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Author Topic: cheapo portable solar rig  (Read 3128 times)

ZooT_aLLures

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cheapo portable solar rig
« on: November 13, 2006, 01:40:55 pm »
I built this cheapo portable solar rig for lighting deer camp.

Costed less than $100 total and it can be easilly transported.

I did a very small writeup on it over at fieldlines.com where they allow folks to upload pics, so I'll just link to it from here.

http://www.fieldlines.com/story/2006/11/13/19332/305

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Even some cowboy and indian outlaws in the 1800's eventually stopped sleeping under buffalo skins, and came to town to entertain paying customers. For some I imagine the bruising of their ego never healed.

We all have some scar tissue that never lets us completely forget the intent of the adventure.

Mr. Dare

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Re: cheapo portable solar rig
« Reply #1 on: November 13, 2006, 02:59:33 pm »
Very clever Zoot, nicely engineered and well thought out. An "A plus" project :thumbsup:!
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Nedda of the Hill

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Re: cheapo portable solar rig
« Reply #2 on: November 15, 2006, 11:17:16 pm »
ZooT...

Your post only serves to confirm my suspicion that you are an eminently practical man.

Love it.

N.
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Bear

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Re: cheapo portable solar rig
« Reply #3 on: November 29, 2006, 12:36:30 pm »
Zoot,

Very cool! I've got a couple of questions, though.

1. What kind of battery is an SLA? I haven't heard that term before.

2. What kind of voltage measurement is "vf"?

Bear
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ZooT_aLLures

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Re: cheapo portable solar rig
« Reply #4 on: November 30, 2006, 12:01:31 pm »
Bear,

SLA = sealed lead acid battery....they're common in uninterruptable power supplies, electric scooters and other kids motorized "ride em' " toys, emergency lighting, and those "portable jump starters".

vF is voltage forward and it only pretains to the voltage driving the LED's which is determined by the size of the resistors used when constructing the LED arrays......(or at least that's my understanding of this)
LED's also have to be "current limited" or they could burn out prematurely......and I have cooked a few 8^P

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Even some cowboy and indian outlaws in the 1800's eventually stopped sleeping under buffalo skins, and came to town to entertain paying customers. For some I imagine the bruising of their ego never healed.

We all have some scar tissue that never lets us completely forget the intent of the adventure.
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