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Old 12-16-2008, 03:20 PM   #31
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electricity 750 ft away!?


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That all sounds great. What about the solar panel? where can I buy all the items you mentioned? I'm assuming Home Depot does not carry such items....
The solar charger I bought from Bass Pro shop.
The battery you can get anywhere that sells batteries, and the inverter comes from HD, Lowes< wallmart, target, any auto parts store.

Before you by the inverter, add up the wattage of all the lights you will be using, then buy the inverter that supplies more than that.

The solar charger is a trickle charge and will not charge a dead battery, and it needs all the sun it can get.

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Old 12-16-2008, 03:30 PM   #32
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electricity 750 ft away!?


How old are these kids? Do we really need to be running line voltage to a tree house? Get some LEDs, put them on a switch and wire them to a motorcycle battery. It will last a very long time on a charge. Every couple weeks you could bring the battery to the house to charge it.
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Old 12-16-2008, 04:15 PM   #33
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electricity 750 ft away!?


In-Phase has a good idea.

Or if you go with solar charger don't bother with an inverter. Just install 12v RV lights and a 12v deep cycle battery.
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Old 12-16-2008, 04:23 PM   #34
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electricity 750 ft away!?


Buy a cheap generator and either use it direct or use it to charge batteries for some 12 volt lights. Probably can do it for under 500.00 and you still have use of the generator for camping and such.

Gary
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Old 12-16-2008, 04:50 PM   #35
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electricity 750 ft away!?


You have running water nearby?

36 gal/sec. dropping one vertical foot will give you 400w continuously.

Plus, if you build a
http://www.sullivanswaterwheels.com/images/4foot.JPG
the local paper will want to write you up.
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Old 12-16-2008, 05:37 PM   #36
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electricity 750 ft away!?


Heh, well if we are going to blue sky here... A vertical wind turbine can generate lots of watts easy.
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Old 12-16-2008, 05:43 PM   #37
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electricity 750 ft away!?


Might be able to get a good used nuke plant out of a decommisioned Russian submarine.
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Old 12-16-2008, 05:59 PM   #38
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electricity 750 ft away!?


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Might be able to get a good used nuke plant out of a decommisioned Russian submarine.

This is probably the best idea of them all on here. Maybe trench service conductors to this thing and power your home...no more electrical bills...
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Old 12-16-2008, 06:22 PM   #39
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http://www.pacwind.net/

http://www.treehugger.com/files/2008...video-clip.php
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Old 12-16-2008, 08:01 PM   #40
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electricity 750 ft away!?


hey with the wind turbines or the solar panels, would they power about 400 W over the course of the night? I know it is a 60 W solar panel, but can I get a larger battery for it to charge? I'm not sure how it works. thanks. here's the product I'm talking about


http://www.amazon.com/Sunforce-50044...9479101&sr=8-1
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Old 12-16-2008, 08:40 PM   #41
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electricity 750 ft away!?


400w over an 8 hr. night = 3200 wh of energy.
At 12v this is 270 Ah of battery
400/12 = 33A, all night

3200 wh/60w ≈ 50 hrs of charging
So if your duty cycle is 8/58 = 14%, then yes.

6 days of sunlight to run 8 hrs of nighttime.

Reality Bites!
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Old 12-16-2008, 08:48 PM   #42
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6 days of sunlight to run 8 hrs of nighttime.

Reality Bites!
No, PV Solar does.
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Old 12-16-2008, 10:02 PM   #43
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electricity 750 ft away!?


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No, PV Solar does.
Hey, the laws of nature are stacked against us too! No matter how efficient our PVs become, the sun will not shine but something like 1400 W per square meter, on a beautiful day on the equator.
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Old 12-17-2008, 01:04 AM   #44
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electricity 750 ft away!?


so if the solar is a no go which by the sound of 6 days for 8 hours it is, how about wind? do any of these 2 products sound like they could work? optimally i would like my sons to have up to 16 hours of potential power before we have to recharge. what kind of battery would I have to get with these?....

http://www.amazon.com/exec/obidos/ASIN/B000C1Z2VE/

http://www.amazon.com/Residential-Wi...=pd_sbs_auto_5

Last edited by needshelp; 12-17-2008 at 01:57 AM.
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Old 12-17-2008, 02:11 AM   #45
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electricity 750 ft away!?


If you had a lot of wind it would be a good option, but a 400 watt windmill is not much power.

You could get low voltage LED lighting to run at the battery voltage. You should not need more than say 50 watts worth of lighting. You could have a small inverter to have an outlet, I would say 500 watt inverter would be a good choice.

Battery, you'd want to use something like two 85 amp hour (each is about the size of a car battery). Unless you like replacing it every year, get what's called an "AGM" deep-cycle lead acid, Concorde makes them.

Batteries will run you about $120 each. Inverter will be $80 or less, plus the windmill cost and a pole to put it on (get it above the tops of the trees if you can).

To be honest, a buried wire will probably save you money in the long run, vs these alternative energy things. Batteries don't last forever.

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