This panel can put out close to 100 watts kzread.infoUgkxOqI2yqX0XVrhR2BMJciTWrHJpG8FhJyg when positioned in the appropriate southernly direction, tilted to the optimal angle for your latitude/date, and connected to a higher capacity device than a 500. The built in kickstand angle is a fixed at 50 degrees. Up to 20% more power can be output by selecting the actual date and latitude optimal angle.The 500 will only input 3.5A maximum at 18 volts for 63 watts. Some of the excess power from the panel can be fed into a USB battery bank, charged directly from the panel while also charging a 500. This will allow you to harvest as much as 63 + 15 = 78 watts.If this panel is used to charge a larger device, such as the power station, then its full output potential can be realized.

I totally applaud your genuineness and sincerity in the way you work, step-by-step, you're a nice guy, and I really like your work.

Love that you emphasize the need of turbulent flow contra laminar flow. 👌

Far more then is needed here in Southern New Mexico. Your machine would most likely work as a Flash Boiler.

Very immpresive! Meticulous theory paralleled w assembly.

This is old technology, we in the UK built these 4 mtr panels in 1972. Our panels were made of copper sheet and had 15 mm copper pipe soldered to the copper sheet. They worked very well under glass until the Thermomax tubes came along. These tubes are now very low price and provide all your hot water requirements !

@borisbarker1016

Жыл бұрын

Hello... A year later, you'll need to remind yourself of this. Question: If this was practiced in the seventies, and you remember it, did you read Papanek's Design For The Real World? This isn't in it, but is in a similar vein. I'm 59, UK resident and come yearly to Kerala. Love seeing how the people here sort problems. I'm curious as to what readers thought of his book at the time. I read it in the mid-eighties and still love it. If you never read it, sorry.

More than wonderful work, you deserve a thousand likes, and I hope that the Arabic language will be added to the translation. I am from Egypt and I really enjoyed watching, thank you and we are always waiting for your new

@user-dy4vs2fm5y

2 жыл бұрын

اتفق معك بالعربية

@yahyapacha787

Жыл бұрын

لازم يضيف العربي فعلا

nice to have the right tools for the job I always keep a press brake like this in my back pocket

@TheDIYScienceGuy

2 жыл бұрын

You can make the housing out of wood, plastic, or you can ask someone to bend it for you like I did. Hope it helps!

Nice, im curious to see how it will perform

I was thinking of something like this to give me hot water for my workshop., water supplied by the rain, filtered and then heated and stored in a hot water tank for use. Very informative video, thanks for sharing.

that jig you made was pretty cool

Awesome. Can't wait for the continuation.

Excellent concept; execution and presentation.

I yeah everyone have the equipment in the kitchen drawer:)

@xcalie22

2 жыл бұрын

What, are you saying you don't have a brake press in the kitchen drawer?

👍 Danke fürs Hochladen! 👍 Thanks for uploading! 👍 Very good and beautiful, thank you! 👍 Sehr gut und schön, danke!

Nice work. If the unit will not be used at mains water pressure, perhaps you can dispense with the copper pipe and use the silicone to seal the tube made from the two halves of aluminium? Connecting pipes will be required that can be made the same way. This eliminates thermal transfer resistance between pipe and plates. Perhaps you can just use two sheets of aluminium with spacers and sealing at the edges and bypass the piping aspect altogether? Another thought is if its possible to heat both sides at once with insulated sheets as reflectors? \ There there is the option of a linear parabolic dish focused on the pipe. You guys really started the creative juices going!

What style of coil is more efficient in absorbing heat, a continuous single loop as you have made, or multiple parallel tubes connected to manifolds on top and bottom?

Very nice project!

Awesome project. I want to make my own Solar panels but it seems it is not easy. I hope there is an easier and cheaper way 🤭✌️ good luck always for you 🙏

Thank you!

Very good and skillful. Thank you

Good job.... Salute for you... I want to make it to...👍👍🙏🙏

This is awesome ! I can’t wait to see how it turns out!

Really nice execution, but so much work involved! I think it would be very interesting to compare this type of construction with something using more off the shelf parts like omega style heat transfer plates intended for in-floor radiant heat loops. Those transfer plates in 4 foot lengths are about $2-3 USD in 100ft quantities. To me that seems pretty cheap compared to the time to make your own.

@keithedwards9953

2 жыл бұрын

But this does look entirely scalable... 🤔

@bradley3549

2 жыл бұрын

@@keithedwards9953 above the prototype level, would be better off building a more robust and easier method of creating the panels. The pros use a roller system similar to seamless gutters.

@keithedwards9953

2 жыл бұрын

@@bradley3549 yeah, I'm pretty sure you could save the headache if you ordered everything prefab.

@amaninotihakaneinoti

2 жыл бұрын

عالی

@BradySzabo

Жыл бұрын

and honestly, I down own big metal fabrication machinery. Other than a machine shop, I don't know of anyone who has one and their labor is expensive.

You can buy heat conducting silicone that actually conducts heat better than heat sink compound.

I applaud your intellect, craftsmanship and inventiveness, but your project is about as DIY as a moon landing.

@TheDIYScienceGuy

Жыл бұрын

Thanks! Well you can make the housing out of wood or plastic or just borrow the machines like I did. The rest is all DIY

@jmpcrx

9 ай бұрын

Well the moon landings were pretty fking diy dickhead

Nice work man!

Just a thought but when two different metals such as copper and aluminum are in direct contact it causes galvanic corrosion. You could use the thermal paste that goes between a cpu and its heatsink. If would increase your heat transfer and act as a dielectric preventing contact between the metalsm

@daddynunya9045

2 жыл бұрын

@@WildKard123 It happens even dry. When I was a pipefitter we had to use dielectric couplings when attaching pipes of different metals on even on air lines.

@daddynunya9045

2 жыл бұрын

@@WildKard123 So as long as your in a vacuum...as in outer space. But anywhere on earth it happens.

you are a genius , you are very good , free electricity , very useful videos need wide application

That groove jig is groovy. 🤣 forgive the cheesy joke. Awesome engineering

Very nice work.

Could have used an aluminum rod to press the pipe seat in one pass, plus use aluminum tube as the pipe to then weld braze the pipe to the aluminum sheet for full thermal bond. But you have it working and looks great.

In the beginning was the Word, and the Word was with God, and the Word was God. 2He was with God in the beginning. 3Through him all things were made; without him nothing was made that has been made. (John 1:1-3)

He man, you are so great handkrafter and i like your form for steel forming verry well, you think before working this is wunderful. Kind wishes from Germany

Thanks

Inspiring experiment, keep it up Brother!👍

Thanks for you 🇲🇦🇲🇦🇲🇦🌸🌸🌸from Morocco

Amazing 👏

Super project👽👍

I’ve subscribed to your KZread channel and all blessings from Ireland

This is a passive heat collector? Nice!!!

What about just bolting on the side frame with some gaskets for easier building?

Is it nessecary to make the housing frame out of aluminium? Seems an expensive option if not required?

Wow this is amazing

@francissankalimba3829

2 жыл бұрын

Thank you

@TheDIYScienceGuy

2 жыл бұрын

Likewise!

Nice video, keep it up, thanks for sharing :)

Good Lord bruw, use termoconductive paste in between the Allum and copper also don’t forget to sand both pipe and plate contact areas for maximum effect. Your welcome also thanks this is proof of concept on another idea that’s in the makings.🎉

Would it be better, more powerful & durable to use stainless thin sheet than aluminium?

That's a lot of work and materials that is unnecessary. But I'm glad I watched . As I am planning a new diy channel. I believe the insulation is a huge plus .

Nice project! I was wondering about how you prevent corrosion of the metals. Copper in direct contact with aluminium corrodes. Is the silicone layer enough to prevent that?

@TheDIYScienceGuy

2 жыл бұрын

Thanks! Well as long as there is no electrolyte like salt water not much will happen anyway.

@billywilliams6853

Жыл бұрын

@@TheDIYScienceGuy Use a thermo Dielectric Paste. 1. Transfers Heat 2. Stopping Corrosion of the two Different metals.

Good job

Name for your panel is solar collector loved every part of the video thou.

@fidelcatsro6948

3 жыл бұрын

yeah i thought it was solar photovoltaic panel he was making.. turns out to be a solar heater!

Great! Making those collectors looked a bit cumbersome. I was wondering if it would be possible to use floor heating radiator plates for this purpose.

@TheDIYScienceGuy

2 жыл бұрын

Thanks! If it has a grove and conducts heat well I'd say why not.

From Brazil américa do sul. Hello my brother!!! Porto Alegre.

Keren mantap pembuat solar sel nya bang👍

And you should pre-cut that chip before you start bending and I think you can bend from both ends and work it out like that little bit different construction but the same process with less things do on it more efficient and faster to assemble

Link to the 2nd solar panel video: kzread.info/dash/bejne/nJl_qq-eYM68kqw.html Link to the 3th solar panel video: kzread.info/dash/bejne/dn2flM-cepq0eNY.html Link to the 4th solar panel video: kzread.info/dash/bejne/iqiEltupprXeqpM.html

@greglawson9729

3 жыл бұрын

Why not use copper plates and solder the plates to the tubes that should be more efficent.

@TheDIYScienceGuy

3 жыл бұрын

Because copper is much more expensive and the efficiency would only be a small bit higher, because the water removes the heat so much faster out of the panel than it can radiate out of it.

@5885ronny

3 жыл бұрын

Please don't forget your subscription

@utuberlars

2 жыл бұрын

@@5885ronny And yours ;)

Un grand BRAVO de France

Very good 👍

I used underfloor spreader plates for mine.

@TheDIYScienceGuy

2 жыл бұрын

Nice idea! But we don't use those where I live so they are hard to come by.

great! i have a question, please: what about electrolysis created by assembly of copper and aluminum?

@TheDIYScienceGuy

2 жыл бұрын

That only happens when there is an electrolyte in between them normal water is not enough.

Very professional! How did you estimated total (absorbing) pipe length vs. surface area?

@TheDIYScienceGuy

3 жыл бұрын

Thanks! I will ask my "accomplice" 😉 I'll get back to you.

@TheDIYScienceGuy

3 жыл бұрын

Here you go, hope it helps! www.builditsolar.com/References/Calculators/FinEficCalc/FinEficCalc.htm

@p_peja

3 жыл бұрын

@@TheDIYScienceGuy ​ For absorber I am thinking of two Cu 1x1m 0.4mm sheets, with some standoffs in between (to provide 4-5mm gap for water flow.

@TheDIYScienceGuy

3 жыл бұрын

Nice!

Nice project! I was wondering about how you prevent corrosion of the metals. Copper in direct contact with aluminium corrodes. Is the silicone layer enough to prevent that?

@TheDIYScienceGuy

2 жыл бұрын

Thanks! It only corrodes when there is an electrolite inbetween the 2 metals. Normal water is not inough and even that is not inthere.

If it gets hot enough, you can either use peltiers or Stirling engines to get a little electricity for the system and as long as you have a drop from height in the system you can also use a water turbine as well. It's not much electricity 10w but that's still enough to add extra charge to a system.

@TheDIYScienceGuy

9 ай бұрын

I think the temperature of the panel (not higher than 30c) is not hot enough to be useful for a peltier or a sterling engine. And the water doesn't drop because it is a closed loop. But good thinking! 👍

@daniellapain1576

9 ай бұрын

@@TheDIYScienceGuy well the Stirling would still work at that temperature but it's cold side would have to be in the building or something because it works through temperature difference. It starts working depending on the efficiency of the design at a 2 degrees C positive and 2 degrees C negative difference per side which means during summer it would work and winter it would work but it would be awful during evened out temperatures.

@TheDIYScienceGuy

8 ай бұрын

Yes, that's true. But even if it runs with such a small temperature difference, it doesn't produce much power. But it will be fun nonetheless! 😀

Interesting! Thanks very much

@graemezimmer604

3 жыл бұрын

Thinking about this overnight: As aluminium and copper are such a good conductors, I think that that good contact every few inches would have been sufficient. However my big concern is the length of the pipe. I can agree on the turbulent flow bit, but I think that you need large diameter side rails to carry the water in and out. That long pipe is going to severely restrict flow. The optimum design of solar collectors has been decided for years now.

@TheDIYScienceGuy

3 жыл бұрын

The points of contact would be the size of a needle points, this is also a big issue with normal heat sinks and that is why they use heat conducting past. It's indeed a long pipe but the calculations tell us that it will work. We will see if the theory holds up. 😉 Thanks for thinking along! 👍

What kind of heat exchanger did you use on your AC unit? I re-purposed a mini-split AC to use raw seawater on my boat as heat exchanger, I noticed that little heat exchanger you had on this would come in handy to circulate through my hot water tank on the boat for hot water.. well you are wasting energy on the AC, it would be good to use it to heat the water tank also.

@TheDIYScienceGuy

2 жыл бұрын

It's a plate heat exchanger. Nice project! Good luck with it!

you can buy thous aluminium plates with grouws for floor heating

Interested in the calculating of laminar flow and turbulent flow, where did you guys find the information to calculate? And thanks for posting all these awesome videos! VERY COOL and informative. THANKS!

@andrewlorona7360

3 жыл бұрын

It's related to the Reynolds number. www.omnicalculator.com/physics/reynolds-number

If the ambient temperature doesnt come less than 5 degree celciuos in all seasons the evacuated glass tube heat collectors are the best for domestic water heating systems.

@TheDIYScienceGuy

10 ай бұрын

But it does where I live. And I think my panel is much easier to build.

Nice.

What a fun video😁😁

چون پسر خوبی بودی درست گفتی چیکار کنیم تا پنل خورشیدی خوبی درست کنیم تمام جزئیاتشم گفتی دمت گرم خداازت رازی باشه

@TheDIYScienceGuy

2 жыл бұрын

نمی‌دانم می‌توانم این را خوب ترجمه کنم یا نه، گوگل آن را روشن نمی‌کند

Yes you can Solder Copper to Aluminum. KZread has some good video's showing how. Check it out.

@TheDIYScienceGuy

3 жыл бұрын

You are right!!! Thanks for telling me! Still I think the method we use now is easier and maybe cheaper but still, it's interesting! 👍

Very nice 👍👍👍 job sir.

Solar collector not solar panel. Still a good informative video!

Excellent build. With solar panel prices what they are why not just heat with electricity? With (8) 275 rated panels 4s2p , a disconnect and a 2000w 120vac water tank element ( in the lower tank position) you have a safe self regulating water heating system with no worries about leaks ,freezing etc. Over temp is controlled by a proper thermal DC switch.

@TheDIYScienceGuy

2 жыл бұрын

Thanks! Yes that would be a simpler system but you need much more surface area to get the same amount of power.

.. grappig....ik maakte ca. 40 jaar geleden ook zulke panelen......wel met een houten bak.....we hadden 4 bakken van 150x100cm ( als ik het mij goed herinner)....en maakte met een warmtewisselaar van koperen pijp in de zomer een vat van 1m3 water tot 65 graden. De boer waar we de (test) installatie voor bouwde kon z'n ogen niet geloven! Dit was begin 1980 en toen nog wat bijzonders......

Looks good. I was wondering why you did not lay the copper pipe transversely across the unit.

@TheDIYScienceGuy

3 жыл бұрын

Thanks! Because this is simpler and less risk that it is going to leak.

@fleaniswerkhardt4647

3 жыл бұрын

@@TheDIYScienceGuy I was thinking it would be simpler going across the unit - because there would be less bends to make in the copper pipe.

@TheDIYScienceGuy

3 жыл бұрын

A sorry now I understand wat you mean. Translation 🤪. Would probably also have worked but you have more expansion problems with longer aluminum plates.

Think of using thermo paste like on computer processors being mounted with a heat sink. The paste adheres an conducts heat.

@TheDIYScienceGuy

3 жыл бұрын

Yes we thought of that but silicone was more convenient. Thanks for the suggestion! 👍

@bradley3549

3 жыл бұрын

Two other options. One is a special silicone that is used for in-floor radiant heating systems. Available in normal 10oz caulk tubes and is basically silicone mixed with fine aluminum powder to increase the heat conductivity. I've used this with great success with in floor radiant heat. The other option would be automotive anti-seize paste. There is a formulation that uses primarily aluminum powder, but also one that uses copper powder suspended in a high temperature grease. Thermal conductivity is similar to PC thermal paste, but the cost is much lower.

Cool video

Nice construction so far and unable to locate the 2nd vid to finish the construction as well as the test results.

@TheDIYScienceGuy

3 жыл бұрын

Thanks! Here is the second part: kzread.info/dash/bejne/nJl_qq-eYM68kqw.html

Nice

hi how exactly this provide electricity? looks way different than any solar panels yet so simple Isn’t it reflecting lot of the sun? Why it doesn’t have that black material? What is the physics behind this?

@TheDIYScienceGuy

Жыл бұрын

It produces hot water. This is part 1 of 3. Here are PART 2: kzread.info/dash/bejne/nJl_qq-eYM68kqw.html And part 3: kzread.info/dash/bejne/dn2flM-cepq0eNY.html

Use roof steel panels which already have channels.

I wish if i have a friend like you

Will there be a problem with galvanic corrosion with 2 dissimilar metals potentially touching? Excellent vid, I’m looking forward to seeing it finished.

@TheDIYScienceGuy

3 жыл бұрын

No not in a non corrosive environment. In salty conditions this would be a big problem. But good thinking! 👍

@thechumpsbeendumped.7797

3 жыл бұрын

@@TheDIYScienceGuy I commented before seeing that you desiccated the inside of the panel. No moisture = no corrosion. How is the panel working and when is the follow up vid coming?

@TheDIYScienceGuy

3 жыл бұрын

It's doing very well! Followup will be at the end of June when the sun is at its highest point.

Hello, i am from mexico, very good video

Very nice aluminium handicraft. Other one is not necessary.

@TheDIYScienceGuy

10 ай бұрын

Thanks! What other do you mean?

Excellent work, you have done many well thought out technical details, the silicone for maximum transfer was a very good idea. Congratulations. You have my suscription and my like.

You should consider checking out Tech Connections page.. he has a formula/method for creating a thermal paste for extremely cheap and it would conduct better than your silicon.

@TheDIYScienceGuy

2 жыл бұрын

Yes I know that one, but found it to much work. It works great with silicone btw. Thanks for the info! 👍

Thermonuclear heat transfer mastic may be an idea to ensure voids are filled maximizing heat xfer

@TheDIYScienceGuy

3 жыл бұрын

Yes we thought about that but silicone was more convenient. But thanks for the suggestion! 👍

@TheJeffrey575

3 жыл бұрын

Sorry spellcheck substitution inserted “Thermonuclear” versus “Themon” which is very similar to silicone, but understand preference to silicone.

Good

Very interesting, fantastic job. One thing though, how can I as DIY person myself do that without any of that industrial machinery?

@TheDIYScienceGuy

2 жыл бұрын

You could make the housing out of wood, plastic, or just borrow one, like I did. Hope it helps!

@johngross688

2 жыл бұрын

Die grinder . I can do that lol 20 bucks harbor frieght?

I like it...🤩🤩🤩

Have you heard of using black !/2" pipe coils in a wooden box covered in glass? Paint the wood black on the inside and build high enough that you can get 3 or 4 coils inside the box. works very well and very cheap. Get much better results than this rig will. Just an observation.

Great video, bur isn't silicone a poor heat conductor? Are you sure that even a thin layer is better than an occasional air gap?

@TheDIYScienceGuy

3 жыл бұрын

It makes it a bit beter yes.

Impressive attention to detail. Why bother with so many small segments though? Seems like it would have been way easier to use a full sheet along the front or back and only small channels to clamp the copper tubing

@TheDIYScienceGuy

2 жыл бұрын

Thanks! A full sheet will warp when it heats up, so small segments break the tension.

Nice work. Do you plan on spray painting the panels black to absorb more light and energy? *Edit* nevermind, just watched the second video lol.

@TheDIYScienceGuy

2 жыл бұрын

Thanks! Have you seen the third one to: kzread.info/dash/bejne/dn2flM-cepq0eNY.html thanks for watching!

You want rigid and water-tight? Weld it...it'd be less effort than what you did. You're very clever ! I'm sure you could design and build a roller-jig to impress the copper-pipe groove just by turning a wheel that rolls the sheet aluminum through. At some point your time becomes more valuable than material or accomplishment.

@TheDIYScienceGuy

3 жыл бұрын

My welder can't weld aluminum, and my methode is more DIY 😉

@choimdachoim9491

3 жыл бұрын

@@TheDIYScienceGuy Uhhh...DIY??? Really? Using those large sheet-metal cutting and bending machines is DIY?

@TheDIYScienceGuy

3 жыл бұрын

I thought you meant how I sealed the joints of the aluminum housing. Indeed the bending is not very DIY but you can always pay someone to do that for you.

Looks good. I wonder why you didn't lay the copper pipe transversely across the unit.

Okee thanks Master Let go to may home🏡✌️👍🤝