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fungus

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Solar Backpack
« on: June 30, 2006, 07:22:11 PM »
I've just whipped up this solar backpack, two 5 watt 6v panels linked in series charging a small battery with a cig lighter socket. I found some old shelf supporters that i wedged in and put a plank across to support the battery. The battery's strapped in and the cig. plug is screwed in so it's rotatable. I then got a small metal bar to support an old backpack i had and fed the straps through it. I'm going to take it to a RE fair tomorrow.
Heres some pics:











Thats me in the last photo!
« Last Edit: June 30, 2006, 07:22:11 PM by (unknown) »
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willib

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Re: Solar Backpack
« Reply #1 on: June 30, 2006, 01:42:16 PM »
nice work keep it up!!

ps. i have shirts older than you :)
« Last Edit: June 30, 2006, 01:42:16 PM by willib »
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fungus

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Re: Solar Backpack
« Reply #2 on: June 30, 2006, 01:48:26 PM »
Lol. I also forgot to add that I've got a small computer connector connecting the solar panel so its reasonably easy to detach.
« Last Edit: June 30, 2006, 01:48:26 PM by fungus »
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jimjjnn

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Re: Solar Backpack
« Reply #3 on: June 30, 2006, 03:24:10 PM »
Graet job and keep going further in what you are doing and experimenting.

A future Engineer?
« Last Edit: June 30, 2006, 03:24:10 PM by jimjjnn »
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ghurd

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Re: Solar Backpack
« Reply #4 on: June 30, 2006, 03:54:44 PM »
Great job!

Wish I had it just for camera batteries on our recent vacation.

Don't let anyone tell you it is not big enough, because it is big enough!


And BTW, I have boots older than Willib!

G-

« Last Edit: June 30, 2006, 03:54:44 PM by ghurd »
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richhagen

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Re: Solar Backpack
« Reply #5 on: June 30, 2006, 04:58:19 PM »
Looks great Angus, a little less than an amp into the batteries in full sun.  That'll be good for a radio at the fair, or even a larger load if intermittent.  Should be lots of fun.  Rich
« Last Edit: June 30, 2006, 04:58:19 PM by richhagen »
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willib

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Re: Solar Backpack
« Reply #6 on: June 30, 2006, 05:28:04 PM »
LOL, now i have  to clean the coffee off the screen :)

« Last Edit: June 30, 2006, 05:28:04 PM by willib »
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fungus

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Re: Solar Backpack
« Reply #7 on: July 01, 2006, 12:22:47 PM »
Well I'm back from the fair now(The big tent). I just used a 12v fan (350ma) to show the power which was lucky since it was a blazing hot summers day. It could run continously, as well as extra time when we were sitting inside the black tent to listen to the talks. Everybody liked it and it was quite good. I spotted a Hugh Piggott turbine and I had a talk with Neil(One of the people who does the turbine courses). There was also a cool solar caravan thing that I saw that I thought was very good. All in all a good day.
« Last Edit: July 01, 2006, 12:22:47 PM by fungus »
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willib

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Re: Solar Backpack
« Reply #8 on: July 01, 2006, 01:09:37 PM »
You would think that there would be RE fairs here in the U.S. like yours in Scotland.

but no :(

tell us more about the fair?

any photos?
« Last Edit: July 01, 2006, 01:09:37 PM by willib »
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fungus

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Re: Solar Backpack
« Reply #9 on: July 01, 2006, 02:28:11 PM »
« Last Edit: July 01, 2006, 02:28:11 PM by fungus »
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dinges

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Re: Solar Backpack
« Reply #10 on: July 01, 2006, 02:35:44 PM »
Very nice, Angus, also your diary of the RE-fair visit.


How about a little music whilst walking with that backpack? Better bring a few friends along though to carry the rest of the system. But maybe a small radio? I do have a small LCD tv that uses only 5 watts (at 6V). Ah, the joys of a solar panel :)




« Last Edit: July 01, 2006, 02:35:44 PM by dinges »
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“Research is what I'm doing when I don't know what I'm doing.” (W. von Braun)
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