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Wondered if there may be a solution to element over-heating and low in-sand heat radiation by using two or more elements in the same bucket of sand where physical bi-metal switching between elements would still allow direct solar connection.
If your recommendation is satellite radio what happens in an emergency and they decide to turn off access to the satellites because they don't want people communicating?
Meh. I've had this one for 2 years now. It's okay. I constantly max it out because I only have 400 watt residential panels. Three will send into over voltage. If you're serious, you'll eventually move away from these stand alone controllers and get AIO. For RVs and small systems, they're fine. But no comparison to a an AIO with 500+ volt PV input
If you need hot water, coil some copper tubing just below the surface of the sand. Then pipe it to wherever. It could be stream, so design appropriately.
@@texasprepperprojects Is that the device you have wired between the panels and the heating element? Do you have a link? And thank you for the response This device looks like a project I could build to keep my plants from getting to cold. I live in Texas also and have harvested tomatos and haberneros the week of Christmas. This looks like something I could experiment with. I already have several solar panels.
Britain had these 65 years ago, they were called block storage heaters, they charged at night using off peak electricity, they had a room thermostat that turned on an internal fan which would blow the heat out as required, they were discontinued because too many people bought them & off peak time ceased to exist.
Greetings from sunny Jamaica 🇯🇲 I have just come across your video. I have a 24v system which is 4x12v 200ah gel batteries, and I would like to replace those gel batteries with 4x12v 100ah lifepo4 batteries. Question is can I connect the lifepo4 in series parallel as i did with the gel batteries. batteries
I've been watching several of your videos and I want to thank you for making these videos. Your information is valuable and helpful. Please continue the awesome work!
It is a lovely charge controller. I bought one last year November and hooked it up right away. Its been running perfectly since then, sometimes maxed out at 60.6 amps from three 450 watt panels. I am going to upgrade to 24 or 48v soon to reduce my amps through it so it will run cooler and be less stressed.
One thing I like about this unit over my EcoFlow units is the inverter size and battery capacity ratio. For me, it would be ideal to have a power bank with a 1500 to 1800W inverter and a battery capacity of 2 to 3KW. Most manufacturers are focused on how much a unit can power so they focus on larger inverters which in real world disaster scenarios, the most important thing is making sure your food does not spoil and a 2000W and higher inverter with an equal battery capacity or smaller will at most run a full size 26. cu.ft fridge for about 15 hrs. I have an EG4 5kw battery and inverter that is 3kw only run the same fridge for 37 hours. Inverter efficiency really suck on the larger units, they can consume as much as 1kw when idle in a 24 hour period . This company is on the right track. If they offered this unit with the same size inverter and a 2kw or 3kw battery capacity I would buy it immediately. As it stands I daisy chain 2 EcoFlow Delta Max 2000 and a Delta 2 to my fridge when I travel out of town in case there is a power outage and I only get 46 hrs of run time should power go out.
In my opinion, ,,water heat battery” will work a lot better. Because the water from the battery can be moved in order to heat whatever you want to heat. In your example, the heat from your battery, how are you going to use it? You still need to transport it through water or maybe through air. And whenever you do that conversion from sand to water or air you will lose a lot of energy. So, realistically your experiment doesn’t work. Especially when it’s known that water will cool down slower than sand. Maybe there will be someone who will say that water doesn’t go higher than 100’celsius. That’s true. But you just have to increase the volume of your,,battery “. More hot water means more heat.
I have thought about getting a sat phone or sat device like the garmin inreach. Like anything, what is a persons goals and use case. Im trying to rely less on infrastructure, so simplex communications is the way i want to go, mainl via hf in the desert. I do still carry a handeld or two with me. While working, its in my work backpack. While on the trail/out in the field, i have two with me. I use the wilderness protocol when in the woods. I try to have redundencies as practically as possible.
It is not cold. You would have to move it to the fridge. Yes, it needs power but only 50 watts, so it's not much. A gravity filter is passive but very slow and only takes out so much stuff. This is faster but does need power. A very small power station would run it fine
That’s crazy the difference in the amount of solar panels you would need to run the 48 volt as opposed to the 12 and 24 volt.. does the 24 volt require more panels then the 12? I was hoping to just have a little cart that I could pull into the woods with me or my backyard for yard wordk etc. to run like a sawall or skillsaw or angle grinder and tools like that, or even maybe for the potential to run a small space heater in a garage for an hour or two once in a while. But at the same time I need it to be fairly portable and the least amount of hassle in terms of setting up the panels. Simply put I am a very “plug and play” type of folk and I like simple and efficient. But I have watched a bunch of prowes videos and he said that it would be a waste of money to buy the little jackery or Bluetti power bank and panels considering how much cheaper and more power you can get with these DIY carts. Thanks for replying sir you make your videos very easy to understand
don't bother with the space heater. Use a Mr Buddy Propane heater instead. I'd personally buy a 24v, 100 or 200 amp hour battery and 24v inverter. You can pull more power, more easily. Just make sure you 're getting at least 30v of solar into it, which is easy if you buy a used residential panel off of CL.
Really nice setup I am trying to make a setup but am not sure how to get started.. just curious is the battery designed to be used up on its side like that?
Its not "air conditioned" wind, right? The temp of the air delivered is the same as the air received in the bucket, right? You would be cooler because of the effect of air flow. I can see this as an adaptive passive cooling strategy kind of like the wind chimneys in the middle east
i heard someone with a receiver AM Radio heard some Russians and Ukrainians Arguing aboot the "War" for me im interested in having a HF Radio but id use it to listen for Long super far countries as im in England a small island vs u USA lot hahah i did use a basic electronics kit that had a basic FM transmitter and i found a way to boost the FM Siginal and used an old eastern forengn satellite dish my family had way back in like 70s. or so im still not sure how or what service they had it was like sky but not for uk or usa channels. anyway. i used the old dish and managed to interfear with 100.00FM capitalFM/Channel from about 10 20 houses away it was the last time i really illegally used that in 2007ish i also in 2015 talked to some London bus driver and got told off over HAM Radio i was 20ish
Wouldn't an aluminum plate painted black be like 4 times more efficient than PV, if all you're doing is heating sand? The plate absorbs 99% of light, and only doesn't a single state change, where the PV is 20% efficient max.
Every situation is different.... And we have no way to know what SHTF scenario we will find ourselves in.... Ham radio has its place.... The more skills you have the better your chance to survive.... Ham radio is much better for gathering info than GMRS without requiring any great skills.... I had my ham radio programmed with the most important 50 local emergency channels and services within a day or two, starting with zero skills... Intel will be far more valuable than communication when SHTF in any long-term scenario.. Comms are only good for asking for help, but no one is coming to your aid in most long-term SHTF scenarios... You will be hiding out more than looking to be discovered in most long-term SHTF situations
The insulation on the cable is Butyl Rubber low energy heaters are called irradiant heaters as the heat is more lower temperature than say a 3kw fan heater
I am kind of nervous when you don't process the equation to the variable you are looking vor! You were looking for current in Ampere. Why not writing: current = voltage / resistance?
Thank you for the comparison! 👍 One important thing to note is water will evaporate, sand won't. Also, depending on your heat source, sand can be heated significantly hotter than water and still retain the same volume, no evaporation, no unwanted steam or humidity. 😉
I have a question. I have a 55 gallon removable top drum with a water heater bung welded in 1/3 from bottom. It uses a 110v element in past to heat waste oil. Could this setup heat that size container? I am only looking to keep an 8X12 greenhouse warm at night in the deep south. It usually freezes here 4-5 nights per year and would be great to have growing temperature most days
I also have a 12v 200 amp power queen lifepo4. I am thinking of purchasing the same one and turning it into a 24v system. The problem is that I also have to buy a new 24v inverter.is there no need for a fuse between the 2 series connected batteries?
I have two Garmin inreaches , few UV5R and ft891 in man pack set that I never got to work. I agree I with you I don’t don’t get much use of any of my radios but I do enjoy the APRS beaconing with my FT5DR
As a prepper, i have some paracord. Never used it yet. Not sure what ill be using it for in the zombie apocalypse. We do have a ton of rope we got at auction. Have used that alot on our flag poles, and for tying down tarps.
You are absolutely correct about repeaters. HF is useful for determining if cities are alive or dead when the grid is down. Yes that is difficult and traffic length is not needed to find out who is alive and dead as far as cities. aF5u 73
Insulate the sand container, then the effects will be satisfactory. Most of the heat escapes through the sheet metal of the container to the outside, which is a very large loss of energy. Greetings from Poland :)
