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Welcome to /diy/, a place to:

Post and discuss /diy/ projects, ask questions regarding /diy/ topics and exchange ideas and techniques.

Please keep in mind:
- This is a SFW board. No fleshlights or other sex toys.
- No weapons. That goes to /k/ - Weapons. The workmanship and techniques involved in creating objects which could be used as weapons or the portion of a weapons project that involves them (e.g., forging steel for a blade, machining for gunsmithing, what epoxy can I use to fix my bow) may be discussed in /diy/, but discussing weapon-specific techniques/designs or the actual use of weapons is disallowed. Things such as fixed blade knives or axes are considered tools, things such as swords, guns or explosives are considered weapons.
- No drugs or drug paraphernalia (See Global Rule 1). If you want to discuss something that could involve such things (e.g., carving a tobacco pipe from wood) that's fine, but make sure it's /diy/ related and doesn't involve drugs or it will result in deletion/ban.

Helpful links:
https://sites.google.com/site/diyelmo/
http://www.engineeringtoolbox.com/
>>
Some friendly suggestions for posting:
- First ask Google, then ask /diy/. Your question will probably be better received if you do so.
- List available resources (tools, materials, budget, time, etc.)
- Try to use pictures and explain the goal, if possible
- Be patient, this is a slow board; your thread will be around for days.
- Share your results! /diy/ loves to see problems solved and projects completed!

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DISCAIMER: If you hate cardboard box threads hide this post, however I have a question regarding them that I've never seen discussed and I'd like to talk about it with people who arn't afraid to call bullshit on shitty ideas.

I have a large amount of land and want an underground room just for fun. I am corrugation certified and I have a good utility knife and a decent roll of tape. Let's say I wanted to brace a cardboard box to handle the load of the surrounding soil. What could I do to to make this possible? I'd prefer if all tape was on the outside.

Keep in mind that for the purposes of this all I'm interested in is making a cardboard box not get crushed by the surrounding soil.
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>>779265

damn, I forgot bout that thread...

why is /diy/ being trolled so much lately? are the fags on /b/ that bored?
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>>779261
>>779258
Am I the only one who got that he was making fun of the incessant buried shipping container threads using dry wit and sarcasm?
So joke thread but not troll thread because it's obviously not meant to be taken seriously.

>>779241
... slow clap btw.
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>>779241
Everyone knows cardboard bonds with surrounding soil if both are simultaneously moistened with high-pressure water.

Wear eye protection, then after burial stand inside the cardboard enclosure and EVENLY penetrate the entire surface area with water from a pressure washer.
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>>779241
10/10
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>>779267
>Implying /b/ are a bunch of fags

Fuck you

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Hello /diy/
I need some advice on how to protect a Gopro camera.
I do full contact sword fighting with sword and shield, and the full body is target, so I can't find any safe place to put the camera on.

So the next thing is constructing or buying some kind of protection, wich, in the case of a sword strike, it protects the camera.

Any advice is welcomed

Does anyone else like tiny houses?
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>>779259
So-called "mobile" homes are typically the least expensive way to get square footage in the US. Other turnkey choices include RV trailers and RVs.

RV trailers are the best choice for most MOBILE requirements as they are designed for repeated mobility, aren't burdened with a drivetrain which can turn to shit due to prolonged sitting, and are simple to keep roadworthy.

Tiny houses on trailer chassis are designed to work around zoning obstacles and are not typically designed with mobility as a primary consideration. The wheels, like the wheels on mobile homes, are for delivery and limited movement. The trailer base would take a pounding but most trailers are flexible and that doesn't play well with wooden structures connected to them. If you build on a skid base then all the trailer does is carry the house as cargo which is structurally preferable. It also allows you to unload the house if you design appropriately.

Each home is an answer to a specific situation with specific constraints including cost, size, versatility, mobility, energy efficiency and zoning. You need to compare specific options to find what will best suit your requirements.
Normal "trailer" homes aren't much problem unless they are deteriorated. One way to get cheap mobile space is to buy a used mobile office. Often shorter than conventional mobile homes, they can be had cheap and converted easily.

You should become familiar with the internal systems of these home options. They include wiring, plumbing, any water tanks if you are using an RV trailer or similar tiny house, HVAC options, and waste plumbing if you connect to sewer or septic.
Artfag exteriors can be useful in getting neighbor acceptance. If you are in a hipster area that could help you sell the house when you leave. If I were operating in such a place I'd prettify my exterior and make it as desirable as practical. That's not difficult with some forethought. Play to your real audience. You might profit when you move.
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>>779264
>it would be off grid.
That's a really cute goal but I'm sure you have no idea how much money it takes to accomplish that or the kinds of compromises that are involved to reach that goal.
You'll have to have a septic tank, a well, a large bank of batteries, and a power source that's somewhat constant. Be it wind, hydro, or solar (solar being the most expensive).
And the availability of those and their output is going to greatly limit what power usage you can demand from it. So you'll probably end up having to decide between a washing machine, air conditioning at a comfortable temperature, or a water heater. If you can't live without modern appliances you're going to be fucked. And being "off the grid" gets really expensive really fast.
>>
>>779272
Not him but
>You'll have to have a septic tank
You can compost human waste
>a well
Rainwater tank is more likely
>a large bank of batteries
It depends on how many electronics he uses. Could cook with gas, watch no tv and only use LED lights at night. Doesn't really require a 'large bank of batteries'.

>air conditioning at a comfortable temperature
It's possible to make well insulated homes that won't need any air con.

>water heater
You can buy wood fueled or gas fueled burners.


Comment too long. Click here to view the full text.
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Has anyone ever built one over a pontoon boat base?
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>>779272
Going off-grid means being self-sufficient means lots of usable covered workspace to build and maintain the equipment you need. That's why farmhouses aren't fucking tiny and barns are required.

You can certainly learn to live off-grid but the years of accumulating the skills, capital, and equipment also make living near-grid so much more affordable that going off-grid for other than masturbation reasons becomes unattractive.

I totally encourage accumulating the gear and skills to be as self-sufficient as practical. That's all win. I wouldn't live off-grid unless I had to. Being able to function if the grid goes down is different. You can enjoy grid advantages yet be comfy if during grid outages should some disaster cause them.

If I had to I could raise more chickens (I rather like the little fuckers, they lay eggs aplenty and wipe out most of the bugs in my yard) garden, burn my own wood and pump my own water by hand. My swimming pool makes a nice rain cistern and I have two wells, one with a hand pump. If I used it daily it would get turned into a pedal pump since legs are stronger than arms.

That route turns your life into perpetual hard work for survival so I'll maintain the option but not do it normally. Living like a sharecropper sucks. Check some Walker Evans photos from the Great Depression for the joys of off-grid living when things go wrong!

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After months of delay, I've finally made some serious progress.

All the infrastructure is in place to start making the retainers.

Some notes:

-Vmax for tooth movement = .29mm/wk, so I'm going to be moving at half this rate for safety.
-every two weeks I will move to a new retainer. I will also check the integrity and accuracy of the retainer against a new Permastone mold of my teeth.

Next steps:

-Modify scan mesh to separate teeth into movable geometry.
-Print retainer positives, and vacuum form the first retainer.

Pic related is the laser-scanned result, compared to an permastone-casted alginate mold of my teeth.
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>>776412
So weird, My teeth look exactly like yours, down to the forward set lateral incisor
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>>776147
I hope you get cancer.
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>>776412
Can you make a sleep apnea oral appliance for me after you're done with your orthodontics?
>>
Remember that "Leave it to the professionals" is a sentence coined by the pros themselves.
>>
>>774012
I'm new as to what you're trying to do OP. Are you just making a retainer for yourself? Why are you going the 3D route as opposed to traditional with stone models? Curious because I'm a dental tech and I work with 3D software

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Small/stupid questions that don't deserve their own thread. Old thread >>753008

As a reminder, questions related to electronics go in /ohm/ >>767395
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Can you apply both a flow meter and a pressure regulator to one gas canister?
I need the benefits of both apparatus' on the one tank.

I want to set the pressure, and control the flow rate.
>>
I'm seeing USB to FTDI cables being sold for ridiculous prices online. From the pinouts, it looks like it's just a stripped down USB cable with some female pin connectors. Are there any hardware differences? Can I just splice my own USB cable to interface with FTDI stuff?
>>
>>779162
to avoid a kinked, crinkly mess you'll have to fill the pipe with cerrobend, or a shittier less reliable substitute like ice or hard packed sand.

once the pipe is filled you can cold-bend it however strikes your fancy. even the HF pipe kinker would work.
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>>779240
>meter
indicates a reading only, not regulation

Control flow by adjusting pressure.
It might help if you explained what you are doing and why
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>>779248
>Cerrobend
Man, that's really cool

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So I am going to post some pictures of a stool project I am doing ATM.
Enjoy.
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I now know how to make a wooden stool.
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>>778230

Actually there is a difference.

I tried to put glue on sawdust, but it turned out in big clusters, most of which stuck to my fingers.

Pushing the glue deeper in openings and applying sawdust en masse seemed to turn out OK, only problem being they tend to be pushed deeper. I.E. have to repeat the process at least twice.

My mistake was to use sawdust, I suggest using sanding dust.
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>>778220
>>778496

Thanks!

This is my first project to go on /diy/ and comments like this make me feel it woun't be last.

I also have made my kitchen table in similar manner.
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>>778682
Tikkurila wood filler man. Bring a piece of your lumber to the shop to colourmatch.

It does wonders to all your fuckups if properly matched and sanded.

Also I own the same chisels, they sharpen really easily and hold the edge well. Like them a lot.
>>
Very nice OP!

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Are there any tools worth worth buying here?
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the hf wood lathe isnt horrible. its a good starter tool
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>>777990
>pneumatic slide whistle

i actually want one of those. this may be my next project
>>
follow the rule of thumb: if it has moving parts, steer clear.
>>
>>779219
having said that, their 1/2 inch drive ratchet makes an excellent hammer because the metal is softer than most your ordinary metals so you can hammer studs and whatnot with it without damaging them too much.
>>
>>778228
>>778231
I feel like i'm waiting for really good porn to load.
and it sure is taking its damn time

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No matter what I do, my workbench its always a fucking mess, its just part of the workflow when doing electronics, but there has to be a way to stop this diy,

i come here to ask for any kind of tip, suggestion or anything i can buy or do to keep this more organized,
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>>
get a work cart from harbor freight where you can throw all your shit onto that you're currently using. then you will have free workbench space and you can just wheel your cart away to get rid of a mess.
>>
Don't forget pegboard and hooks for constantly used tools.
Also check Walmart for plastic fishing tackle boxes. Plano etc are US-made and great for organizing small hardware and tools.
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Shelves are the key. Also buy a bigger table.
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>>779252
> Not posting the updated version
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>>779255

Thanks, saved, that's a neat lab. I also just realized it's the same guy who was making the switch sinth thing, cool.

Nice cat too, I might get one in the future if I end up being a lonely electronics wizard, I'm just an apprentice at the time.

Hello /diy/
Me and my friends we need to create a night vision scope to add on a camera
In fact, I can't remove the lens of my camera, so is it possible to create a systeme to put on the lens ?
2 replies omitted. Click here to view.
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>>778699
We wanted to do some paranormal stuff
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>>778701
go to /x/
>>
>>778705
Yes I will do it later I'm waiting for the answers from /diy/ and then I will do it
>>
Buy a cheap 8mm sony handycam with nightvision
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>>778698
Put together some ir leds
our eyes can't see the light, but the camera can.
And there are probably a ton of apps for phones to make a green filter

Hey /diy/,

I have long been enamoured with the idea of self sufficiency, as well as a minimalistic approach to the way we do things. I am currently looking around at property with the intent to buy some time this year, with the further intent of buying once and trying to the best of my ability to get it 'right'. This means allowing for kids down the track, as well as a little room to grow and change things up if need be.

My questions today are in relation to self sufficient farming, or as close to as you can get. I am a vegetarian, so I don't need space to grow live stock, just as much fruit, veg and whatever else I can manage. Even if I wasn't, I am looking in suburban areas so the space would just not be there. I would love to go live in a cabin in the woods, or a shack in the country... But that won't be happening just yet.

The ideal, I guess, would be able to provide for myself + fiance year round, though I understand this might be far from possibly, especially whilst setting it up and learning. My mum has always had a decent veggie garden, but it's been a long time since I tried to grow anything, and back then it was more for enjoyment than sustainment.

I am interested in knowing how much space you would need for a good set up? Are there ways of, for lack of a better term, stacking things up, like adding another story on a house? (Something I am planning on so I can have more yard!) I have been doing a bit of googling as so far I have found a bit of stuff but would love to hear first hand.

The other question I have is... best place to start out! As I said, I will be starting from scratch in terms of a set up, and not far from scratch in terms of my knowledge. I love reading and learn best reading and then trying, so any resources you could recommend would be awesome!

I am from Melbourne in Australia, which means our climate varies from touching 0 Celsius in winter, to 45 Celsius in summer. Approx. 30-115 Fahrenheit, I think?

Cheers
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>>768693
>>775126
more pics like OP?

sorry for my lack of one
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>>778974
>allowing something like that to happen

There are fences for a reason. If you want to hunt/trap wild food, do it. Just don't let it fuck up your garden. That is foolish.
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>>768731
Cool video.... ton of work and your kids better get on board
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>>778737
Here's where I found it:
https://thegranddisillusion.wordpress.com/monsanto-vs-farmer/
but like this layout better http://www.i-sis.org.uk/whoOwnsLifeNotMonsanto.php

>>778915
Just start now. There are people who are self sufficient in a city backyard, even if you live in an apartment building, call landlord and see if you can setup hydroponics on the roof. most of the cheap land left is hilly/has terrible soil/is difficult to get to (not near a road). otherwise it would be a farm already, since farms get displaced by cities.
all hilly land means is that you wouldn't be able to tractor etc easily.
And this discussion is mostly about self sufficiency as to food. It's really REALLY hard to make enough money farming to cover all living expenses including health insurance and retirement planning.
The point is it's not that hard to backyard garden and cover most if not all of your food needs.
Look up kratky method for low cost low maintenance hydroponics.
Also, you can get aforementioned land for 1000-2000 an acre; this to plan space needed >>769330
I've seen a 17 acre plot going for 30k asking. You'd need to build a house there yourself though, and septic, but you could tiny house it with an outhouse which i've seen plans for about 5k.

And the discussion is aimed things that are hard to industrialize but more efficient farming such as hydroponics/aquaponics/fogponics/hugelkulture/permaculture/etc.

Comment too long. Click here to view the full text.

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So let's say I wanted to make a telescoping tube that slid with little resistance... how would I do that?

I was thinking small tube + big tube + some sort of ring bearing + lubricant + a screw on cap on the back and a lip to keep things from getting in so much.
22 replies and 5 images omitted. Click here to view.
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>>779042
>some sort of ring bearing

Linear bearings will do that for you, but they might be a bit thick. Look up LM8UU and see if that or some other size will suit your needs, as they can be aquired quite cheaply if you're willing to skimp on quality.
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>>779158
use a telescoping baton
>>
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>>779158
>>...why not just use offset sprockets?
http://sheldonbrown.com/biopace.html

Part 1

Telescoping tubes are not a good way to accomplish this. I also hope you have experience working with sheet metal, machining, and welding. Because if you can't make a prototype to test on a stationary bicycle you're not going to be able to go through the iterative process required to develop something like this.
>>
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>>779245
Part 2
You can put a linear slide and just attach the pedals to one end of a bar with a follower at each end.
The leverage advantage is likely to not be comfortable at the extreme degree of separation you have and the resulting cadence is likely to be uncomfortable. So you will have to experiment with multiple lobe track profile positions in order to get a result that's useful.
So consider making the track for your followers very adjustable with multiple set points.

As others have pointed out you will need a nested tubing and bearing that does not allow the force on the pedals to rotate the two nested tubes. Asking linear bearings to handle an off-set load such as this is going to be a big problem and I'm not sure which type will be able to handle it.

It's clear you don't understand any of the disciplines involved in engineering or building something like this. And that leads many of us to have no confidence in you being able to make anything of your idea. You're trying to complicate a motive device that has already seen over a century of engineering.

"Greater leverage" is done currently with gearing.
>>
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>>779250
Part 3

You are ignoring all of the people that have tried to point out that you are duplicating the work already being done by Oval chain rings. Here's the clearest illustration I can provide for you about why.

Your mechanism is simply shifting the center of rotation for your pedals away from the center of rotation for the sprocket. You are ending up with an elliptical sprocket output, without actually using an elliptical sprocket. The resulting chain output from your mechanism will be a varying gear ratio.

Leverage Advantage = Gear Ratio
Oscillating Gear Ratio = Elliptical Gear

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What are these things called?
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>>778491
>>778491
They are def not panduit but panduit straps. Panduit is the plastic channel bundles of wire are run in. Automation Engineer reporting.
>>
>>772630
Scissor blunters.
>>
zippity doo da's
>>
>>772630
>irritating
>>
>>779206

actually panduit is a manufacturers name. Kinda like Channel-Lock, Vice-Grip, and Ski-Doo.

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Hey /diy/. I want to build a solar generator. I have seen some videos and i have a rough idea on how to make one. Its nothing advanced. I know DC wiring etc and all the components. Just not sure where to get stuff. Like a heavy duty DC cigarette port. Most are rated 15 amps tops. I want thicker wires so i can properly use 12 volt car products. Many get terrible reviews for being weak but thats mostly due to voltage drop in those tiny wires. Also other bits, breakers, a good plastic box for it and a good deep cycling sealed battery. I thought about lithium but all the bits to keep it stable is what makes it expensive plus the lack of charge controllers. Thoughts?
3 replies omitted. Click here to view.
>>
a bump.
>>
a bumpu.
>>
15 A is basically too much for a cigarrette lighter socket already. They tend to have very high contact resistance, and are prone to meltdowns. If you're running a higher power device, you should just use some other kind of connector (Andersson, banana plugs, etc..) You can buy thicker wires at any auto parts store (this should be obvious), or scavenge old computer power supplies for 16-18 AWG stuff to parallel up.
>>
>>777391
1. Why do you need a cigarette port for a solar generator?
2. How hard is it to google 12 AWG wire for sale?
>>
>>779257
So i can use a lot of 12 volt products. Coffee pots (single serve), phone chargers, etc. I would also have a small inverter on it. I know i can rewire some of the ports but i was wandering about the 12 volt female port itself. I want to find the most robust high amperage version possible. Anderson connections can do more but that means making custom connections for all of the stuff i have and it is also hard to make it flush to the case.

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Help diy,
I rode the bike through rain and now I'm getting no spark. I tested the coils (resistance from low voltage to high voltage and I'm getting nothing) but is it common that they'd go back because of riding through rain?
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>>778309
the bike stalled about 2 months ago, i had to go to school and im back now for spring break. any water would be dry by now.

>>778330
ill check the air filter tomorrow in the morning. I've checked that way (screwdriver inside the boot, then on a body nut) for spark already. theres no spark in any of the cylinders. I've also checked the leads going to the packs, they get power (checked by connecting continuity tester to the frame then to the leads, if the leads are getting power then that should close the circuit and in turn the tester's light would come on, which it did.)
The bike cranks.
There's no smoke.
12 volt battery.
It's a honda shadow 600.
>>
>>778444
not that it would make any difference on spark, air filter is clean and dry.
>>
>>778692
bump?
>>
Have you tried checking your ground? Had the exact same problem about a week ago with a friends' bike, parked in the rain and no spark afterwards. Ground connection between frame and engine was gone, measured 250 ohms instead of 0.
Try measuring the resistance between the ground on your coil and battery / engine / frame
>>
Search this forum for ignition troubleshooting and post your problem:

http://www.hondashadow.net/forum/

When you have a problem with a motorcycle, fucking go to forums for that specific fucking motorcycle and to good general forums. Since your ride is modified chopper forums are also useful as they often have simplified wiring diagrams you can use to streamline your harness.

Motorcycle harnesses are often designed for production convenience which is not the same as maintenance convenience.


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