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Archived threads in /diy/ - Do It yourself - 114. page
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Hello /diy/! I'm just wondering if anyone can identify this tool for me, I bought it at a flea market, the seller told me that it had a small hook at the blunt end that he'd snapped off, it's 7 3/4 inches long. Any help would be greatly appreciated, thank you!
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OP here, for some reason I feel that it's a metal scriber but I haven't got a clue, any ideas would be very helpful
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Rasp / punch?
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It looks like a centre punch but I dont know why you'd need one that long.

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Might not fit /diy/ 100% but it worths give a try.
Does any of you lives in a house with very dry air?
I moved into this studio apartment and I wake up every damn morning with dry mouth. May sound silly, but at weekend if I want to sleep more or stay in bed, I cannot because I feel like having a mask on my mouth that makes difficult to breath. As soon as I stand up, situation gets better, but it is annoying that if I want to rest. A couple of friends of mine that happened to sleep overnight had the same feeling too.
This winter I could put some bowls with water on the...
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>windows open
Yes that will make it dryer. Or at least increase air circ, making it feel dryer if its not humid.

The colder it gets, the dryer you will feel as well.

Go get a humidifier. The electricity to run it will be pennies compared to building your own rainforest.
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>>993492
Have you tried buying a neutral, unperfumed, hypoallergenic moisturizing cream?

Get one with lanolin. Make sure you drink enough water.
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>>993507
my problem is not the skin. Sorry, maybe the picture is misleading. Is more dry mouth and breathing issues.

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Hey guys

One of my 5 meter HDMI cable connectors broke like pic related and I'm unsure if I should just throw it away or keep it for something else. What could be done with it? HDMI cables have 19 internal wires, if I'm not mistaken.

A new cable is cheaper than attempting to repair it.
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>>993444
Strip it and sell the copper. Probably not worth the trouble though.
>>
It would be possible but not worth it unless you cannot replace due to location.

Is it in a wall or something?
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>>993449
No, it was running across the room. I'll buy another cable. I was wondering if I should just discard or keep it.

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Im going to be sending out themed mail to someone and i want the box to look like its been passed around for a few years before it got to them.

How do i make it look old and worn?

Its going to be a regular box wrapped with brown paper, tied, and sealed with wax but i dont want it to look new.
31 replies and 6 images submitted. Click here to view.
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You can make the paper look older by dragging a wet teabag over it and then drying it on the heater.
The more you repeat this the older the paper will look.
Furthermore you should follow your pic.
Add some kind of seal, some rope, handwritten etc.
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>>993418
You can also use coffee instead of tea.

Try also crumbling and straightening the paper a few times. A light sanding with fine sandpaper could also create a worn down effect, especially if the box is made of cardboard.
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>>993418
>>993421
These help.

Also what should the packing material in the box be, shredded paper?

This is a surprisingly hard subject to research on.

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Anywhere I can get molds to pour myself some resin dice?
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They won't be fair
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>>993402
I can't find a model for it so I guess your best bet would be to create a model by yourself.
(sketchup, autoCAD or something else) and then get it printed. Then you can use your own dice molds.
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>>993422
Also what >>993420 said.
Self printed/made dice are almost never fair.
This is why dice are way more expensive than their material costs

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Hey guys,

so we're going on festival soon, and I have some parts left from various car setups from which I want to build a music box.

In the image you can see the components I have. I've got two questions though:
- Can I use the input of the amplifier and connect it with a chinch-to-aux cable, so I can directly connect a smartphone to it? For a car radio you need a hi-lo-adapter... so this should work out right?
- Will the battery last for a reasonable time? If it is completely full

Sorry for the bad montage lol. Thanks in advance for help!
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>>993339
Also, any improvements are greatly appreciated.
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>>993339
Bumping with hope!
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>>993339
Nobody have an idea?

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I've got an old metal shed in my backyard that's been there since before I bought the house that I want to take down. I don't plan on replacing it with anything; it's just an eyesore. It's small, about ten feet by ten feet square. Don't know what metal it's made out of but I do know it corrodes. It's been sitting out there for about twenty years of storms and is slightly overgrown with ivy, so I imagine it can't be very structurally stable at this point.

I have a stepladder, sledgehammer, bolt cutters, and your average assortment of conventional house tools. I don't keep any power tools on hand, but I can easily rent some. I have experience using them, but not for metalworking, so I'm hesitant to leap into using them for that purpose.

Pic related is close enough to what the shed looks like. Sorry about the stock photo; I'm away from my house right now.

How would you guys suggest going about this project, aside from the general strategy of "empty the shed, remove the ceiling panels, and knock down the walls"?
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>>993296

>get pickup truck
>get chain
>attach chain to tow hitch on truck
>attach other end of chain onto a corner support post
>put in drive
>pick up pieces and place in truck bed
>use reciprocating saw to cut wood on parts to large to stow
>strap the shit down

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>>993300

That's a great idea, but unfortunately I should have mentioned that the shed is about thirty yards deep into a fenced-off backyard, on top of a fifteen-foot hill and in a thicket of trees. I don't think the pickup truck solution would be very practical
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>>993303

take a pic of the shed

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What's an easy to use, yet reliable, RC receiver and transmitter pair?

I have a pretty good idea about how to make a remote control using an Arduino, but I have no idea about the RC part.
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There's a few options now and none of them are expensive. What kind of data do you need to send? Do you need 2-way communication?

(shopping on aliexpress)
1. there are cheap single-channel rf setups that have a 4-button remote, and a receiving unit board. usually 315 mhz, cost = $3, range is maybe ~50 feet line of sight

2. there are cheap single-channel "arduino" board modules there too, that just use TTL input to transmit "pulses" from the transmitter to the receiver board. One-way only and you must write the system to tell what the...
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>>993242

BIKECAT
>>
Xbee or NRFL24L01

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Rate my raised bed /diy/. First time gardening that not 1 tomato in a pot. Have cherry tomatoes, full size tomatoes, bell, jalapeño, and seranno peppers, onion sets, and eggplant. Bush beans in the back in some tilled earth but I'm iffy on them. Any input is appreciated.
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Bunny guard here, will her smell keep them away? Granted this pic was before fencing. Mostly to keep her out.
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>>993199
Just eat the rabbits too.
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>>993222
I'm thinking about it, a 22 short in the middle of the night. I doubt they'd wake up. Share it with a heeler pup.

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I've got this hidden bookcase door that I need to stop from sagging.

W: 29 1/4"

H: 53"

D: 11 11/16"

It's twisting forward on the left side (shown) and I've got to find some way to rebuild it and strengthen it without showing anything in front (on the shelving area) and I'm limited on the sides and bottom for supports. Currently it's supported by another board screwed onto the right side which has had holes routed out for Soss hinges (Shown below)


http://www.amazon.com/s/?ie=UTF8&keywords=soss+hinges+212&tag=googhydr-20&index=aps&hvadid=77212464432&hvpos=1t1&hvexid=&hvnetw=g&hvrand=13455505179127009958&hvpone=&hvptwo=&hvqmt=b&hvdev=c&ref=pd_sl_64k8ub8cpe_b

The...
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>>993181
>Inventor simulation of bookcase to illustrate sag

This might be the most autistic OP I've ever seen. I love it.

Below (or above) each shelf that sags, put a plate. Aluminum is probably enough, you could get thinner with steel, but even plastic might work.

Affix it in the corners or along the perimeter of the shelf.

If the edge always sags most, which it generally would, you can get by with just supporting the edges this way rather than covering the entire...
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>>993181
Put a beam under each shelf anchored to each side.
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>>993181
is this somthing you've built already and it's sagging? or are you just concerned from this model?
I doubt MDF would sag like that over those dimensions unless you are actually having this floating like a door, and there is no support from the ground.

in that case I'd suggest reconsidering having it floating, especially considering it's a hidden door, you want it looking as set-in-place as possible.


if you NEED it floating, it's probably going to need a stud up the left side...
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Hi /diy/

So I've been building this lawn mower go kart thing for a while now but the motor on it is being a peice of shit. It's a 6.5 honda GX clone and when i got it it was pretty trashed. Since then i've done fucking E V E R Y T H I N G to it, but it still won't run for more than 3 seconds before dying. My thoughts are the previous owner fucked up the valves, it's pretty hard to turn over, and that's literally the only thing left i haven't fucked with on it.
Any small engine gurus out there with some advice?
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ughhhhh sorry for upside down image
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here's a tail end view, i took the valve cover off, checking lash with a feeler gauge.

just a list of shit i've replaced on this thing:
new carb, spark plug, ignition coil, exhaust pipe, air filter, fuel line, fuel filter, kill switch, changed oil, new governor/throttle linkages, new pull starter, new side cover gasket. this thing is pimped out and i'm sick of it not running
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>>993061
Should have just bought yourself a new engine. You can order them online, ya know...

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I'm currently trying to fix a problem with cooling on my Asus G53Jw. I'm getting 60c-70c on the CPU when idle. I have done to usual things: replaced the thermal paste and cleaned the fans+exhausts. After investigating I found that the problem was down to the power wattage. The power profile (balanced and performance) keeps the cpu wattage at 54.21w. Setting it to power saving seems to be the only way to lower the wattage and heat. As this is a gaming laptop, I don't believe that keeping it power saving is going to do me any favours.

My Idea is to modify...
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The First idea is to place two 30mm fans directly above the cpu.
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The second plan is to place 80mm fan on the case
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Last is to remove sections and replace it with mesh.

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I want to make a small internal combustion engine. A bore of maybe 1" to give you an idea of the scale. I've made several models in Solidworks and 3D printed them before, so I'm familiar with the construction of all the moving parts.

But is there any recommended reading on construction of a carburetor? I understand how they work, that's not what I'm talking about. I mean given the displacement of my engine, is there a simple way to calculate an optimal diameter for the carb bore and fuel nozzle?
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>>992975
>A bore of maybe 1"
So a 5 horse briggs
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>>992975
Home shop machinist forums and model aircraft forums would be good sources of information. The bore you want is similar to some larger engines for model aircraft. Copy their carbs.
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>>992975
maybe just buy a cheap one meant for a 100-200cc engine and adapt it?

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>watching videos of ppl making "cheap alternatives to an AC unit" that involves spending nearly $100 for the actual contraption then only taking the cost of the fan running on high and loud as fuck into the cost affect and not the fact that you have to run your freezer to keep making ice, then manually emptying several gallons of water out every hour or so while not spilling it and the only air in the room that is cool is the area immediately infront of the fan (one guy literally holds his thermal gun to the side showing its almost 90, then WOW...
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Yeah, it is silly. I wish the Fed.gov would fund more research into phase change AC alternatives instead of banning known good refrigerants.
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>>992720
As a poor fuck who can't survive over 75 degree temps without AC, I understand your frustration.
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>>993745
Have you looked into a swamp cooler? It wouldn't work if you live in a humid place but beyond that it's pretty close to AC.

Hey diy

Apprentice plumber here,
Just throwing an idea out there.

The main level of my house gets quite cold,
I was thinking about pulling a line off the hot water tank and running sort of a wild loop in the joist space.

Would something like that be possible?

Or would the water just sit in the pipe and not circulate at all?

Any ideas?

Thanks fellas
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>>992688
My house is heated with radiators that use hot water running through pipes. It uses a bigass furnace that isn't connected to the water heater though, I doubt that a water heater would have enough juice to do the same. Plus you need to regulate the temp and pump the water through.
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>>992688
They make timed water circulators you can put on the hot out, and it will circulate hot water whenever you have the time set to come on throughout the day.
>>
>>992688
Calculate the number of BTUs needed to heat a room

How many BTUs can your water heater put out

Not enough.

There are radiant floor systems specifically designed for this kind of workload.

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got some dismantled old desk that I don't need, so I'm thinking of using the boards to make some cool shelves or something, so I'm listening to ideas
pic related, it'w what I'm working with
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>>992562
burn them
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>>992574
very helpful cunt
>>
Go make some cool shelves, OP. Hopefully it'll be a learning process for you and fuels more creativity. Make something you'll at least be using, so it doesn't go to waste.

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I have here a fucked D-Link DSL-500B ADSL modem. It can't connect properly because it's 8 years old and the capacitors leaked. What can I do with it, besides throwing it away?
>pic related
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fix it
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>>992459
The acid that leaked did not damaged the circuits?
>>
Looks perfectly serviceable to me.

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I’m looking to enter a trebuchet in a (raw) egg throwing competition, rules state “A team of players construct a gravity powered machine based upon the ancient trebuchet design. The base of the legs is restricted to 2 square metres (outriggers may protrude beyond this). The power source must be contained within a 9 litre container.
I have a few weeks to do this and I have a decent amount of space to test, looking for ideas as to how I can calibrate it to fire set distances, do I just have various marked start heights for the counterweight or would I need to adjust the...
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>>992350
I've built smaller trebuchets before. There are rules of thumb that you can look up for proportions that should get you in the ballpark. You should probably use a pullcord trigger, which would be easy to rig for specific spots for set distances.

Some fiddly stuff you should be prepared for: For best performance, a trebuchet should be "tuned". This means that the payload, counterweight, arm lengths, and sling are all working optimally together, and virtually all of the counterweight's gravitationally...
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170kg of tungsten is around 20 000 dollars.... steel and lead are more feasible. The sling pouch design will the most critical part as it needs to distribute the acceleration forces evenly on the egg and release the egg cleanly so it doesn't break up at that point. Its definitely going to take some time to optimize the machine for maximum range.
>>
>>992375
>170kg of tungsten is around 20 000 dollars
You didn't give a budget. Some people spend lots of money on competitions like this.

>The sling pouch design will the most critical
Probably not. I've never had any issues with any slings. Most any soft material will not break the egg (trebuchet accelerations are very gentle as catapults go), and unless the sling grips the egg like a glove (it shouldn't - cup it just enough so the egg doesn't...
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The red parts are 18 gauge (1,2mm) 20mmx20mm tubing and the green ones are 40mm x 40mm (also 18 gauge).

I'd also probably bolt it to the floor to add stability.
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Dimensions.
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>>992274
Well, since you never asked a question in your post, I'll just stick to pointing out that this is a terrible design.

You have absolutely nothing on it which will make it the least bit stable. Put some form of bracing on it, otherwise all of the legs are going to rotate and twist with respect to each other. Put crossbracing (diagonals) connecting the legs together in the long direction, and at least put cross bracing on each end in the small direction.

Also, the bar you have connecting the legs together near the bottom is the least efficient option you could have. The bar isn't making the legs any stiffer, you should really have two bars, one on either side.

If it's fully welded, it will have some stiffness, and might get the job done for what you need it to do (maybe) but it is still a bad design. You could get the same stiffness at a fifth of the weight if you make it better.

Sorry if that sounds harsh, but if you are considering bolting it down, it sounds like you need it to be good, and the bottom line is this needs work.
>>
I think it's overkill unless you're gonna be taking apart a V8 on it or something, but as anon says
>You could get the same stiffness at a fifth of the weight if you make it better.

Hey, what papier maché recipe do you guys use? Which do you think is most effective?

I am torn between using just flour and water, or using corn starch and water. I am Canadian and cannot buy liquid corn starch for reasons unknown.

And should I spray my work with acrylic sealant before painting?
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>>992163
Plaster and water. Or maybe joint compound and water (I've seen it cheaper than plaster).

Both will be cheaper and stronger than either of your options, and will last longer.
>>
Google stolloween ffs!
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>>992163
use flour or corn starch only for a VERY short-term project. Like, a few days, a week at most....
Once the bugs find it, there will be no stopping them and you will have to throw the whole thing out.

And I thought that corn starch was solid?... I am USA and work for a grocery store chain, and don't ever remember seeing liquid corn starch
besides, you can just add water to it anyway.

pic unrelated

I would like to make a bedframe with storage in it, like picture related (but not the god awful color). It will be for a single (twin) size bed. I want the cubbies to to go all the way through, from one side to the other, across the bedframe. I want to be able to store some rather long boxes in there so they will need to be at least 10 inches wide, 13 inches tall and however deep a mattress is wide. I would like the cubbies to not have any obstructions inside of them but I am concerned this will weaken the design and cause it to rack on me over time. Will have the single 'open'...
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maybe I'm missing something but why wouldnt you just build a normal bedframe and store the boxes underneath?
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>>992162
I like the look better. Also my floors are carpet and the boxes wouldn't be as easy to slide around. They are that multilevel carpet stuff that was popular in the 70's and 80's. Thats what I do now and its causing the boxes to come apart. They are only made of cardboard. Picture related.
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>>992156
this is the IKEA FLAXA

no dividers, just 3 walls and a single, huge open space.

The walls are 1" particleboard (MDF) and its plenty to support the weight of 2 people.

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Hi diy,
im trying to draw arcs with 2 stepper motors attached to an X and Y axis, the arc must be drawn from point A to B in a cartesian plane, given the starting and endpoint point coordinates.

The problem is that i cant figure out how to tell the motors how to get the arc divided in lots of steps. (im using an arduino)

help this peasant diy. :l
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>>991979
Was it really too much effort to check if your old thread still existed?
>>990730
>>
I'm not sure I understand your goal. Are you using 2 stepper motors to move a point in a Cartesian plane from a given starting and to a given ending point?

Adafruit has a motor shield and library for controlling steppers that you could use. You really don't even need that though if you understand how steppers work and can get an H-bridge (L293 I believe is a good general purpose one).
>>
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>>991979
>>991979
First thing that comes to mind is that two points do not make an arc on a plane. You need three points at least.

Take a look at the attached image, that's called midpoint integration. It does something different, but it gives you a nice set of vertical and horizontal lines that approximate the curve. The denser the rectangles, the closer the approximation of the curve. When they get really dense it'll stop looking like a bunch of corners and...
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Is it better to build your own house if you want to live in a very rural middle-of-no-where area?

I'm thinking of moving to Montana, but most of the houses are either really overpriced or they look like shacks and almost all of the properties are way too close to towns. I want to live somewhere that's far enough away from other people that I can just be left alone to shoot on my property at any time without bothering other people.

I'm thinking of just buying some land and going with something that's cheap, sturdy, and easy to build. I've...
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1st of all I'm not an expert, but why do you want to build cement house? Do you plan to move there permanently? I'm not sure if this type of house wuld be a nice place to be in, I would feel like in a bunker.

Maybe think about building log cabin first?
https://www.youtube.com/watch?v=QHXNWJj8cus
>>
Ferrocement is bitchass, just make sure it's covered in good insulation against damp, both ground and ceiling/walls
Loads of windows a must (roofs included) - you will need LOTS of light not to feel like in a burrow.

Also, consider this - http://earthship.com/
>>
https://www.youtube.com/watch?v=9-UawJo5blU&list=PL3F06C35DB74DBD2D

Build a cabin

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Ok so I wanna make this bonfire like "zen-garden" style, and the only thing I don't know how to do is the sword or the iron from the bonfire. Any suggestions?

For the fire I was thinking of hot coloured glue, but I?m open to suggestions.
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Close-up
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>>991970
>>991973

Why do we have so many autistic dark souls item crafting build requests.

It's just some fucking stone. The sword will turn black and rust. Good luck making the sword.
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>>991970
Make a sword with a nail, see this https://youtu.be/ii0C3j1ZZvk

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Hello /diy/ I just want to know some things about how to put aluminum together, like how would i cut it and bracket it ect. I want to make a diy pc test bench for myself out of a shitty case i have. any ideas?
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Tig weld or rivet.
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>>991896
The joints on an aluminium computer case are usually done with rivets, it's probably the easiest way to do it (just drill a hole in the two pieces, get a rivet gun and put it in) but it's semi permanent (you can drill them out, but can't undo them like a screw or bolt)

As for making the form, the tool usually used to bend aluminium sheeting is called a "Brake" but it might be a bit costly for you, especially if you only want it for this project, you might be able to rent one or find a...
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>>991950
It would probably be more economical for OP to design a case in CAD and get it fabbed instead.

I plan on doing something like that over the next few weeks for my own things.

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Sup DIY?

I'm looking to build a workshop on a property I own. Space isn't a concern but I'm building a new building so cost is. I need a place where I can do build furniture as big as a table. How big should my workshop be?
7 replies and 1 images submitted. Click here to view.
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At least 10x20 ft, I'd go for 20x20ft at a minimum if you're building furniture.
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as big as you can afford and legally allowed.

You can build tables in normal sized garages, it's all about space management.
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>>991887
Could you elaborate? Why do I need more than 20 by 20?

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Hey /diy/ I am rebuilding my Mendel90 3d printer frame. The creator of the mendel90 has variants made of acrylic,dibond, and MDF. Due to ridiculous price of acrylic and dibond and the fact I don't have a laser cutter I made mine out of MDF. And let me tell you do I fucking hate particle board more so than ever now. Practically every part that screws into the wood has stripped or become very loose. I plan to rebuild it using oak plywood. Now as far as I can tell no one has made the mendel90 (wood version) out of anything but MDF, is there a reason? The Plywood looks like...
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You're not supposed to screw into the wood. Use machine screws and nuts.

Also your MDF frame is better than acrylic.

Wood stain won't help with warping caused by plywood. It will warp no matter what you do.
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>>991674
According to the Build of Materials the guy who designed it uses wood screws to go into the MDF

Will it warp even with indoor humidity and temperature? How badly? Minimal warping can be compensated with recalibration
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>>991690
instead of rebuilding can't you just drill out the screw hole areas and pound in threaded inserts and machine screws. if everything else is fine with the machine and there are possible drawbacks to using plywood such as warping then it's probably easier to just fix the issue with the mdf, no?

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I am looking to build a house out of plastic, kind of like legos. For many reasons, plastics last forever, cheap, ETC. I am looking for anyone who might have any knowledge about such things, construction advice or plastic advice. Star wars episode 2 has houses made out of plastic and can be made to look like anything you want.
29 replies and 10 images submitted. Click here to view.
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>>991455
It's be excessively expensive, not cheap. And the strength/stiffness of most plastics would mean every part of the house would have to be oversized compared to any other material.

Let's go over the advantages:
Novelty- yes, it would be moderately interesting
Longevity- I guess, but a decent wood frame house will probably outlive you just as easily.
That's literally it.

Disadvantages:
Extremely expensive
Difficult to find/make suitable materials
Incredibly inefficient materials (picture a PVC pipe compared to a steel pipe, there's no comparison)
Pieces would be difficult to effectively connect/bond together
There are no design codes you could follow for plastic construction

And let's not forget the biggest reason of all why it won't work.... Fire.

If your house burned down, it would probably A) melt around you and collapse before you could escape and B) kill your entire neighborhood with noxious fumes.
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There is usually a lot of plastic in modern construction. Rigid foam board insulation, damp proof courses, vapor membranes, roofing membranes. If you had tons of money to blow you could create something crazy with ETFE. However you still make the structure out of wood, concrete, steel or masonry.

For a cheaper option, look up things you can do with Polycarbonate cladding. Lets a lot of light in while still maintaining a level of privacy due to its translucency.
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>>991469
http://www.pyromeral.com/
would solve the fire problem...not really plastic tho.

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I'm building a weight driven pendulum clock for meme reasons. Does anyone here know how many revolutions the mainwheel spins per minute or whatever in a 24 hour clock.

Also are band saw blades good enough to make a clock spring out of if the weight thing turns out to be shit?
8 replies and 2 images submitted. Click here to view.
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>>991401
Well the minute hand turns at one rpm. Do gear math, it depends on what the other gears are.
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>>991404
Good point.

Even if the weight only falls a yard, I can have the escapement to tick every second and then gear ratio it. Assuming my weight has enough energy to overcome friction and shit.

Like a 4 slug mass.
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>>991416
And of course I misspoke. The second hand goes at 1 rpm, the minute hand goes at 1/60th rpm.

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So I needed to change over the washers in my basin taps and thought "no big deal, I've done this enough times before at other houses I've lived in", but the tap spindle in this one is seized and stuck pretty damn firmly. I have applied a number of doses of WD-40 hoping that would help but to no avail.

I came up with the thought of holding a can of compressed air upside down and spraying the shit out of the spindle near where it enters the housing to see if the metal would contract just enough to break the seal. Is this a good idea or am I likely to...
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Get a decent shifter or some irwin vice grips would be better on that smaller hex & give it a shunt with the palm of your hand. Like you are pushing a nose bone in to the brain
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Pair of stilsons would shift it.
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>>991338
You are asking to break the sink if you apply cold to it
Go buy the correct sized spanner at the hardware store.


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