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Archived threads in /diy/ - Do It yourself - 69. page
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So I need a foam cutter. I managed to tune my aluminium foundry so that it works like a charm, and now I want to lost foam cast!
The thing is that I need to scavenge a transformer from somewhere. People on different forums on the internets say that you can "find the transformers in various appliances" but don't specify!
I am stuck home tomorrow with the kids so I might get wifey talked into getrting a dimmer for me, but the transformer might be too much, there is no shops that sell electronics like that on her route tomorrow.
I have lots of shit that...
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A microwave should have one, but you should learn what you are doing before you go kill yourself. Please don't kill your self, OP.
anything new won't have a useful transformer, more likely switch mode psu.
what do you need one for anyway?
smash up a 110v hairdryer and use 2/10 to 3/10 of the nichrome wire inside, connect to 12v car battery. adjust length of nichrome to suit.
Allrighty. I do have a few MOTs lying around. And my stick welder never worked anyway. I believe I got them rewound down to 6-7V? The microwave transformer seems a bit overkill but if there is no other options.
I don't have a spare hairdryer. I might have some nichrome wire though from dismantling a few toasters last year? And yea, sometimes 110 sounds good, for example when rewinding some transformers.

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Alright, not sure if it belongs here or /o/, but we're over here trying to remove this wheel bearing thing for 2 days now ourselves. I'm not an auto guy, just trying to help the guys who are. Pic related. We can't get this thing off. Any suggestions?

We tried banging on it, pb blaster, using bolts to apply pressure as seen in pic related. Even tried using the vehicle itself as a makeshift press. We're out of ideas.
58 replies and 6 images submitted. Click here to view.
I'm pretty sure you have to remove the driveshaft first, which probably means unbolting the steering and suspension knuckles so you can swing that out some to make room to pull the driveshaft out. As is, enjoy your trip to the wrecking yard to find replacements for the parts you've completely destroyed in your ham-fisted attempt to dismantle this.
>auto repair gore
I think I'm going to be sick.
Well, I'll pass the info along. They got the parts. Just a matter of pulling off the old parts since they're so rusted on.
There's a nut in the center of the hub

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I'm starting to paint devices that I will be using in moderate levels. That means this mouse and an Xbox One controller for my laptop(and in a month or two a computer case). I just want to know how many layers of clear coat should I use to improve durability(or whatever procedures should I do)?

The guys I see on videos on youtube just use one layer of clearcoat and I don't feel it will last long if I did only one. I also don't know how adding a bunch of layers would affect the paint job.

4 replies and 1 images submitted. Click here to view.
A few coats of primer followed by light sanding using an 800 grit before painting worked well for me. A mouse I painted back then without primer weared quickly.
Not op but I need a few bits of info on painting plastic as well..

How necessary is primer or that adhesion promoter if Im painting a plastic case ?

So far I have sandpaper rough enough to lightly "scratch" the gloss off, I have 800 grit and the paintI plan to use followed by clear coat.

Is this enough to do a good job on plastic or do I need that promoter/white paint primer with extra sheets of 1000-200 sandpaper?

Trying to keep this on a budget but I might end up using more than the twenty bucks used already...

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Hey there /diy/
I decided I wanted to start learning about Blacksmithing and Metallurgy. I plan on taking a shop or basic welding class, but I figure the best way to learn would be to actually practice out in the backyard whenever I'm feeling creative.

I saw a great video on how to build a powerful forge out of simple homemade parts, it looks it'd be a great starting point.


Is anyone on here familiar with working on a forge, or putting one together? It looks like a lot of fun, and it has the potential...
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I use this because i hate propane and haven't had a piece of metal i couldn't heat up enough..
This looks great. It looks a lot less expensive than the propane furnace. What kind of metals are you working with? I'm just planning on working with Aluminum first.
All kinds spikes, leaf springs, rebar, I've done 01 and a little stainless. And stainless only gave me trouble when I would use charcoal but when I threw in actual coal it didn't give me any trouble.
And down here it cost me 40 to make.

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Hey /diy/, I am troubleshooting these old speakers that look like hubcaps. Right, so their sound started cutting out at maybe a third of their max volume right after the house circuit it was on had some difficulty grounding itself. Pretty suspicious, so I thought that the power supply had been damaged. I wanted to test the system with my bench power supply but found out that it takes 13VAC 5A.

I have not seen many electronics that take low voltage AC so this is new. Where do you even buy replacement transformers? All I found was Ebay has this a halogen transformer at...
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>alloywheel speakers
>Loud music

Pick one.
a lot of AC devices will work fine with a DC input coz they're just gonna rectify the AC anyway. so you can use your bench supply, no harm will come to the amp.
although you will need to adjust the DC voltage to about 1.4x the AC voltage to get the same effect, so use 18Vdc.

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Is there another way to create bending/winding holes within metal without casting it with some lost wax method?

t. capillary needer
6 replies and 2 images submitted. Click here to view.
just use a curved drill bit, duh
Only other way I can think of is drilling holes from the outside to meet up, then staking in a small ball bearing to seal the outside(as done for crankshaft oil passages), but I'm not sure if that'll get you what you need.
Pic for reference.(bottom is the crankshaft)

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Hey /diy/
Wanting to do a Genos cosplay but I've never attempted something like this before

I'm basically going to copy the picture and am wondering how to make the arms (first thought was foam or drainpipes) and the lights on the arms and the chest - oh and how to power them as well

Pic related
9 replies and 2 images submitted. Click here to view.
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you could use LED strips with a 12Vdc battery pack, or EL wire using an inverter that provides 160Vac, also powered by batteries.
Check out how they made the outfits for Tron Legacy.

Armor go EVA foam and heat gun it into shape. You can wrap yourself in plastic wrap and tape to draw out a shape to cute the foam. Krylon black base coat and add detail from there.

Aliexpress is full of lights, sparkfun is helpful as well.

If its suppose to have dotted lights get a premade LED strip, if its something like Tron its EL Tape. Depending on how much lights you have either battery back or Inverter if its a fuck load of lights. (The Tron...
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Does EL wire only work in the dark?

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Guys, I have a confession...I am hopelessly in love with my tools. No matter how shitty quality my tools are, I oil them, I sharpen them, I clean them up. I use needle files to sharpen wire cutter portions of pliers.

I take fine steel wool to take off surface rust as soon as it appears. I am constantly online shopping for more tools. I am insanely aware of moisture exposure and finger print oil for my tools.

Sometimes, when I'm not using my tools in a long time, I just take them out and look at them and give them a few movements to make sure they still work...
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I do this to a certain extent when I get new tools.
Then the feeling wears off and I am drooling to buy more new tools.

I am a borderline hoarder, and love shopping though.
Get a room, you two...
do you shove them up your anus?

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Hey /diy/, I'm thinking about my first tesla coil with 9v battery, what type of transistor and resistor should I use?
4 replies and 1 images submitted. Click here to view.
Just do what the guy in the picture did
Do like me waste 400$ on a DIY self kit from OneTesla and never build it.
just put your finger into 400 Volt and count to the person you want to teaze, it works !

Show off your storage, unless of course you're a loser.
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Fellow neat freak?
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who /doesn't give a fuck/
Ugghhh my autism gaaahhhh

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So I need a 5uF >200V capacitor to replace one of those old wax film ones in some old gear, the problem is that that isn't a very common value/voltage for caps nowadays. Is there any easier alternative to finding one of these? Can I run some in series? Use 4.7?
3 replies and 1 images submitted. Click here to view.

Plenty of 5uf 200v+ capacitors in every type of chemistry.
A 450v rated axial electrolytic will cost you most of a dollar at justradiosdotcom. They have many types and configurations mostly geared toward higher voltage builds.

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I want Captain Phasma armour, so I found a bunch of various storm trooper armor making techniques on the internet, I need a good balance between accuracy, simplicity, and cost.

I am considering:

Paper mache
Cardboard and bondo
Forming from PVC

and variations of all of these. What other techniques are there? And which provide the best cost to simplicity to accuracy ratio? Is it a better idea to just buy a suit?
5 replies and 1 images submitted. Click here to view.
The problem is that while all of that would be great for a regular stormtrooper, they aren't gonna give you the metallic look of her suit.
Couldn't a chrome paint get the job done?
chromed-looking armor on plastic is always a pain. Chrome paint usually can't do any better than shiny, even with a massive amount of prep and work, and it enhances every single possible flaw and structural wrinkle. Working from perfect vac casts the best bet might be vacuum metalizing or chroming, maybe skinning the parts in some kind of mylar-like material and bonding it smoothly.

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Hi /diy/, complete newbie here

I lost my wallet chain today (not the wallet thx god)

Is one of those things that you cant really replace isnt? And I dont need to buy a new wallet. How would you recommend me to do one of my own

15 replies and 2 images submitted. Click here to view.
Did you travel to the future from 2002?
Replacement chains are available for almost every price you would want to pay, just spend a second searching.

A more DIY option would be taking this time as an oppoturnity to learn some basic whip-making braids and braid up a leather "chain", though you will still end up buying leather or leather thongs plus hardware.

Or never ever have a wallet on a chain again, because for fucks sake you are not in a biker gang.
go to home dept., they sell chain by the foot

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Hey /diy/, the restroom at work is open to the general public and lots of customers use it. There's a penny in the corner, it's completely unnoticeable unless you're sitting down. The girls clean the restroom daily, but haven't mopped it up or anything, it's been in there a couple weeks now.

I want to take a nicer coin, like a Susan B. Anthony or a Sacajawea and glue it to the floor in that corner. What's the /diy/ approved glue? Something that'll keep it stuck their forever if possible.
18 replies and 2 images submitted. Click here to view.
Don't trip retard your "sick" skate shoe knockoffs are untied

Can you DIY cellulose insulation in walls like this with the standard rental unit or do you need a special blower?
21 replies and 5 images submitted. Click here to view.
Bats are better for walls.
Yeah, the blown stuff will just settle over time and in a few years the top half of your room will be essentially uninsulated. Blown is for horizontal applications like attic floors.
Actually in this application the cellulose is mixed with water which makes it stick to the walls and then dries hard so it doesn't settle. But yes, it's a specialized blower so as far as I know it's not DIY.

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