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Archived threads in /diy/ - Do It yourself - 107. page
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Hurricane Season is here, I'm preparing my game room as the family shelter after we return from evacuation. I want to use quiet, fuel efficient inverters because last major hurricane it was nearly impossible to find gas, I need to shitpost on 4chan using my comfy desktop computer, and thieves won't easily here them humming away.
>Have a Wen 52600i 2000 watt inverter generator aka Yamaha clone for camping / power tools
>thinking of buying 2 more because they are cheap, simple, and work well.

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>>999351
Should also note I am a fan of redundancy and flexibility. Figure if 1 generator goes out, I just have to choose between ac and shit posting.
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>>999351
I cant tell from your picture, is the output 120 only or 120/240 depending on the receptacle you plug into.
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>>999476
I'm pretty sure it is 120 with both legs powered from same hot in phase, so pic related would kill 240 devices, but if distribution downstream downstream only goes to 120 stuff, should be a non issue, just has half power.

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I need to sharpen a lot of commercial mower blades. I currently use a classic two wheel
bench grinder light duty. I want to make a jig to get an even, quick and constant result.
But the god darn thing has no tool rest and it doesn't really make sense to adapt something.
I'm not sure what kind of steel, other than "1/4" (6.4 mm) thick heat-treated steel" that sells
for about $50 USD for a set of three.

Should I buy a beefy heavy duty bench grinder or a decent belt sander?
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This is baby shit mang. I made these jig plans in my head in like 30 seconds, so let me know if there need to be changes.

You need to pieces of steel, one angle, one flat.

The circle thing is your grinder. You're gonna want to weld your angle piece to the flat one at the angle you want it cut at. Then use a clamp or vice grips to secure the blade to the jig, with the end you're sharpening hanging off the side so you wont be grinding on your jig. Hows that sound?

>10,000 years in ms paint
>>
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>>999344
Wrong image
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>>999344
freaking love reading about a woman needing therapy instead of learning about sharpening blades

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Hi /diy/ I'm hoping to paint up some weights I got off craigslist they're a little beat up and have some rust on them. Do I need to do anything special to prep them beyond cleaning them off or do those rust paints really work and I can just paint over it?

Pic related
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>>998218
No rust paints dont work
use a wire wheel or a wire brush and remove all the rust before you paint.
>>
>>998218
You can do almost anything with the power of flex seal!
>>
Buy a small tin of Por15, a pack of cheap brushes, and wire wheel the rust off. Then clean the weights really well, let dry and then brush the Por15 on. They'll look brand new and never rust again.

How can I stealthily disable my neighbor's broken, obnoxiously loud outdoor A/C unit?
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Offer to fix it for free.
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I think he just fixed it after the hail storm
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>>997404
/thread
Don't be a nigger, do it right.
Otherwise you well end up slowly living an increasingly spiteful each day ending up all alone on your deathbed...

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Why is it so hard to make one?! First, I try using my raspberry pi which doesn't work (cause its a B+,) than I tried making one through the good ol' transistor radio schematic (with the oscillator chip and whatnot.) I don't have the parts, so I can just drive to a radioshack, right? But they are closing all of their stores! Ugh. Are there any quick alternatives I can try for making an fm radio station (online, through my raspberry pi B+, etc?) And if /diy/ can help me, I'll give you all the frequency so if you're in my area you can listen to some tunes!...
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>>997028
Why, how are you going to use it ? Like streaming music thru it and everyone that actually listens to 420 mhz is going to listen to your music as long as they are 20 yards away in clear sight from you ?

Its pointless, give up. Join the Ham radio master race
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>>997030
sure, I'll join "Ham radio." All I want is a want to broadcast music across my neighborhood for other friends to listen to. I'll look into ham radio.
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>>997035
Y-you have neighborhood friends?
...lucky...

Health and safety. Would be pleased he's wearing his PPE.
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>>993789
wire isnt frayed.
whats the issue? not everyone drops their expensive power tools like you.
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>>993891
>extension lead falls 240 volts surges through the swimming pool.
>>
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>>993891

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>He doesn't live in a shipping container

What's wrong with you?

Do you do anything yourself?
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>>992866

shipping containers are more trouble then they worth

move along
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>>992868
>shipping containers are more trouble then they worth
Why? They're only $2,000
>>
>>992869

transportation, plumbing, electric installation, heat isolation, water proofing, reinforcement, interior design etc. etc.

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I need to make a few joints like this somehow, most likely out of plastic, for a posable model I am making. I don't have any idea where to even begin making something like this. Any advice? I hope those measurements are clear enough to follow.
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Here's how it would look put together.
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>>1000224
Um, ever heard of 3D printing?
>>
Yeah man, I don't have one and I don't know anyone that has one. Also I live in the middle of bumfuck nowhere. Is there like a website or something where I could upload models to have printed and shipped for a reasonable price?

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Hey /diy/
I'm looking for something that you can basically paint onto a leather sole to protect it from wear. I was thinking bitumen may work but I'm not sure if it would adhere sufficiently and withstand the abuse soles have to. Also it may melt on hot surfaces.
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>>999918
>I'm looking for something that you can basically paint onto a leather sole to protect it from wear. I was thinking bitumen may work but I'm not sure if it would adhere sufficiently and withstand the abuse soles have to. Also it may melt on hot surfaces.
--also it would leave ugly black marks on any floors, when you dragged your feet even a tiny bit. Which you probably do, because most people do--you just never saw direct evidence of it before.

It would help to explain...
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I know hippies used to whip up a mixture of shredded tire rubber and epoxy to paint their moccasins with...

But I mean, in modern times there's no reason not to just use those slap-on strips of Vibram you see everywhere.
>>
Just apply shoe goo the soles.

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I need this cable for my cctv system. The yellow is coax for video and the other part is for power. My question: are power cables (red and black) graded specifically for AC or DC?

I need to power my camera with 24vac but the reviewers on Amazon keep saying it's for DC cameras.
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Wires are rated for voltage
They dont give a shit if its AC or DC they just conduct
So if the wire can handle the peak voltage present In The system your golden
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>>999764
Thank you.

But I'm looking at something like this: >https://www.surveillance-video.com/accessory-st-pmj60b.html/
and it doesn't mention any voltage tolerance. Do I just assume that it can handle at least 24vac?
>>
>>999764
>Wires are rated for voltage
>They dont give a shit if its AC or DC they just conduct
That's what I always thought, but seeing the description of "DC Power Cable" and all of those mouth breathers on Amazon calling it a DC cable made me question it.

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Hi!
I want to water my plants on my balcony while i'm not there.
I bought an electrovalve which works with 12v, 8W, and I want to supply it, or not, with a laptop. I thought the serial port would have do that, but I can't get any current from it, according to my voltmeter.
Is it possible, do you have any ideas?
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This project is probably above your current understanding of how serial ports work.

Serial ports are communication "devices"
They are really only used to send and receive data.

What you need is a controller board hooked up to the valve.

valve-->controller board-->serial port

The serial port sends a signal to the controller board.
The controller board sees the signal and tells a relay to turn on/off the valve.
>>
The laptop would be used as a power supply and a timer
>>
You're right I don't know serial ports much..
I just want to get some 12v from my laptop. I thought I would have used a linux command like rtcwake, which wakes the computer and that way the 12v from anywhere would be active. And then, 1h later the computer would go back to sleep for 23h.. something like that. I know there is some 12v on the cd drive, but it would be easier to get it from an external port

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I took of the CDI box from my motorcycle as I suspect it's faulty and I'm replacing it. Looked like this from the bottom. What the hell is that shit? I digged a bit into the bottom which is soft rubber and it's filled with that stuff.
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looks like gravel
wtf, did some one dropped that thing on the ground during potting (re-potting after repair?!? its not serviceable)? i doubt, even high speed, projected gravel would embed itself so neatly in that
really weird indeed
>>
I've honestly never seen anything like that
Not that I'm really in the habit of buggering around with ignition systems that often, but I've not seen it in anything else electronic!
>>
>>999464
Is the stuff that looks like gravel actually gravel? Or is it just more of the rubbery stuff?

I would guess it's just more of the potting compound and it just didn't mix right or maybe it was the bottom of the barrel.

The rubbery junk is potting compound. You pour it on electronics to protect them from vibration and moisture. It also makes them totally not servicable. There's nothing to fix because it's such a pain in the ass to remove.

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I want to run the fan with specs in pic related from a normal EU wall socket (230V).

How do I go about this? I'd say I need an adapter, anyone know what kind of adapter?
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You need a power supply that-
1. has the right plug for where you are,
2. puts out 12 volts DC, and
3. puts out at least .5 amps. Preferably more. I would say to look for a ~1-amp power supply. It's not going to cost significantly more.

Also if you have not bought the fan already:
....It's been a few years since then, but once I built a nearly-silent PC. You couldn't get everything fanless back then, but most of it was.
The expensive fans didn't really sound any quieter than cheap ones, to be honest.
All the cheap fans were noisy...
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>>999471
What will be the practical difference between running the fan on 0,5A or 1,0A?

Thank you for your response.
>>
>>999430
Why not use an old cell phone charger ? I did that to run 2 fans in my entertainment center

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Can someone here make and post me a 555 timer circuit diagram where the output is 10 volts for t seconds then polarities switched and also becomes 2 volts for 2 seconds and vice versa ad infinitum. If you do so please label the type and specs of the components that are needed

>inb4whatareyouusingitfor

Can't disclose that part.
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>>998845
> t seconds

Meant 5 sorry
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>>998845
>then polarities switched
So you need the output switching between +10v and -2v? 555 pin 3 just switches back and forth from GND and VCC; it has no way to reverse voltage. You could do that by connecting it to an H-bridge, but making a virtual ground would be easier:

You will need a 12v power supply and a 2v power supply. 2V can be made from the 12v using a regulator or divider. Power your 555 with 12v and GND. For the thing you're controlling use 2V as the ground and 12v for VCC. From that thing's perspective the 555's output will be switching between -2v and +10v.

Build a standard astable 555 circuit to get the timing you want.
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>>998845
>Can't disclose that part.

Years ago, I had a billion dollar idea that needed a 555 timer but also was too stupid to figure out how to use one. I asked for help and lost everything. Now Facebook is a huge company and I'm still mopping the floor of my local ham radio club. Good on you for being careful.

I was going to call it FacePlace. Bastards.

Anyone knows where i can buy online the "red october" paint? Spray Preference
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>>998834
Is this image a picture of expensive shoes getting dunked in paint? I feel as if this is the case, and i cannot understand for the life of me why anyone would buy expensive shoes to begin with. The retarded part isnt putting the shoe in paint, it's buying them.
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>>998837
In this instance, solely for the shock value towards the fine young black Americans that buy them.
>>
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>>998972
Don't forget the fat white kids that cried that day too
>>998834
op is this it? http://www.raleighrestorations.com/product/redoctober/

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Does anyone know what this plug is for? It's connected to a Mercedes e320 2003. I'm really scratching my head on this one!

I couldn't find a thread for "questions that don't deserve their own thread", this probably belongs there.
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Where is it located on the car? Also, did you try /o/?
>inb4 /o/ is full of shitposting autists
Sometimes they get lucky.
>>
>>998520
It's coming out from under the seat. I'll try /o/, thanks a lot!
>>
>>998524
>It's coming out from under the seat.

My guesses: Electric seat connector. Or there was an audio amp under the seat.

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...
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https://www.youtube.com/watch?v=4OyoWAZEcIE
>>
https://www.youtube.com/watch?v=arbNxONg88c
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>>998430
>>998428
fixed the embeded vids

I have been looking for the most energy efficient setup in RC flight. The goal is to sustain a glider in flight for the longest time possible on a single charge.

Here are some base specifications that may help
Weight (2.5-4.5lb)
Folding Propellers

1.) Voltage (3s, or 4s batteries)
2.) Propeller (Stay with recommended prop, or is there a more efficient option {decreases x traits for efficiency})
3.) Motor brands (any well known companies with higher quality magnets or products)
4.) Motor kV (which is the most efficient kV for a glider? Higher, lower,...
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With solar panels + dynamic soaring you can keep flying practically forever.

With dynamic soaring you can potentially turn generate electricity if you use your propeller like a wind turbine.

The best throttle percent will depend on motor, esc, and propeller.
>>
>Learn to thermal, scrub
Failing that
>1.) Voltage (3s, or 4s batteries)
Makes little difference as long as you have the restraint to pull the throttle back on 4s
2.) Propeller (Stay with recommended prop, or is there a more efficient option {decreases x traits for efficiency})
Stick with the recommended range for your motor. Choose a prop from within that range based off the flight envelope of your plane.
3.) Motor brands (any well known companies with higher quality magnets or products)
Meh
4.)...
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>>998351
Is modyfying the wing/fuselage an option? Because lift distribution and aspect ratios can be a pretty big deal.

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What's up /diy/

I live in the Vegas valley and summer is slowly creeping up on us. It will be 100+ degrees in a matter of two weeks. The problem that I have is my bedroom window.

My bedroom window is huge, and directly faces the sun as it rises every morning. The heat that emanates from my window is so powerful that even on a morning like today (78 degrees) I can't touch it. This makes my room at least 5 degrees warmer than the rest of my house.

What can I do to block the heat of the sun? We've installed solar screens, but could only install...
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>>998144
inb4 everything, but aluminum foil, glossier side out.

I heard legends about Elvis using it on his bus, tried it myself during a fairly hot summer (I'm not in the desert, but before the climate got all fucked up we'd have a few 100+ days where I am, and humid), and between that and a window unit running maybe a couple of hours a day it was just perfect in my room.

Just one layer will block everything, cheap, reversible, nothing needed but tape for installation.

It does obviously look like...
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>>998145
>everyone may think you're crazy
I'd have more doubts about the sanity of those choosing to live on Death Valleys Doorstep, desu. OP, here is the news - GTFO bro.
>>
>>998145

It's funny you say that because nowhere online recommended that but I myself thought it might work. The only concern I have is safety. Not sure how, but could it be dangerous by absorbing too much heat or does it do a good job of reflecting heat?

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My grandparents want new carpet, they last had it layed down in 1981. Can the tack strip be left for the next job? The room is a rectangle, so is it something I could do on my own and save her some installation costs or is it best left to the pros?
Also, whats the secret to long lasting carpet? Is it the padding, or the carpet itself? When i try to research it I just find carpet companies shilling their stuff.
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I mean if the tack strip is still in good shape you could.. But why not just replace everything at once and do the job right so you don't have to redo it? But anyways as far as carpet goes, the padding underneath is where a lot of the support actually comes from. I generally don't like the attached pad style myself because for about the same price you can get a foam underlayment. Not that shitty stuff that looks like it's made of recycled cloth, like a solid foam that's made to stand up to years of walking on and not soak spills into your subfloor. As far...
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>>998209
Lmao nylon as a material is going to last and be a lot more abrasive resistant then a polyester.. It also doesn't asorb water as readily as polyester. Just saying..
>>
>>998209
>>998212
Shes basically looking for something shag or shag-like. She really loves the plush fuzzy feeling of the carpet she has now. I'll have to feel what nylon vs polyester is like in person

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Hey guys/gals, I work for Trimble, specifically in Lasers and Agriculture. So thought I'd try and give something back to /diy/ with an

>Ask a Trimble field/service/salesman anything.

I know this is a slow board so I'll check back every now and then. No question is too stupid.

Also if you have any questions about your second hand equipment bought/looking at buying, let me know. I see way too many people ripped off.
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>>997495
trimble my drimble
>>
>>997495
What are your best selling products on the agricultural market and how do you approach potential customers?
>>
>>997495

neat

>Trimble

hey i got a SVeeSix CM3 like 15 years ago for like $10

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simple question how would one make these scales? in mass if possible
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>>997309
Out of what? How thick? What size?
>>
>>997312
inch long aluminum
and as think as it can be and not bend without a wrench
>>
Probably have to make a machine that stamps them out

My wife and I bought our house dirt cheap post crash at $140,000, and will soon list for $210,000. We're in a better spot financially as well, and are hoping to build a house in the ballpark of $250,000.

Does anyone have any experience, tips, or resources for someone in our position? We have very few particulars worked out right now, besides that I am very interested in ICF/tech blocks as an exterior envelope.

I'm just looking to get my feet wet and avoid any major pitfalls.
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I forgot to mention that we're in Southern Maine, to give an idea of the climate. That means full basement, and wild, unpredictable temperature and humidity fluctuations for large chunks of the year.
>>
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>>997304
Ask away. I have been building ICF for years. Pic related, a detached garage I built for myself.
>>
>>997308

How important is it to find an experienced crew to work with ICF? Is it something I could possibly handle myself, with minimal building experience?

Also, just curious - why no ICF roof?

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Is this girl using the saw correctly? It looks quite dangerous.
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>>997136
Nah that was like "oh fuck I don't know what I'm doing" way of holding it.
>>
>>997136
She should have put the foot of the saw on the wood and push it away from her optimally.

Lots of people don't use sawzalls right though.
>>
>>997136
The ergonomics on that thing look absolutely atrocious.

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Is there a cheap DIY method for some sort of solar-based sea water purification system?

Have never posted on this board before, but I am considering buying a boat to live on and looking for ways to cut costs.
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Im guessing the water wouldn't be best quality. Distilling would require lots of power. Pushing water through a membrane isn't very cheap.
>>
Do you mean purify like physically removing contaminants or killing bacteria and other things that will get you sick? If the latter take a clear glass jug and leave it in the sun for 6 hours and the sun will disinfect the water for you.
>>
Where will be your boat? Ocean or lake? If a lake it will be very easy to purify the water. If in the ocean taking salt out is hard.

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Brag about shit you've found.

Got this lovely bitch for diez dollares gringos, plus half a blown out 50-gallon propane tank and a two foot length of spring steel for another 10. Guy threw in his life story for free. Great day.
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>>995537
that a piece of railroad track turned into an anvil?
>>
>>995537
I admire your enthusiasm, but paying too much for scrap steel is nothing to grab about.
>>
>>995549
Brag, rather.

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hey /diy/
im interested in making a 5x5 checkerboard out of wood similar to the one in the picture to use to play tak. ive had a look and it seems the preferred method is to get alternating strips and glue them and then cut them and glue in to a square pattern. ive got jack shit tools so that might be beyond me but i was thinking i could carve it in to a block of wood? would that work? how would i stain the squares without it leaking? any advice or thoughts would be appreciated
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You could burn the squares.
Or burn the edges and tape off the squares before staining. You'll need that burned Ridge or the stain WILL leak through the grain.
>>
>>994931
What do I use to burn it?
>>
that's the preferred method because it's the easiest and works the best. saws don't cost much

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Show your foreskin stretching device, made this myself
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>>993286
Ive thought about it, but I dont think I care enough to do it.
I assume this would be to regrow it?
>>
>>993289
The nerves would still be gone. Amd you're fireman's helmet has already adjusted It's mostly just cosmetic.
>>
Its not to regrow, its about stretching the foreskin

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Hi /diy/nos!
Listen, not much of an electro guy. Yet.
I'm into chemistry and I'm playing with electrolisys reactions, or at least i want to.
I need SOMETHING that will convert my AC current in DC current with known voltage and current.
For the little i know, a recifier is used to convert AC to DC, yet current and voltage are variables that i can't understand how to control in this process. So, i ask to you:
Can such a thing as a rectifier-voltage-current-controler-o-tron be built?
If yes, which is it's real name for googling purposes?
Can...
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>>993082
>I need SOMETHING that will convert my AC current in DC current with known voltage and current
See pic. Anything there will work.

>Can an old PC power suply be adapted to the purpose?
Yes but it wouldn't be worth the waste
>>
>>993082
>Can such a thing as a rectifier-voltage-current-controler-o-tron be built?
Yes but once again, it isn't worth a chemist's time.
>>
File: 1461756324044.jpg (1 MB, 1278x1920) Image search: [iqdb] [SauceNao] [Google]
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>>993085
But it's worth my money, ATM my finances are exactly -$100.000 at my local currency, yet I have an spared power supply and a box full of old electronic stuff that i've gathered throug years. I can read resistors and capacitors values and i can solder almost decently, building this is worth, specially if it can allow me to gather experimental data for some reactions that i need (complex salts system that can't be fully predicted by theory), but as you say and http://www.finishing.com/324/39.shtml confirms,...
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File: 1445387308870.jpg (55 KB, 537x604) Image search: [iqdb] [SauceNao] [Google]
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Ask a Home Depot lumber and building materials sales associate/minimum wageslave anything.
87 replies and 8 images submitted. Click here to view.
>>
Why havent you killed yourself yet?
>>
>>992991
Because I like my job and I have realistic goals for my life that keep things in perspective.
I also view suicide as "an easy way out". We all die one day and once you realize the Buddhist philosophy of 'life is suffering', nothing phases you (at least nothing i have experienced so far) to the point where death is the only option.
>>
why is the lumber cutting guy never there?


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