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Hi Verkenner, That's kind of you Thanks for info

yes , i did a cross cut in the bottom : 4 quaters --> 1 quarter UP , 2 quarted DOWN , 3 quarter UP , 4 quarter DOWN. Do you have some News about chassis ?

9.99 usd, it means cheap and simple construction ! is it good for european 220V too?

Evolution : this panel was born for this reason : low down the moisture , increase rooms temp. by using hot hair, this will be done obviuosly during winter. On summer ? i should stop everything to not burn like a Mc-potato !, but, here comes the idea , why don't use this great power for hot water? S...

Use HSTOUCH, creates an interface and use a simple IPOD touch over wifi. the new version , retina display, is really great.
ciao

Many problems today at midday. first error server , then not reacheable

let's say 200-250 euros (i have to sum everything, but it's not yet finished, i must buy some iron-plates to make roof-chassis). The lexan front face costs 70 euros (285x119 cm), photovoltaic cell alluminium polycarbonate plates for other layers silicon screws paint thermal resistant fan iron pipes ...

wood was first idea , simple to buy and to construct.
but it's heavier , you must carry it on your roof...
years of water , snow , wind, sun outside : you must repaint it every "x" years and be careful to not paint the front face.
Alluminium is better, just my 2 cts.

dimension is relative : i mean as bigger is, as more heat could generate. then we must consider the can dimensions : mine are 0.50 lt of beer (oh oh this summer i drunk 224 cans = 112 lts :D :D ) and are 17 cms tall. you must think what dimension you need and then calculate how many can-columns and ...

The sun is going down , the top result has been

ambient : 22 C (wow like end of summer )

panel outflow : 90 C !!!

i spent a week on deciding which panel (front vs. sun i mean) , you know i'm a chemist , so i gave a look at many different panel and studied their most important features like light transmission, heat block (once inside the structure), uv-resistant , moisture absence , cells size and numbers (every...

12 cm pc fan , that "makes" 80 CFM = 135,93 m3/h

fan is , for today powered by a 12v psu, but i have a ready to use photovoltaic panel (10watt) to mount aside the air-panel

Hi my friends, i did this topic here for a commercial panel. Today after some DIY days i want to present you my own panel , made with alluminio , beer cans and polycarbonate . Weight is <8 kgs ! My temp. measure of today : windy, full sunshine (PANEL IS NOT YET FINISHED , lack of lateral isolation a...

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But if you cut all the cables, will the car start anyway ? today all the cars are so electronics pregnant that if you miss a lamp, you don't go back home!