What's old is new again. It's surprising to see how surprised people get about this sort of thing - as if we skipped straight from hand-washing to computerized washing machines. One generation of living with technology and we forget how to live without it.
I love it. I used to work for a company targeting markets in the developing world. It's really easy to take for granted the supply chains that exist all around us. I always like to see the creative solutions people come up with when resources are constrained.
PS: As an example, note the sheet-metal construction. In an industrialized country we would laser-cut all these parts. If you wanted to make this in an area with less infrastructure you might use a template and carbide gas torch to cut out the large shapes, then a hand punch to make the screw holes. More labor intensive, but still doable.
In an "industrialized" country we encase the real drum in a glued tight unopenable plastic enclosure to prevent the drum seals from being service replaced when they fail so that what used to be a small low cost repair now results in a forced new machine purchase.
Feel like replacing my piece of shit LG with this. It can only soak for a predetermined amount of time and if I try to pause it to soak longer it drains the water in 3 minutes. Plus, scrud!
My Mom had a washer that did this. I told her to unplug it to soak overnight. That worked, but she hated that thing, sold it, and took my sister's older washer that didn't have any "we know better than you do" features.
It sounds kind of sarcastic, yet that was actually the personal thought also. Really sounds like its comparable to the amount of work with modern machines anyways. Couple minutes of hand cranking, and otherwise, approximately the same. Owned a modern washing machine for years, and not sure if I've ever used almost any of the settings or features other than, "load clothing on default, push start".
Probably sell well in a lot of developed world markets for people who just want to limit their electricity use, live away from the grid, have less reliance on complicated electronics, or minimize money use in an expensive society.
You should use the bedding setting for large quilts and blankets, and the towels setting for towels, it really does work better. Experiment with the other settings so you can see the difference in wash time, water levels, spin speed and then you know which one to choose based on what you want for that load.
Oh and separate your laundry. Don't throw towels, blankets, and clothes in all at the same time.
Why separate laundry? I've tried it in the past, but don't do it anymore. Same result. The stains that can be cleaned get cleaned. The stains that would persist, persist. The only difference is the temperature setting.
As for separating colors - in my life I've had a piece of clothing stain other clothes 2 or 3 times. Once I put some white shirts and they came out pink because of another red shirt. Funny thing is, the pink was very uniform, so it looked as if the shirts were originally pink.
If my washing machine breaks, I'll get a second hand one. If I get a brand new washing machine, it will have to have a manual mode where I can set the desired program manually. For example, what is "towel setting"? If I can't see and modify the setting (e.g., A temperature for B minutes at C RPM, then D temp for E min for F RPM, etc.), I wouldn't use it.
Colors don't bleed much these days. Some might, e.g. on handmade clothing such as tyedye but most commercial colors don't.
If you wash items of different weights, fabrics, etc. together the load can get unbalanced more easily. Such as as single heavy towel or jacket in with a bunch of light synthetic items.
The "towels" setting uses warmer water and faster spin speed but an overall shorter cycle (at least on my washer) compared to the "normal" cycle. This probably presumes that towels usually are made of cotton and aren't very dirty.
I agree that a fully manual mode would be nice. My washer (LG) doesn't have that but by knowing what the various cycles and optional settings (e.g. soil level, extra rinse) do you can get pretty close to what you want.
I was always confused doing laundry in the US. Warm cycle or cold cycle?
I have 30C, 40C and 60C depending on what I'm washing. I probably have more programs, but never use them.
For pillows and stuff I adjust spinning, from 1200 to 400 RPM.
And I use special short, low rpm handwash program for wool.
(Side loaded ofcourse, that way the dryer can be on top)
It depends. My clothing doesn't (typically) need to tumble for long whereas towels might and bedding needs to go for much longer. In general it's probably better for fabric to be washed for less time if possible. It wears out.
Also if you pay close attention you'll notice that things don't come fully clean (old machines didn't either) just "clean enough". Throw some well used dog bedding in with your shirts and this fact might become more readily noticable. So it makes sense to wash like-use with like-use for that reason alone.
Check the user manual. The default program is usually not the most energy and water efficient one but rather the mandatory one for certifying the machine.
Same thing for dishwashers, the “eco” program is often not the best especially if you have an “auto” one.
For my new Bosch Benchmark dishwasher, "normal" actually uses 2.4 gallons and 1.25 kwh a load, is most efficient, and is quietest. There is no "eco" mode. "Auto" mode uses about twice the gallons no matter what's inside and slightly more kwh.
Maybe it’s a European thing. The eco program is the one mandated by law and the one they use for the energy rating.
But for machines that have a table showing power and water use, it’s never the most efficient one (in all the ones I checked). There is always a better program, it’s usually called “auto”.
Maybe it’s different in North America, idk what the rules are there.
I try to explain this to people, but they are so convinced by the 'eco' branding/rethoric that even when you demonstrate they still disbelieve, or more acuratly do not want to believe.
Yes, check the power and water usage table in the manual: all the ones I’ve checked (in Europe), the eco program is not eco when compared to others (especially auto if it’s there)
Eco is just the standard program they have to ship and must use for the energy efficiency rating.
My favorite modern "efficiency" feature has to be the machine refusing to unlock the door for me after it's been "too long". Okay, fine. Reset cycle, add some random item, whoops there went a bunch of water and detergent. Not my problem I guess. Say goodbye to those EnergyStar figures.
Nah, maybe the TC-5 could be argued to be relatively inefficient and pretty aggressive on delicate stuff (and loud), but the TR-7 is both efficient and gentle on clothing while being quiet. Have had one for a while and love it. No machine is perfect but this feels pretty close.
The TC5 is fine by me. I've never had a washer that worked this well. The noise level is the last thing I'm worried about when a meaningful cycle completes within 30 minutes.
Does being "inefficient" really matter for a washing machine if you don't live in the desert? Its not like they go through 100+ of gallons of water or ridiculous amounts of electricity even in the worst possible case scenarios.
At this point with having to read the manual to open the damned door I'm seriously thinking about attaching a belt drive, motor, driver circuit and esp32 running an http with spin/stop commands.
> We went back to the drawing board and really listened to the people we were designing for, for the context in which they lived. That research changed everything,”
I understand they had a very good idea to begin with, and more importantly their heart in the right place
And then further made it better with more input.
Reading the comments here the better solution for us is probably not to go back to "dumb" washing machines, but to regain control of how these machines are designed, for who and for what.
I'm thinking about Linux, which can be stripped down as small and nimble as needed to run a single board micro controller, or be large as needed to have everything to run an enterprise service. Being able to do the same with a washing machine would absolutely change their usefulness and place in our society.
I don't know how it could start, perhaps with an IKEA washing machine that actually needs assembly, for users to then tweak the parts, start comminities so we get at least in a KALLAX situation ?
>It works like this: after loading the clothes, detergent and water, and letting it sit for 10-15 minutes, users can close the lid and turn the handle for two minutes, repeating this twice more after ten minutes of letting the clothes sit in between spins. And voila — the machine can then be drained using the tap at the front.
I lived off-grid and did all of our laundry, a family of four (including a baby in cloth diapers), by hand, even in the winter (below -20F).
You know what works as well? A wash tub and a stick. Or a bucket and plunger. Or a posser if you're really fancy. I used a 30 gallon garbage can and a hand-carved posser. In mild or hot climates you can just stomp on it.
Same principle: Draw water, add cleanser, agitate for a couple of minutes, let it soak, return at some time in the future, agitate again. Remove laundry and let drip dry while you draw fresh water (mangles and spinners speed this up and are more effective, but not necessary). Squeeze wet laundry at lowest point where water has gathered. Repeat entire process with clean water, then lay it out in the sun prioritizing any sides with stains.
The secret sauce of clean laundry isn't how you agitate the laundry. It's just time and chemistry.
Water access, cleansing agents, and patience are fundamentally more important than providing "revolutionary" contraptions. It's the same difference between teaching people about no-knead bread and giving them hand-cranked stand-mixers. One solves the need for intensive manual labor and the other doesn't, but introduces a new point of failure.
And even importing enzyme-containing detergent is unnecessary. Plant ash (a source of alkali) and aged urine (a source of ammonia) are all you need to create what's known as bucking lye which cleans just as effectively and uses byproducts that they themselves produce by default. Residual stains are removed via UV from sun drying.
This is the sort of comment I was hoping to find. I have focused in this area - improving lives of the poorest as efficiently as possible - for a long time and my immediate thoughts about this washing machine was that it was overcomplicated and definitely far too expensive (for many reasons) to ever really make a difference. Though, that won't stop these folks from doing this and receiving donations for it into perpetuity.
So much is possible if you just look at how nature, in one way or another, can do the work for you. No knead bread (or, better, periodic stretch and folds over the course of a few hours) is a perfect example. Or making a composting toilet/latrine by just adding sawdust, ash etc. Or simple and cheap rocket stoves that burn the smoke. Or cover crops and cultivating soil structure and microbes. Etc
The key for what you shared (and, i suppose this machine) is how little agitation you actually need, and how there's plenty of ways to do it with no fancy equipment. Can you share more about your experience, or even share some links, about the amount of agitation needed, how "cleaning" actually works (you said time and chemistry - but how?), and how to make effective, low-cost detergents anywhere?
The metal design in the article is still more flexible and durable. I also assumed the Japanese version would be targeted at disaster situations and/or remote mountain areas and be more repairable, but the cost saving part seems to be a major selling point.
The clothes falling down from the upper half is described on the slides, so I assume the rotation isn't fast enough for the clothes to stick to the walls, or it has an elliptical rotor to make sure there a speed difference ?
For many reasons, I expect to see a lot of new products and solutions going against the main trends of locking down the user, planned obsolence, rent seeking from buyers, and limiting their choices.
Imagining a company shipping the home appliances equivalent to Frame.work laptops: open, reparable, hackable, and upgradable. I would happily connect them to my home wifi, program them the way I want, and have one hub that allows me to monitor health, upgrade firmware, control functionality.
You'd be surprised at the places that have electricity, like houses in middle of nowhere, central asia. One of the challenges with engineering technology for the global south is that poverty is wildly different for different people. I met a professor working on flatpack windmills to pump water/electricity. The major challenges he kept seeing in the the Andes weren't the sorts of longevity/efficiency/logistics issues we usually solve with standard engineering, but how the products interacted with local politics and society.
To add to AlotOfReading's point, many places have some electricity, just utterly unreliable.
It might be down a few hours every day, or completely cut for days after storms or infra degradation, or the current fluctuate too much for delicate electronics. Many places could also get hold of a gasoline generator.
These kind of variations could require more thinking on the design, but being able to use electricity when available and hand power when needed would be the best.
Ideally the people on the ground thinking about their specific issues and having open ways to adapt the machine for it opens the door for many kind of evolutions.
He started in 2018. In 2021 he had shipped 30 (to Iraq). Wanted to ship 7500 in the next 3 years.
Fast foward to 2025: he has shipped 500 in 13 countries.
Hopefully, with his partnerships and local production (in India) his ramp-up will fasten up. I wish him luck.
I really like the practicality and simplicity of this.
Designing stuff for real humans to use, is really difficult, and really humbling.
In my experience, defense contractors really have to take the user context into account. It can be life or death. I used to work for one, and seeing the stuff come back from the field, was a lesson in humility.
There are lots of little hand-crank washing machines on Alibaba and Amazon. Most are plastic and rather fragile looking. Many seem to use the mechanism of salad spinners. The Sears WonderWash seems to be popular.
Sadly arm strength and endurance is way worse than legs, this should obviously work with pedals like a bicycle. I would even be ready to buy one to replace my daily commute when working from home.
I was glad to see this because I had the same exact question, but then I realized that given this machine seems to be designed for manually loading the water into it, a dedicated "rinse cycle" probably wouldn't help much because it's probably easier to just manually rinse the clothes after.
This is very cool. Great that it’s built out of metal for longevity and repairability. Wonder if they could make the radius of the rotation smaller since that seems like the most likely ergonomic improvement I could see from the demo.
The THIRD sentence in the article explains that they ship to the US. You are tone-policing your hallucinated version of the article!
> Enter Navjot Sawhney, who founded the UK-based social enterprise The Washing Machine Project (TWMP) to tackle this, and has now shipped almost 500 of his hand-crank Divya machines to 13 countries, including Mexico, Ghana, Iraq *and the US.*
Can you give one example of someone you know or have heard of who could benefit from one of these as opposed to a really cheap rental grade 120vac modern washing machine? You’d have to not have electricity to need one of these and rural electrification was a thing over 100 years ago here.
I wouldn't be surprised if the US ones weren't mostly used by people with camp sites. Even the poorest people have elctricity. But affluent people have remote camps.
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