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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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Thread hymn.

https://www.youtube.com/watch?v=PGNiXGX2nLU

Last thread: boards.4channel.org/diy/thread/1676673

>Haas automation videos.
https://www.youtube.com/user/haasautomation/playlists
>Titans of CNC
https://www.youtube.com/user/titanamericanbuilt/playlists
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>>1686161

SPI used to be a reasonably good brand.
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>>1686169
>what the fuck that thing has a tenth vernier on it, yeah I got gypped bad. Should have bought that shars one.
Mine is repeatable but it reads .0004-.0006" under actual so if you get one, check the reading carefully on some gauges.
>What do you think about
You'd be better off buying a proper bore gage like this https://www.kbctools.com/itemdetail/1-815-400
if you want something precision. Otherwise just get a set of https://www.kbctools.com/itemdetail/8-412-004C
>>
>>1686178
yeah I saw that, the half thou accuracy is what is putting me off.

A lot of these bores are +/- 0.0005" to +/- 0.001" and sometimes a half thou is just too coarse to tell you what you want to see.
>>
https://www.kbctools.com/itemdetail/54-860-275

now we're talking, but it doesn't even tell me what the accuracy is, resolution is half a tenth...
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>>1686183
Probably +-.0001
>>1686181
You can replace the indicator on those with any normal drop indicator of higher accuracy. Or at least every one I've used worked that way.

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.-- . .-.. -.-. --- .... .-.-.--
FAQ:
ftp://50.31.112.231/pub/radio_FAQ_Preview8.htm
Previous: >>1672665
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>>1685363
>doesn't have an FCC ID
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What are the chances this guy and Jimmy Saville were friends?
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Why is ham radio dominated by men?
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>>1686074
Maybe because women do not engage in anything that is not pure consumption?
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>>1686165
They could consume attention.

I’m trying to find the right price for them
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>>1686110
Where are you selling them? I'm interested in an el cheapo
>>
Where'd you get 'em Jamal
>>
There's software for raspberry pis (pies?) That allows you to use them as oscilloscopes. There's tutorials too. Other than that, get it used.
>>
>>1686147
A pi won't be more than a toy scope useful maybe only for audio.
>>
>>1686110

a working HP digitizing vector scope can be pretty good. you've actually tested them?

Technology simply can not compete with nature. Take the horse for example. This thing can run 45 miles per hour and traverse virtually any kind of terrain. What have humans ever created that can even come close to this? $22 trillion in national debt and Boston Dynamics has some half-bred robot that can jump? Wow. Amazing. Did humans even come up with the design for planes or did they just copy birds? It's pathetic.
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>>1685916
>Don't get tired
Fuel expenditure.
>Machines don't get spooked
Blowing a tire
>Machines listen to commands
Worn throttle cable, broken ecu
>Machines don't shit like a vegan at taco Bell
You can huff horseshit all day and still keep your IQ. Try that with exhaust.
>>
>>1685851
https://youtu.be/egxT-MP7dJQ
can your horse do this
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>>1685851
Horses can't run 45 mph are you retarded? That's like the world record speed, your average horse can gallop at 20 for a few minutes before getting exhausted, trotting is the most efficient gait and that's around 10 mph

t. Equestrian
>>
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>>1685957
It doesn't have those features, but it can do a different thing.
Deployment time is instant. Passive missile hits target every fucking time.
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>>1686160
>t. Equestrian
This is a bait thread. Let them have their fun.

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How do I remove superglue? My tube was stuck so I tried to hit with a hammer. I got it open.
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>>1684399
>hit with a hammer
>>
>>1684399
Acetone
>>
>>1684399
Always Works
>>
Tweezers and a nail file works pretty well for me, after it has had an hour or so to harden
>>
>>1686175
Try bleach and ammonia. Mix it well pour it into your eyes.bingos

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Gothic windows are pretty cool, but I live in an apartment with square windows and management won't be too happy if I try to install actual windows. I've been trying to think up some non-permanent solutions after googling around for several hours:
- Window film (aka. a sticker) with a gothic window vector printed on it, and the outer edge made opaque to reduce the 'squareness' of the window. Can't find anything like this online, would have to do an order from a company.
- Same as above but with a stained glass print. Was able to find these online.
- Creating a wooden frame that is placed against the window on the inside and kept in place with adhesive. I won't be opening the window so it's not a problem if the frame is in the way.

Anyone know of other methods to approach this?
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>>1685880
Yeah I don't think it would fit the outside either, but it's an apartment complex so I'm not bothered too much by that. Should be okay on the inside though, assuming the rest of the decor matches.
Interesting idea on having a glass panel to hang in front of the window, I'll look into that further, thanks.
>>
>>1685867
https://www.solyxfilms.com/catalog/stained-glass-films/
>>
>>1685903
>>1685867
hey, this is a pretty specific question that I happen to know a specific answer to. my dad used to build sets for a living and has done a lot of fake stained glass/came/gothic windows. He used liquid nails or just caulk for the came strips. You can also use cord caulk for bigger windows and it looks a lot like real came strips. Once the strips are laid out you can brush in color or just use an eyedropper. He thinks he used aniline dye but there are probably different laquers out there you can shop around for.
If you use plexiglass you can probably figure out a way to hang it in your frame like a storm window.
>>
>>1685918
Wouldn't the caulk and dye be difficult to remove from the glass without marking/scratching it?
>>
>>1685984
yeah I'm saying do it on a separate pane of plexiglass for a double window

Guys does this require medical attention I'm really not sure I close a door on my thumb and my tip is smashed almost completely off.
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>>1685906
Imagine drinking all that koolaid and believing people think healthcare is free.
>>
>>1685939
Jesus.
Bong here, I pay about $10 less a month and that covers everything except dental, and prescription charges ($11 per item). No co-pays, no lab costs ... nothing. Pre-existing conditions don't exist here as we're covered from conception.
>>
>>1685939
Thanks for the info, cool to know how things work overseas.
Considering your salaries are much higher, it doesn't seem too bad.
But you'll never see your 82 y/o grandpa take medications for a value of 36k/year for literally free (plus doctor visits at home, etc.).
The most you pay is a 26€ ticket.
>>
>>1685985
Because Bing do not count the increased amount they pay in taxes towards that health care. Costs for healthcare between like nations tends to even out a fair amout once you factor everything in.
>>
>>1683344
Just cut the damaged area off it will grow back in a week.like a starfish

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Anyone here have experience making their own inks?

Right now I'm trying to put an ink together that has these properties:
>fluorescent
>invisible in normal light (or close to invisible)
>adheres to stainless steel
>liquid enough to be used with a clear stamp

I've tried diluting highlighter ink in water, and there is a sweet spot where the ink is barely noticeable in normal light, and is still fluorescent, but it's not stamping clearly enough on the steel.

I'm about to try diluting it in alcohol instead. Any other ideas?
>>
>>1686052
Tried come yet?
>>
It's okay to glow in the dark
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>>1686095
t. cia nigger
>>
>>1686052

try a clear lithography overprint ink or clear overcoat for steel. thin slightly. something as simple as krylon wight work. alternatively, this stuff -

https://www.kbs-coatings.com/DiamondFinish-Clear.html

Get used by rodders for rims and unpainted bodywork.

Then go get some UV florescent marking dyes.

Use

https://luminochem.com/water-soluble-uv-fluorescent-dyes/

or something like it.

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I was going to post this on /o/, but I realized they're a bunch of retards who don't really know much about engines.

What are some decent fuel alternatives that an engine can be readily converted to? I have the ability to make pretty much anything with a CNC mill and a manual lathe.

Engine is a smogger chevy 305. It'll more be an experiment and not a daily driver. It has relatively low 7.9:1 compression so it won't be very picky in terms of octane rating.

Propane?
Home brew ethanol?
Natural Gas?
Assuming I had alot of acreage, would a gasifier be feasible? just what would my TPM(tree per mile) be?(I'm mainly talking about distilling the syn gas at home and filling up the gas tank)
I know you can extract oils from pretty much any plant out there, and then further distill them down to a gasoline like oil, would decimating fields of weeds and tall grass be feasible?

I could very easily convert the engine to run on any type of liquid fuel, a gas would be more challenging. I have a spare feedback quadrajet I can run. If you don't know, they're essentially electronic carburetors. With a solenoid controlling the main jet needle. By running that at various duty cycles you can effectively control the A/F ratio(which is what they did from the factory), along with a throttle position sensor built in as well.

Again, this is more of an experiment and I don't plan on this being a daily driver. I just want to explore the possibilities of alternative fuels. The 305 has been freshly rebuilt so there's no mechanical issues.
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>>1686069
I was thinking of going with new heads and a bunch of trick parts, but then i looked at my wallet, and at the time I needed the thing to haul stuff. It was cheaper to rebuild the 305 than to do anything else, So a $600 rebuild and more labor than money was put into it. Now it's just a thing that sits in my driveway I start up once or twice a month to keep the battery topped off.

Would have been neat to have a race van, but it wasn't in the cards at the time.

So, onto ethanol, producing it is essentially the same exact process of making moonshine, innit? If someone decided to fuck me in the ass could they claim i was making illegal moonshine rather than ethanol fuel?
>>
>>1686075
>If someone decided to fuck me in the ass could they claim i was making illegal moonshine rather than ethanol fuel?
Yes.
You must apply for and receive a permit before beginning operation.
" Federal Fuel Alcohol Permit"
https://www.ecfr.gov/cgi-bin/text-idx?SID=eddaa2648775eb9b2423247641bf5758&mc=true&node=pt27.1.19&rgn=div5#se27.1.19_1673

State laws vary and may play a role depending on where you are.
>>
>>1686092
unfortunately, I'm not willing to go that far for just a hobby such as this. from what it sounds like I'll need a seperate building with security measures and a bunch of other stuff.

anybody have any experience with gasification/built any stoves?

I've also made a few HHO/brown gas generators before, enough to sustain a small flame(running off of 12v, around 40 amps), but since the energy investment is more than the return, and coupled with the fact that the van already gets absolutely abysmal mileage, and there's very little information on boosting hydrogen engines available, I'm weary of detonating my engine to hell, and there's the whole thing of water being the byproduct of a hydrogen and oxygen flame, my combustion chambers sure would be damn clean, but I don't want to scrub the oil off of the cylinder walls. Ya feel?
>>
Found a (brand new) copy of that aforementioned book.

https://www.thriftbooks.com/w/future-automotive-fuels-prospects-performance-perspective/11463446/#isbn=1468423363&idiq=15917740

Don't think I'm about to sink that much money on a book.
>>
>>1686119

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I don't post here often, but I do lurk because you learn some pretty interesting shit on this board. But today, I have something. So I often explore abandoned places and scavange shit. Today I found a pretty old fire extinguisher. From what I can read on it, it was last checked June, 1984. Is there still any use for this thing? Do the contents expire? Will provide pics.
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>>1682376
Doubt it's still pressured but if it's in the green at 100 pounds you can put a tire valve on it and make a pretty good air bubble. Use it with a 12v oiless compressor and you could make a tater cannon or scare the fuck out of people with confetti
>>
>>1682376

Those are owner-refillable and actually pretty good for certain /diy/ fires. dump old water and recharge it. Not exactly kitchen duty rated, but if you piss off the aether faeries in a motor or transformer you can use that to good effect.
>>
>>1682376
Did you paint this image
>>
drink the water like seltzer
>>
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>>1686011

I did this ball last year when there was such a hype around the ''challenge'' and i just got into it again. There's something pleasing about making a round smooth metal ball out of something that isnt.

Im trying to perfect the technique. I feel like i have an idea how to make it perfect but im always struggling with the last layer.

Anyone else into the foil ball making?
>>
>>1686007
I like to take aluminum cans, melt them down and make bullet castings. Kinda wanted to try making a few of these aluminum balls and load them into shotgun shells. Got any good youtubers who teach this ball making stuff?
>>
>>1686007
ive never seen this kind of thing before
all the little voids in the outside gives me the shudders
i bet it feels horrible on your fingers

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Chair just now it started gradually leaking air from the hydraulic lift. Every 30 seconds or so the chair drops down a tiny amount and I have to keep pumping it to make it go back up. Is there any way to fix this or am I gonna have to buy a new one? I've had this chair for almost 10 years and I really like it, I don't want to give it up if it's fixable.

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Hi /diy/,
I will attempt to restore this oil lamp that I found in a wet cellar, that were sitting there at least 5 years.
Its a genuine "Feuerhand" (fire hand), the model that was still made with the "Sturmkappe" (storm hat).
>>
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Nice thing about this find is, the glas is still intact
>>
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Cleans up well with some paint stripper and wire brush, the form itself is still a challenge and took me quite some time with the tools that I had available.
>>
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The glass holder thing that swivels to the side for removing the glass is unfortunately beyond saving.
Lucky for me that the company still produces the smaller version without the Sturmkappe and the big oil reservoir. The parts that I need are identically so I ordered the new version that I can take apart for spares as soon as it arrives.
At this point I realized that this will not be a cheap restauration at all.
>>
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After rust removal bath I realized just how correded everything is. The how oil reservoir is full of holes! But there is no turning back now. I bought some glass fibre matt and epoxy resin. I am going to attempt to cover the whole lower part with epoxy, like you would fix you canoe or small boat. I have no experience in that regard, will this even work?
>>
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This is how it looks now, after a coat of zinc primer. The heat proof yellow paint is expected to be delivered tomorrow.
I hope the primer bounds well to the metal and I hope the epoxy will bound to the primer as well.
All in all I am in with over 90€ in this project now.

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OP fucked up & put the subject in the wrong box edition.

Previous thread >>1655489

-------

In /rcg/ we discuss anything & everything remote controlled - multirotors, fixed wing, cars, rovers, helis, boats, submarines, battlebots, lawnmowers, etc.

>How do I get started with racing drones?

https://oscarliang.com/mini-quad-racing-guide/

https://www.fpvknowitall.com/ultimate-fpv-shopping-list/

> How to build a racing drone (16 part video series from Joshua Bardwell)

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Flat hex maiden went well today! I think if anything it was actually *too* overpowered & didn't have enough throttle resolution beneath hover resolution - but that is easily addressable by actually loading it up with a fun payload &/or going down to 9" props from the 10" props it currently has. My hometown is celebrating Pride this weekend so it seemed particularly apt to maiden a rainbow pulsing LED hex today :3

>>1685518
iNav is *far* less mature than Arducopter, but it has the benefit of using the same configurator as betaflight/cleanflight if you're already familiar with that. As somebody who has been using both the betaflight/cleanflight configurator & Ardupilot's Mission Planner for years, the former is definitely more user friendly, but honestly the latter isn't exactly inaccessible to new users.

>>1685965
What specifically are you curious about? I use a Hakko FX-888D iron with a bunch of different tips, a Brymen multimeter, a cheap chinabrand bench power supply, Dewalt drill/driver. Turnigy hex drivers, Japanese Engineer brand snips/pliers/strippers, Tickitape PVC tape.
>>
My gnarlyfpv Primo 3 kit showed up a while back.

I have quite a few micros and toothpicks under my belt at this point, and this thing is simply the nicest one on the market by a wide margin.
This goes beyond ease of build and fit/finish considerations - the actual carbon fiber plate is significantly stronger than other frames I have at the same thickness.

It is also one of the lightest, if not THE lightest 3" quad you can build. A drop-in transfer of Mobula or Sailfly components comes in at around 50 grams.

3" props. 50 grams. I have never flown anything else quite like it. 1102 high kv motors do not really have enough torque for 3" props but disc loading is so low that handling is superb anyway. Amp draw is down to ~1.5a or less for relaxed flight, where ~2.5a was the norm on 2.5" props. This results in a full minute of additional flight time on a 3s 300mah

Still waiting on further maturation in the toothpick market before I move up to 4s. I expect that 12 minute flights will be possible on micro quads by this time next year. Maybe even normal.
>>
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>>1686086
>>
where can I talk about my roomba. I need a service manual for the 5100/6100/7100 series - I'm getting right wheel errors. took it apart and didn't see anything obvious.
>>
>>1686097
Im gonna go with Roomba customer service...


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