DIY Solar Experimentation & Performance - Simply Solar

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DIY Solar Experimentation & Performance

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Side By Side Testing for Hot Air Panels
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Julian Jameson: Here are the testing concepts that Gary and I used for comparing hot air collectors. I can't emphasize enough that BOTH temperature rise and airflow...
The Great Simply Solar Hot Air Collector Absorber Challenge!
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Julian Jameson: Details of testing.
Have any old CDs?
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tacman7: Here's an interesting video.
Window Film
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gbwillson: I remember a window film that has a filtering properties, where solar energy full spectrum can pass through one direction but the other direction it...
1 panel seems to be the same as 3 panels
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Fred: I am a complete newbe. I got 6 80 watt panels, a 30 watt charge controller and a power inverter from a friend. I have bought just one battery so far....
Can I get 160-180º F water out of a solar collector?
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stmbtwle: And of course I mean: in any useable volume. g I would like to get a sauna to near those temperatures by collecting solar energy. It would be in...
Rand solar cooker
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sundug: Here's my Rand evacuated tube solar cooker. The reflector is made from a SS milk jug, I welded up the mount. It cooked potatoes and onions...
2-Screen versus Hammock Filter Matchup!
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Finsolar: Hi all- I will be building a larger, 4'x16' ZeroPass collector as my main collector using 20-gauge Studtrack. Since I don't need the box from last...
What battery to buy?
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robertpelletier: Hello friends of solar power. Novice solar guy here, just dipped my toe in the water. I just bought - Renogy 200 Watt 12...
Anemometer for Collector CFM Measurement
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gbwillson: I'm thinking about getting an anemometer and was wondering what your experiences have been with them and what features/specs I should look for. I'm...
At what low temperature do windows become net daytime losers?
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KevinH: I now have a solar hot air panel supplying warm air to two rooms in my house. I've also been experimenting with covering the windows in those rooms...
Thermopane vs Single pane
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gbwillson: It seems like most of you use polycarbonate as glazing, but I was wondering if anyone has tested single vs thermopane glass in a collector. ...
ARETHA type collector compared to cpvc-flashing collector
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stmbtwle: I finally got a cpvc water-tube collector built, to compare with the single-screen Aretha type I had already built. Both collectors are 2' x 4'...
crawl space under a mobile home in pennsylvannia
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roaddog: will remove skirting on southern wall and replace with clear corrugated polycarbonate set at a 60* angle. Would this create enough passive solar...
Open voltage != mppt's reported
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stmbtwle: Hi everyone, I am new to solar power. I think I have a misunderstanding on how everything works. Thank you all for any insight(s). I'll...
New system Production and how to view it?
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Rick H Parker: I just had a system put on my roof. It was sold to me as a 9.53 kw system. That is what is on the contract and what it says is guaranteed...
USE A HUGE MIRROR TO REFLECT LIGHT ONTO A SOLAR PANEL??
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alberto: I just purchased a 100 watt flexible solar panel and plan to place it inside my bedroom window which faces due north. Does anyone have thoughts...
4-Way Reflective Test
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dbc: Hi gang- I ran a quick experiment using different reflective materials and how they may improve the solar heat gain of a collector. The...
ZeroPass Screen Gap Testing
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stmbtwle: Hi gang- Over the weekend Krautman and I started working an interesting little experiment I brainstormed where we test the ZP using various screen...
Voltage regulator for PV panel
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stmbtwle: I prefer to use PV to power my thermal collectors when I can, but the high 22v output of a "12v" panel can sometimes be a problem. A charge...
setting absorb time and equilization
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Rick H Parker: I have a outback flexmax 60 and have 4 rolls batteries s55 models I had this system for one year now and now playing with settings and doing...
ANALYSIS OF HIGH EFFICIENCY SOLAR AIR HEATER FOR COLD CLIMATES
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Old McDonald: And the fun continues... Hi gang- This study explores how to get the highest efficiency out of a solar collector in very cold climates. It is...
Another Swirl Downspout Study
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Roscoe: This studies the performance improvement when adding a swirl tape to the interior of a tube type collector. Greg in MN
ALUMINUM AND POOL CHEMICALS DO NOT MIX!
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stmbtwle: I installed my little experimental ARETHA on my hot tub just about two years ago. Recently I noticed that water flow through the system wasn't what...
Reflector pictures
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netttech: Reflectors has been debated for some time. A few weeks ago I built a reflector from scrap of foam Mylar for my 10' x 3' panel, that's located on my...

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