"I love that you've brought this to attention. An extensive database of uncommon but resistant and hardy plants/foods could be developed and organized by climate. Ease of growth and processing should also be taken in to account. I will try to…"
A crash course in changing the world.
Charge my laptop
My favorite device is my laptop. I use it everyday and I would love to be able to charge it with wind power. Turbines are cool but I know that there is emerging tech, like sails that are even better. I was also thinking that if you could draw power from the trees as they blow in the wind. Either by attaching lines to the tops an draw power from arresting the top from swaying or even better if you could intercept the energy as it is transferred down the trunk into the ground. If anyone has any idea about how to pursue the tree idea please let me know.
I spoke to Amos the other day and we decided that in a couple of weeks we are gonna build a turbine, but I had some time and was too excited so I built a little one today.
I started with a motor that I took out of a CD player.
I spoke to Amos the other day and we decided that in a couple of weeks we are gonna build a turbine, but I had some time and was too excited so I built a little one today.
I started with a motor that I took out of a CD player.
Knowing that by spinning the shaft I could draw power from the cables (see the test here),
Using a fallen branch, three long pieces of scrap wood and some twine, I set about building my tripod.
With the tripod done, I attached a fan blade that I grabbed from an old fan. I am hoping that for the larger version we can use either a propeller if we can find one in a scrap yard, or make some large blades ourselves. Here since the scale was so small I was able to use legos for the gears. In the larger version we will have to use car parts most likely.
Here is the final test of the windmill. Unfortunately by the end of the day the wind had died and I was only able to get a max reading of .4 volts. Judging by earlier tests and by the amount that I geared up the motor I think it could produce 1 volt.
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Comment by Amos Meeks on March 20, 2010 at 10:48pm
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Dude, that's awesome!!!! See if you can hook it up to something (something smaller than a laptop) and try to power it.
Way to go!
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Also, you should think of how to improve it? Could you mount it on your roof? Could you improve the gear ratio?
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Comment by Wintermute on March 20, 2010 at 10:56pm
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S*** man a lot, I'll do some research and get back to you on that.
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Comment by Turil Cronburg on March 20, 2010 at 10:57pm
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I love the Lego gears!
Also, any time you want to do a small workshop on building these things, I'd love to come and learn how. I'm local.
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Considering that wall outlets are, I believe, 120 volts, probably something around there.
However I think that less volts than that would still charge, just very slowly.
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yeah its all about volts per hour.
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before I run a workshop I'll try and light a LED first. I don't think .4 could even do that.
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Turil, I think that Wintermute and I were going to try to get together sometime in the less busy and hopefully not too distant future to build a bigger, better one. You could totally join in, I assume.
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It's all in the trickle charging of batteries...
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of course the more the merrier
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