Homebrewed Electricity > Temporary power

Portable Solar Generator

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chrisski:
I think I’ll get a wind meter this year.  The weather channel says 15 knots, but I suspect even higher at my location.  It’s the type of winds that come down the valley at the edge of a mountain.  One place is next to a lake.  Portable solar panels will blow away nearly every night and the RV can shake.  These winds will come out of nowhere, wnd last for two hours.  One place this happens at sunset, the other just before sunrise.  he weather stations I mentioned are removed by several miles.

What I’d been thinking is a small turbine, mounted on a 10’ pole, and that pole would be mounted inside a truck hitch and secured with a baseplate.  Securing guy wires at both these places would be very difficult with the hard , rocky gravel.

SparWeb:
Great minds think alike.  I made one using an insulated cooler many years ago. The batteries stayed in the cooler.  Screwed to the lid was a box for the inverter. 

I'm planning to refurbish it soon, in fact, because I'd like to start using it again as the power source to drive my tower winch - then stow indoors when not in use.  To keep the batteries topped up it can tether to my main bank.

bigrockcandymountain:
Nice work on the generator.  That's an extremely useful build.

I like your ideas so far on the turbine.  Maybe a pole that sticks in the hitch and a couple braces that brace in the stake pockets of the truck.  That would be good for 3' diameter i would think, maybe more.

chrisski:
With the generator, I've gotten 25 kwh with 6 weeks of use.  My charger had not yet arrived for my bigger lithium battery, so I used the SCC from this to charge that battery up, about 9 kwh.  The rest is from a few crockpot meals.
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For the windmill, This is what I want to use for the truck hitch:

Only thing I'd like to add is something like a flag pole base for the bottom of the pole:

MagnetJuice:
When you said that you wanted to build your own turbine, I don’t know if you meant that you wanted to build everything from scratch or to buy one already built and mount it on a pole.

It would be cheaper and faster to buy one already made. However, when the turbine fails, and it will fail, you would have to fix it yourself or buy another one.

If you build it yourself, you will learn a lot and have fun doing it too. And if something goes wrong, you will know how to fix it yourself.

Ed

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