without showing any positive results. At most I can get maybe a cup of water every couple of days.  I can't imagine I did this wrong or did not give this project a fair shake. Stick a fork in it folks, it's done.
 
End results:
Cost to build if bought everything new - $70.00
Distilled water made over two weeks - 1/8th Gallon
Cost for one store bought gallon of Distilled water - $0.79
Money lost  - $69.21

I will probably turn the still into a solar dehydrator or a solar cooker. I need a smaller one of both so we will see.        

The next solar project will be a heater for my shop. I am collecting beer cans right now for it. Just two more thirty packs to go, LOL
  

Wednesday, October 10, 2012

Next Solar Project


I have been looking for my next solar project for a while. Most what I found have to deal with expensive solar panels and some sort of costly battery bank. Being I have been down that road before with my rain water solar pumping system I knew I didn't want to go down that path again anytime soon.  

 I found this Solar Still in Mother Earth News and thought why not. I can always use distilled water and have to buy several gallons every month so why not make my own.

In kinda my own words this is what I got from reading Mother Earth about the still,  

Distilled water is not just for drinking, and it’s always worth keeping a few gallons of it on hand. Clean water free of chemicals and minerals has a number of valuable uses:
• Always refill the lead-acid batteries used for solar energy systems or automobiles with distilled water
• Water delicate plants like orchids with distilled water; minerals and additives like fluoride or chlorine that are present in most tap water can harm plants
• Distilled water mixed with antifreeze is recommended for car radiators, as it’s less corrosive
• Steam irons become clogged with mineral deposits unless you use distilled water

The idea of using the sun’s heat to separate water from dissolved minerals has been around a long time. The well water in my area leaves mineral deposits that will build up over time and corrode or clog whatever it's used for in just a few short months.  
A solar still works like a salt evaporation pond, except that the water that invisibly evaporates is extracted from the air; the minerals and other impurities are left behind and discarded. As the hot, moisture-laden air rises up to the glass, water condenses out in the form of small droplets that cling to the glass. As these droplets get heavier, they roll down the glass to the collector tube at the bottom and then out to the jug.

With the well water issues and afraid to drink the rain water without boiling it due to the pesticides and herbicides sprayed in this area, this little project is what I am looking for to expand the resources for good clean drinking water.  

 Below is a picture of the I took from Mother Earth News






When I get finished with mine I will post pictures and also give a functionality report on rate of flow.












My next solar project will be a solar heater for the shop.

Saturday, December 17, 2011

Total Solitude For 33 Years


Off an old county road, a row of mail boxes and a leaning no trespassing sign is the only hint you will see of a community who chose to live in complete solitude from society over thirty three years ago.

Today the family and I had the unique opportunity to be invited into this small group of people and tour how they live without many of the influences and necessities from the outside world.
Rainbow Valley was created in 1978 as an overflow from White Hawk, another off the grid community started a few years before in the late sixties. In the mid eighties as many as forty families lived in the valley and worked toward the greater good of preserving life, freedom and the pursuit of happiness. Now years later, just a hand full of members remain.

In the Valley's hay day life was made up of complete self sufficient living plus helping one another and giving back to the community in which they lived. During the harvest months the residents would pick their gardens and take baskets of food to the community center and exchange vegetables, knowledge and crafts. It was not uncommon in those days to find each dwelling place with a complete working farm full of gardens, animals and many different items to live by themselves without asking for help from the outsiders.
With age came less tolerances for fighting the Texas weather and most moved away leaving a few behind to cherish the golden years on their own. Today I did not see any bountiful fall gardens full of color and vegetation or animals carelessly free ranging fating themselves up for the winter harvest. Instead I saw a lost world succumbed to aging people holding on to a past that has outrun them many years ago.

The more I talked and asked questions the more my gracious host stood upright straightening his curved overworked back producing a smile and a thought that maybe his life was something of interest after all.
He invited us into his house where his family was busy doing the daily activities of survival. I stood at the thresh hold of his house in complete awe to how easy I actually have it. I started to ask why they chose this lifestyle but quickly remembered all the times I have been asked that same question. I already knew the answer before it ever came to my lips and along with my family stood embracing the sight before us which was so many levels above my willingness and thought process. I was now the outsider trying to understand why and how.

The kind gentleman took us to every room in his self built underground house describing in detail every aspect of every item they used to live. His most prized possession besides his antique claw foot bathtub was a seventies model stereo system where he had to have me hear the great acoustics of what a round underground house sounded like. Flipping open the wooden top to a turn table that showed almost a half a century of wear, he gently placed a Rolling Stones record on it and cranked the volume up to max.
Last week, if you will recall, I was called a hippie from a very educated English professor. During the time my ears were throbbing to the Stones, I looked over at the middle daughter and she smiled with a knowing smile that yes, maybe the great professor was not wrong after all.
Once our hearing was restored to normal we ventured outside to were the main reason for me stopping by was tucked away behind and on top of his house. I wanted to see his solar set up and take notes on how it was done on the cheap. I was not disappointed with what I saw.
Anyone with the money can buy and have installed a fifty thousand dollar turn key tracking solar system to supply power to the whole house. I wanted to see real life, raw solar, virgin thought and that is exactly what I got. He did not really want pictures of it so all I can tell you is it was a true work of art. Cables held together by clothes pins, Solar panels of varying sizes linked together with scrap wire and mounting brackets made from pieces of unwanted wood found here and there. Everything the books tell you not to do he did it and it worked. I was truly impressed and took detailed notes.

What I did not see was any type of food storage. I know it is a carnal law that you are not to ask someone face to face about their stored provisions. I am so used to the internet and pretty much everyone is anonymous and willing to share what they have that I had to check my manors. I finally broke the ice by telling him that if you had to put a label on us then it would best fit under the label preppers. Of course I thought he would know what that meant but without internet for all those years he needed a better explanation. I explained the solar bath house, the animals, the solar oven, the rain water harvesting and most of all the food storage (but not giving off too many details myself). He did not say anything at first but then took his hand and waved across the wooded valley and said he had all he needed right here.
I asked how long did he think he could survive if the coming economic crash was to hit today. As soon as the words left my mouth I knew the answer and knew that was a stupid question better left unasked. All the sudden I felt like a city folk and was embarrassed I even asked it. He knew it and just grinned.      

We were able to tour the 200 acre property and even go into some of the abandon underground houses. The architectural design of some of these homes was amazing. As cool as it was outside, every place we walked into was a constant temperature.       

It is a wonder we do not practice this type of building more often.






Our host even felt inclined to give me an old generator. He said it needed a little work but it was still a jewel. I could not say no, that would have just been rude.




My new friend, like the other remaining residents of Rainbow Valley will never leave. They will live there until they die and probably be buried there. He said the outside world has long passed him by and there was no place in it for his kind.
I left Rainbow Valley with mixed emotions today. Envious of them for living the way they chose with what they have and not needing much of anything from anybody or society but I also left a little heart broken that we all do not live that way. Self governed, self reliant and self sufficient only relying on what we do for ourselves and our community to survive. Instead we have become a "Me" world only wanting what we think we are entitled to.