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Old 11-23-2014, 03:47 PM   #51
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For the ambitious:

http://www.ijstr.org/final-print/apr...Bangladesh.pdf

Sharon
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Old 11-24-2014, 07:10 PM   #52
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Here is an "almost there" kit I found....
Dual Axis solar tracker @ eco-worthy
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Old 11-24-2014, 08:04 PM   #53
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Originally Posted by BCnomad View Post
Here is an "almost there" kit I found....
Dual Axis solar tracker @ eco-worthy
For info, 1500 newtons equals 337 pounds of force..........
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Old 11-24-2014, 08:11 PM   #54
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Here is an "almost there" kit I found....
Dual Axis solar tracker @ eco-worthy
For someone building this sort of system, this looks like a good deal - I don't think I could buy the actuators plus the raw electronic components for that price, and this is an already-built control system.

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For info, 1500 newtons equals 337 pounds of force..........
I hadn't noticed the force spec - interesting. That's pretty good for a small actuator, so they didn't go for the smallest/cheapest unit. With the limited travel (leverage is important) and a potentially large panel area in a wind, this sort of drive capacity seems roughly suitable to me.

The tracker discussion is interesting, but I think a tracking panel really only makes sense with an RV for someone who is interested in it as a hobby. It's good that people have lots of interesting hobbies!
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Old 11-24-2014, 08:13 PM   #55
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Wouldn't it be more cost-effective to just buy more panel (s )?
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Old 11-24-2014, 08:28 PM   #56
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Anchoring a tracking panel would be a lot more challenging than with a fixed panel.

I too had the same thought as baglo, in that you could buy another panel, or two, for the same added cost, but could be bulkier to transport and stow.
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