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I found someone else testing sand battery

Short answer it is lost heat at the moment, but I have run some tests with using it. I have used it to dry out wet wood before I put ifiber glass nsulation in, I put kindling on top of it that was when the temps were between 200 - 350 deg for like 6 hours.... so drying worked great. After put...

This is my latest experiment..... 2 1/2 gal pot filled with sand. On top of this is a stove top heating element powered by 3 260 watt solar panels in series. On top of this is a dutch oven about 1/2 gal of sand and a rail road rail about 12 inches long. all of this is in a trashcan...

https://www.newsweek.com/nasa-spinlaunch-space-slingshot-rocket-5000-mph-how-works-1696790

The limestone cycle quicklime -> limestone and back again.

Here is another way this has been done, a rechargeable heat battery.. https://www.snappyheat.com/how-it-works.html sodium acetate CH3COONa - it's also the primary flavoring in salt and vinegar potato chips....

I have an idea that I have been working on. I want to store heat chemically in such a way that after the energy is stored I can release that heat months after I have stored the heat. I started thinking like this with Zeolite as this is a process that works, but getting a hold of zeolite is...

Chickens sure do take sand baths, but I would not advise it... The bacteria are not a factor as I am only using the water as a heat exchange. If I hooked this up to my home water system indeed it would be a factor one would consider.

Perhaps we might want to branch off into multiple threads? I think I might create a new thread for wood powered sand battery, or thermal mass heat storage.....

Now I want to measure temps with my laser probe on my sand canisters...... Sand does not have the cnvective currents that water does. thus the heat should not move out the same way..... Sand is insulation when dry it does make me wonder I wanted to run an experiment with mason...

So using nitrol wire to make a kiln may be a better choice.... The advantage would be for convenience for bending metal..... they are very handy if you want to put a bend in metal and not heat up the entire bar.

It is along this lines is what I was thinking.....

No, I never made it that far, I made several "free energy" devices and came to the conclusion I was putting too much $ in and getting zero energy gain out that I moved on to systems that give me energy every time like solar..... I have been working on looking at ceramic kilns, and I...

I used to collect this with magnets for making cores for my Muller motors, ahh those were the days.

Yeah, I am off grid, and have like 30 KWH of storage. I have been always looking of how to use that energy even wiser, I am interested in the heat pumps that run directly from solar, that has my attention.

Yeah, the more I look into it, it may need to be something custom... I am hearing numbers like for 1 unit of energy you put into a standard coil heater you get 80 % energy out, but with a heat pump you get 200% back ( provided you have optimal conditions ) .... This makes me want to...

Another thought........ What if we took the water tank from this system and replace it with oil...... Then use the heat pump to heat the sand by having the oil tank in the center of a sand pile... From what I have heard heat pumps are more efficient than heating coils.... System is like...

One thing that I want to test is to take a dryer vent hose and run it thru the sand...... That might be the way to move from my rocket stove to heat the sand....

I have been looking at various ways of insulation. Perlite, straw + cob, all seem to be ways to get the job done. I have also been looking at using something called "Styro crete" which is air crete + styrofoam. I used a lawn mower to chop up a huge amount of styro...

I was thinking ( which is a scary thing ) of building a cob oven insides with fire brick, inside then coating that with cob. Next with about 1 inch of cob on that create a pocket on top of the cob of dry sand. then in the sand put heating elements, then seal all of that in...

I have bought a pump already for my setup that can deal with high heat. This will be built outside so I can design it as I want. I am thinking more to a design of a cob oven with either a TLUD or a rocket stove inside.... Have you looked into Nicrome wire? I had an idea of taking...

I am in process of making my next sand battery. I want to heat it either by solar panels, or by burning trash / wood.... I am looking to figure out how to get that heat trapped into the sand with the rocket stove.

Yes, I have followed all his videos with great interest. Looking at his temps over 250 degrees in the morning, if nothing else he has created a solar powered cob over or crock pot if he was to put a pot of beans in they would be cooked ;-0 I have completed my most recent project which is...

Interesting...... I have a 12V, 24V, 36V systems... I noticed that after my 36 V system was charged, at 2 PM each day that I had tons extra energy that I was not using from the solar panels.... So, after much testing I went direct from the solar panels to my hot...

I agree I am not heating the sand as you suggest. The problem with your suggestion is that dry sand is an insulator It may heat the first few inches like on a beach but unless you had good insulation the heat would be loss. Both of our methods use the sun... I do agree yoru...

I have been testing this by using a hot water heater combined with pex pipe to + pump to heat the sand. It is much better to use a restive coil combined with a solar panels..... I switched over to using the solar panels direct to my hot water heater coil, now I have free hot water...

I have gotten to the point now that when I goto buy an appliance that I want to put a kilowatt meter on it and test it before I buy it. I prefer used because I know it has lasted this long, there is a good chance it will still work. I normally research the model before I buy so much...

About a year ago a friend of mine said he was going to replace his golf cart batteries. I directed him to Will's videos and he decided to get some lithium batteries. For him it was like going from listening to a radio to color TV, the change was dramatic and he said he was not...

I thought about that when the balloon from China went over.... They were getting ready for the nuke for EMP so having the balloon to collect the data before the real one would help them.

Actually I don't. I run these full blast when he sun is shining to use the max amount of watts the solar panels produce About 5,000 watts of solar. I keep an eye on the battery, and I also use the timer function on the AC and set it for like 5 hours. After the AC shuts off I go...

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The amount of watts pulled depends on if you have it set on full blast or not...... Hotter days more power required. The most watts I find it pulls is when in dehumidify mode. I am very pleased with it as it is portable, and quiet and so much easier to install than a mini...