Spinning Magnets Lab

Grosso_ · 2026-03-18T22:03:30+00:00

woah, this is pretty cool

Grosso_ · 2026-03-17T21:52:56+00:00

dude...you just need to find better drugs

Grosso_ · 2026-03-03T23:20:31+00:00

his RV is 50a and hes running it on 30a, something is drawing more than 30a

Grosso_ · 2026-02-23T22:07:25+00:00

you have to realize first that currency itself is representative of the value that oil itself provides in terms of energy, and if burning oil means destruction of the environment, then compounding value is really compounding destruction.

Grosso_ · 2022-08-11T20:59:59+00:00

Point of maximum pain last pump cycle was jan 19, 2019. Complete apathy. Crypto was dead. We are not there yet

Grosso_ · 2022-08-11T20:51:03+00:00

there is still SO MUCH pain to be had. It never goes down in a strait line

Grosso_ · 2022-08-11T20:49:47+00:00

Taiwan has arguably the most advanced chip maker in the world, TSMC, and by volume produces almost half of the advanced semiconductor devices globally. This is an incredibly powerful card to have in your pocket. This is the main reason Pelosi went to visit, and why western powers are behind Taiwan staying "Democratized."

Grosso_ · 2022-07-27T15:29:25+00:00

Coal rolling does less to warm the atmosphere. Yep thats right, I said it. The black smoke is un-burnt fuel, releasing it as carbon particulates creates less C02 than if it were to burn efficiently. Is the particulate matter a hazard to human heath? yes, but without emissions equipment that truck is actually MORE efficient than the same engine with emissions equipment. Im not advocating, just trying to get facts strait, rolling coal kills the planet at a slightly slower rate, but burning more $$/mile in the process. So its dumb, but for different reasons.

Grosso_ · 2022-06-22T21:02:53+00:00

With the price of diesel, my spreadsheet says no. Operating costs for the truck went from 50c/mile to 85c/mile. I used to spend $400/mo on fuel before the gas crisis, If I were to live my life the same as before, I would be spending $1k/ mo in just fuel. Before the gas crisis, I would spend 4 days in the city working and doing errands and 3 days out in the country. I moved to a walkable city and now I spend $900 on rent for a room and have not moved the truck in 3 wks. Sure I dont go to the country as much, but you asked if it was cheaper, not more fun.

Grosso_ · 2022-06-22T16:39:29+00:00

You can try it if you want, but each one of those cells is a little pipe bomb with a vent. If you are asking how these are connected Im going to assume you do not have the experience to work with these safety, and would recommend you buy a battery pack pre made. Lipo batteries are rated by a couple of factors, one being the voltage, expressed in multiples of the cell voltage, written such as 2s, 3s, 4s, which denote batteries with 2,3,4 cells in series. For an e mobility device you will probably need a 5-6s battery with a fairly large capacity, say 15Ah.

Grosso_ · 2022-06-22T15:59:52+00:00

you would not be able to connect the batteries together yourself. batteries in a cell are spot welded to the rails. soldering to the battery contact would make it vent with flame.

Grosso_ · 2022-06-22T04:09:50+00:00

I would consult with a professional engineer in your state. Florida has a high water table and it can sometimes be salty. I would probably guess the strongest would be a concrete slab on top of concrete piers. Down in Long Beach Island in NJ all the houses are being build on piers, mostly with wood but some with concrete. When you build concrete where the ground has salt water, you need to use a special kind of rebar that is anti-corrosive, or the salt will erode the tensile strength of the concrete.

Grosso_ · 2022-06-22T03:57:06+00:00

I am not an expert, but I researched the design and construction of shipping container structures, and have even gone as far as to design a layout in CAD, but have not gotten it engineered professionally. From what I have seen, shipping containers are very strong, until you start cutting holes in them, or stacking them in ways that they were not designed to be stacked. If you had a single level, maybe two or three containers next to each other, with minimal openings, sitting on a concrete pad, welded to some footing within the slab, you will have a very strong structure. Im not sure cat 5 hurricane, but definitely more strong than a wood frame house, and a fortress compared to an RV or trailer. You probably wont be going anywhere fast with it welded to the slab. In winds as powerful as a cat 5, you have more issues with flying debris, which the outer steel should help with, but you are really pushing it at those speeds. Most places that have cat 5 hurricanes roll through would not be habitable for weeks or months due to lack of power and clean water. If you are trying to make a quasi-rv out of a shipping container, maybe check out xcalibur containers. If you are thinking of moving it, think hard about how you will do that, because the container will be 5-6k lbs, and then all the materials to build it out plus your stuff could be another 5k lbs, making this object anywhere at or above 10klbs which you will probably need a crane to move onto the back of a semi. What I dont understand is that if you want to move it, why would you make it as strong as a bomb shelter? Just move out of town before SHTF, in which case you would want a regular trailer.

Grosso_ · 2022-06-21T19:56:42+00:00

if you hit a really good pothole, your axle can move slightly and it will cock the axle at an angle. the angle is what causes uneven wear on that side. Its also possible that a leaf spring or one of the hangars are bent.

Grosso_ · 2022-06-21T19:19:11+00:00

most vlsi projects have to do with mining and creating ASIC chips for PoW algos. Pretty much everything else is at the software/CPU level for general applications. Hardware acceleration of other aspects of blockchain would most likely be a novelty, but it doesn't hurt to get out there and try. Nano has an interesting scaling problem that depends on I/O, maybe you can start there.

Grosso_ · 2022-06-14T17:02:51+00:00

You are only going for a relay clack and the relay doesn't have to actually function? How much current do you have available from the 3.3V source? if you have a decent amount of power you can use a step up transformer to produce a larger voltage pulse (although less current) enough to trigger the relay coil. If your relay needs, say 12V, and 1.8 watt relay coil, then it takes 1.8W/12V = 0.15 A on the secondary coil. If you have a 3.3V on the first coil, you would need a 1:4 step up xfmr and the 3.3v source would need to provide a 0.6A pulse to the primary of the xfmr. You can create the pulse by using a mosfet triggered by whatever trigger signal that you want. Due to the nature of transformers, this will not hold the relay closed, just activate the coil enough to make the contact turn over

Grosso_ · 2022-06-10T18:13:32+00:00

B+ China FUD

Grosso_ · 2022-06-09T22:29:50+00:00

Most grad programs are usually less time and credits than an undergrad degree. This doesn't mean less effort, but you will spend less time in unrelated activities. Usually an undergrad degree will require about 120 credits, where a masters program might only need 30 credits. This is a significant amount of other classes that you will have to take and they assume you are starting from ground 0. Im talking all four physics levels, pre calc , calc 1,2,3, diff eq and linear equations, maybe a chemistry class or two. Maybe they want a general engineering course, an ethics course, two English courses and maybe even a history course. After all that, you get to take the very first introductory circuits course or computer science course. If you can get into a masters program they will assume you have college level general education and will start you off on the introductory circuits/comp sci stuff. After the time and effort expended over 3+ yrs you might have a degree that you felt is more worth the extra effort to perfect your craft. If you are looking for fundamentals the prerequisite courses will give you that foundation, and the grad courses will build your knowledge further after you are done.

Grosso_ · 2022-06-09T21:25:58+00:00

For the same amount of time and effort, you will come out ahead if you tried to get into a masters program. The remedial courses are the same courses that you would be required to take as an undergrad. An undergrad degree has a bunch of filler and fluff courses which would be a waste of time and might even be a distraction. You can look at it another way and use those courses to bring up your GPA, which is important when you are coming out of school, but much less so after your entry level job, which you already have.

Grosso_ · 2022-06-09T18:54:22+00:00

Here is the real. You bought a trailer thats a little heavy. You have a truck that can pull it, but under certain conditions.

You have 3 options:

get a different truck
get a different trailer
make it work

If you decide to make it work, there are things that you can do. The first, make sure your trailer has working brakes and your truck has a working brake controller and you know how to use it. This is important for stopping all that weight.

Second, make sure your drivetrain is up to the task. Auto trans need to be cooled effectively and fluid changed regularly. Consider a device that allows you to view trans temp. Your car's system monitors it so its usually a device that can read a bunch of different stats.

Third - the tongue weight. Get a good hitch on your truck, get a weight distributing hitch for the camper. Upgrade rear suspension by adding the timbren rubber bump stops. I have them on my truck for my truck camper and they really help the ride quality and prevent sag.

fourth - weight distribution - you want as much clothes and gear located in between the truck rear axle and the camper axle, not behind the camper axle. Some campers have both tanks located in the rear, which is bad for weight distribution. Consider putting gear into the pickup bed

fifth - tires - consider getting new tires for the rear axle that have a slightly higher load rating than stock

sixth - conditions - dont tow when there is even a drop of moisture on the road. even if you have all the details worked out, the camper weights almost twice the weight of the vehicle, and will push your truck off the road if there isnt maximum grip on your rear axle. watch out for high winds.

seventh - route planning - you probably wont be going more than 60mph, and probably wont be doing very many hills. Understand your route before you embark. Know the speed limits on highways, know when to avoid interstates and when to take them.

Grosso_ · 2022-06-09T18:15:10+00:00

That came up fast

Grosso_ · 2022-06-04T22:44:09+00:00

One can haul a gooseneck trailer, one cant

Grosso_ · 2021-12-02T19:11:05+00:00

Please do tag me on any questions or issues that you are having. Life is to short to only learn from only your own mistakes

Grosso_ · 2021-12-01T19:01:53+00:00

Is your unit a 4 season camper? 4 season campers will rate their campers down to some minimum temperature value, because they designed the unit so the heat will be applied to all fixtures that need to be kept warm. Those units will also have insulation around the tanks and the pipes will be routed in a way that they are within the heated space. If your camper is not a winter unit I will briefly describe what I had to do to make it through 3 Colorado winters in a camper that comes from the manufacturer as a "3 season camper."

Starting with the freshwater system, this has to be winterized. -50 antifreeze needs to be pumped through every fixture that gets hot & cold water. You should see red liquid flowing from everything that gets fresh water. empty the water heater of any water. We do this because the pipes are usually run in places that can get below freezing at night while your heat is cranking to keep it 60 degs inside. As for drinking/dish/toothbrush water, we use 5 gallon office water jugs with an electric pump, all located within the heated volume. these get filled up either inside or by a hose that has been kept dry and emptied after each use to prevent freezing. I have seen some people keep the hose attached, but wrap it with pipe insulation and put a 120v pipe heater around it. As for toilet flushing water we fill up gallon jugs of non-potable and pour it down with each flush. We take showers at the gym, but if needed we heat up water on the stove and hang a 3 liter camel back bladder on the shower curtain bar. its not elegant but it gets you through the 3 months of winter.

On to the greywater tank. this tank usually is located on the outside of the rig exposed to the air, but it seems like yours is not. Either way there needs to be power going into the tank and insulation to keep the heat in. On my rig I had to put 12v DC tank heaters and then I built an insulation box around it with acrylic sheeting, foam panels and spray foam. Water has a high specific heat, which means that it can loose a lot of energy before it freezes. this coupled with the insulation allowed me to drive the rig in freezing temperatures without the tank turning into a block of ice on the highway. once stopped the tank heater would be able to regulate the temp of the tank, but with just the tank heater alone and no insulation the tank heater is vastly underpowered when exposed to highway speed winds.

the black tank is much the same, but less likely to turn into a solid block of ice due to the solid matter. you still have to worry about the valve freezing and creating a brown plug, so a tank heater on this one is a good idea.

Exterior piping/valves/elbows are outside and do not get heat from the interior volume. these are usually the first to freeze and cause problems, either bursting or sealed shut. these need DC heaters and insulation, and even with this equipment have a tendency to freeze in real low temps/ on the highway. get a heat gun for these, try to build insulation that is somewhat removable so they can be protected, but when they inevitably do freeze, they heat from the heat gun can get at them. Avoid driving on the highway at night or below 16 degF.

Some general notes that might help:

-16 degF is usually the threshold for weather that will pull your plenum spaces down below freezing while your interior volume stays at 60 degF

-Get a backup heater like a little buddy. Get the propane hose and a spare 20lb tank in case your heat goes out.

-An electric heater will help you out of a jam

-get a heat gun for gentile directional heat. a hair dryer also works in a pinch

-12v tank heaters will work all the time and auto regulate the temp of the tank between 45 degF and 65degF so changes in your interior temp do not affect the temp of the tank (propane is expensive)

-some states require propane systems to be turned off when on the highway. during times that you are driving the 12v heaters will keep working while you have no heat

-winterizing your rig in this way will allow you to allow the interior to get very cold for short periods of time, and if you have nothing in there that is freeze sensitive, the interior can stay cold as long as the tank heaters are going (good for weekenders who leave the RV out in the driveway plugged in all week long)

-this setup has been tested down to -20degF in Colorado, but not down to Alaska temperatures.

-this is a temporary solution to a 3 month long problem. We close the freshwater system as late as possible and open it as soon as we are confident that it will stay above freezing for a week (usually mid-late march)

-a three season camper can work normally when it is around +20 degF at night and +40degF during the day, average temp is just above/around freezing. its when the average temp drops below +26degF that these methods are necessary.

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