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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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Something-that's-recognisably-a-drone-in-the-thumbnail edition.

Previous thread >>1938659

-------

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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>>1965400
Do they come with any redundancy?

And do the larger props offset the loss in efficiency from having coaxial motors?
>>
>>1965405
A coaxial hex theoretically has the same motor redundancy as a flat hex - always one, sometimes two.

As for efficiency, you build coaxial for the smaller footprint &/or because it looks cool.
>>
>>1965400
>not mounting roman candles on top with electronic ignition

It'd the be the ultimate arsonist's tool.
>>
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>>1965385
Glad you're back doxee lmao

What's your recommended motor size and kv for long range 5"? Is anyone making or using biblade props on 5"?
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>>1965419
What sort of 5" are we talking about? Something traditional looking that can carry a GoPro, or one of the modern ultralight toothpick style builds that flies at <250g on a tiny motor?

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I want to start producing steel automobile/bike parts.
Do you guys have any recommendations for CNC machines?
I was thinking about https://www.solidsmack.com/fabrication/this-desktop-cnc-machine-gets-you-milling-for-under-500/
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>>
What do you guys think of used CNCs?
>>
Hey guys, since this thread seems to be related to by question, I'm just gonna ask.
I want to CNC a 3 dimensional object made on inventor. It's an .ipt file.
Yet the guy who's doing the CNC tells me it has to be in dxf.
I've tried to check how to make it so but it's weird. Any ideas?
>>
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I'm about to pull the trigger on this beauty for 100 eurobucks.
I'm mainly looking to cut carbon sheets and maybe some light aluminum.

Change my mind before I waste a baroque-bill on this.
>>
>>1965425
I believe even for soft aluminium you'd want a better spindle motor and a cooling solution.
>>
>>1965429
Sure, spindle can be upgraded, right?

I'm going to go for some submersion-cooling solution for the CF anyways.

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>Shorts your electronics.
>Nothing personnel, kid.

>Galaxy IV was a telecommunications satellite that was disabled and lost due to short circuits caused by tin whiskers in 1998.
>On April 17, 2005, the Millstone Nuclear Power Plant in Connecticut was shut down due to a "false alarm" that indicated an unsafe pressure drop in the reactor's steam system when the steam pressure was actually nominal. The false alarm was caused by a tin whisker that short circuited the logic board that was responsible for monitoring the steam pressure lines in the power plant.
>In September 2011, three NASA investigators claimed that the tin whiskers they identified on the Accelerator Position Sensors of sampled models of Toyota Camry could contribute to the "stuck accelerator" crashes affecting certain Toyota models during 2005–2010.
>Apple facing lawsuit over 2011 Macbook Pro GPU in 2014 ... The issue is a possibly defective AMD GPU ... lead-free solder may have developed “tin whiskers”, which caused the short.
What do we do about the whisker menace?
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>>1964963
This all could have been done a long time ago. But it wasnt until shit started falling apart. So I guess it is not as much of a lead as just shit getting old and brittle?
(lead was known to be toxic for a long while)
>>
>>1964327
but cant you understand that leaded fuel and lead is two different things.

Lead additive for Fuel is Tetraethyllead a organolead compound, Lead conected with hydrogen and carbon making it fat soluble that stuff goes right into your brain and accumulates in your fat.

A metallic lead roof will maybe release Lead to the environment the first few days then it passivizes and stays the same for the next 1000 years that's definitely more environment friendly than replacing a tar shingle roof every 20 years.

same with mercury you can submerge youre hand in it if you have no wounds and wash hands afterwards nothing happens.
Now take dimethylmercury Mercury bonded with hydrogen and carbon one drop on instantly diffuses through your nitrile gloves and skin and you die a few months later.
>>
>>1964318
they used lead because they had ample supplies of it after raping half of the world for galena deposits.
>great distances for hard water
sources: my head, voices in
>>
Use leaded solder.
>>
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>>1965177
>A metallic lead roof will maybe release Lead to the environment the first few days then it passivizes and stays the same for the next 1000 years that's definitely more environment friendly than replacing a tar shingle roof every 20 years.
I'm no expert, but slightly acidic rain seems like something that would keep the lead releasing indefinitely into the environment. Searching around a bit I found this:

Rainwater as a Source of Drinking Water: Health Impacts and Rainwater Treatment
https://www.hindawi.com/journals/jeph/2019/1760950/
>Lead is also used to prevent corrosion of the zinc roof. In Pontianak City, it is recognized that rainwater is corrosive because it has aggressive CO2 and low pH in the range of 4.78–5.85 [13]. So that the tin roof is easily corroded and Pb as a roof coating also gets dissolved and added into rainwater [14].

https://www.usgs.gov/special-topic/water-science-school/science/acid-rain-and-water?qt-science_center_objects=0#qt-science_center_objects
>Pure water has a pH of 7, and, generally, rainfall is somewhat on the acidic side (a bit less than 6). But, acid rain can have a pH of about 5.0-5.5, and can even be in the 4 range in the northeastern United States, where there are a lot of industries and cars.

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I need a fake cum for a jar that will be on display.All recepies I looked have edible ingredients in them.
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>>1964951
Get gud
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>>1964827
Dragon Dildo
Jar on Display
>>
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>>1964827
Modern snow globe? Shake to cover a figurine in hotglue?
>>
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I have exactly what you need! My wife does her laundry herself and it really looks like fuck bie 'that it is very efficient and economical ..
You can buy all the ingredients at a drugstore. Look at this beauty ..
>>
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If you are interested I would give you the exact recipe, but roughly you boil water in which you put soap flakes, citric acid and sodium percarbonate.
We are far from Breaking Bad, everything is legal for sale and it s as easy as making a soup.

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Name a more dangerous piece of machinery in a general work shop.

I'll wait.
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>>1963876
The guy sawing planks for me fell on the sliding table. He missing one arm and got a nice cut to the torso. I think he was either cleaning it or trying to clear something from the table. He no longer runs the mill.
>>
>>1965343
>The guy sawing planks for me fell on the sliding table. He missing one arm and got a nice cut to the torso. I think he was either cleaning it or trying to clear something from the table. He no longer runs the mill.


If he got a leg cut off and you said he no longer runs the mill it would have been a top kek story... Missed it by this *><* much anon!
>>
>>1965380
Fuck. That would have been a better punchline. He sold the mill, but gives the new owner a 'helping hand' every now and then.
>>
>>1964380
It's a diamond saw for concrete. They're going to use it on the CMUs on the building behind the eunuch
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>>1964269
how many civilians do you see vs how many carpenters with missing fingers? and they are trained for this shit. Danger comes with routine.
I dont know a single person with lasting damage from an angle grinder and i even had a small accident myself.
What kind of boomer homeowner owns a 1hp angle grinder? This is shit you'd see on someone doing construction/metalworking/farming
Their danger is mostly blown out of proportion, ofc they bite when you take the guard off.
Other machines will kill you too when you remove the guards
>a drill is dangerous
maybe for a wristlet

Old one autosaging
>>1949747

Heard some activity in the attic and found this evidence. Any idea what I’m dealing with? Found an empty nut case so I’m thinking squirrels.
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>>1965291
Just buy these
https://www.clasohlson.com/se/Hylsor-Bosch/p/40-9268

Also I can confirm that Würth prices are absolutely hilarious. They asked 800 kr for a two-pack of lint-free drying paper, to which I replied with a mixed look of "you cannot possibly be serious" and "I feel kind of sorry for you" after which I took my leave and bought one roll for 100 kr some other place
>>
>>1965295
>Just buy these
the price is high enough to annoy me since i only need it for a small task (attaching a saddle to my bicycle)

maybe this is vintage and therefore not made of chinesium?
https://www.tradera.com/item/302422/406127785/bitshylsa-10-mm-

>Also I can confirm that Würth prices are absolutely hilarious.
kek
>>
>>1965298
Unless you're really poor and not a /diy/er, just get them, or better yet, a ratchet set. Your countrymen in Bahco makes nice cheap kits. You'll need them again later

If you're dead set on never needing something like that again, get the one on Tradera and be done with it
>>
The rubber O-ring in my Washing Machine's inlet valve is starting to flake. I've wrapped teflon tape around it as a quick fix and it seems to be holding up for now.

Should I bother replacing the rubber O-ring? I think it is NBR rubber and according to google, it doesn't work well my chlorinated water supply.
https://www.allorings.com/o-ring-compatibility
It's kinda a pain to buy because they are only sold in packs of hundreds and I only need 1 for now.
>>
>>1960219
I want to buy paintings from a second hand shop and draw other stuff into them.
Thing is, I'm not good at drawing, certainly not at drawing non digitally.
Any ideas on how I can draw on them without ruining the picture (so reversably) and without buying expensive restorative colors or something?
I thought about using a layer of clear coat and then drawing on that, but I'm not sure what colors are easy to remove yet do a good job covering. (I don't want to use watercolors or something because that's going to look shit)

Any ideas?

I am building a killer typing keyboard, but I am not sure where to place this beauty...

Where did you place yours? Across from the space bar or next to esc ?
>>
My computer does not have an ejection seat so I left that key off.
>>
>>1965355
in your asshole
>>
>>1965379
I tried... but the butterfly mechanisms kept getting in the way
>>
Wish that key was on the presidential office pc....
>>
>>1965420
It already is desu just not for the chair you expect

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im a noob at working with wood and i need to know how to get a dark wooden finish like this on my guitar, what products do i need?
2 replies omitted. Click here to view.
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>>1965230
Fresh volcanic ash mixed with turpentine should do the trick.
>>
>>1965230
a shot of black
>>
>>1965230
>how to get a dark wooden finish like this on my guitar
WHY can you people not use google?
https://www.google.com/search?q=how+to+get+a+dark+wooden+finish+like+this+on+my+guitar&rlz=1C1GCEU_enUS849US849&oq=how+to+get+a+dark+wooden+finish+like+this+on+my+guitar&aqs=chrome..69i57&sourceid=chrome&ie=UTF-8
>>
Stain, you need a wood stain and a gloss finish. You need to do a coat and let it dry/cure for 24 hours,then put another coat and repeat this process until its dark enough, then spray it with high gloss finish. a small can of stain will run you $15 and so will good quality gloss, a large can of stain can run $80-150.
>>
>>1965230
Please stop. I hate seeing the threads about the finish looking like crap and being sticky forever.

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Is 20$ reasonable for 10 pounds of concrete mix?
-t zoomer who has never worked with concrete before.
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>>1965016
>are zoomers literally this retarded
Yes, they are.
>>
>>1962884
Where the fuck are you seeing this meme concrete price. In cucknada it's like 6$ for a 50lb bag.
>>
>>1965022
Jesus Christ it's real
>>
NorwayAnon chiming in, we're an extremely high-cost country but 50 lbs (25kg) bags of premixed cement/sand (only add water) is $10 or less.

Cut that price tag in half if you buy cement only and add your own sand.

You're being had, OP.
>>
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This is such a retarded way to construct a house. I honestly can't believe this is anything but some sort of grand conspiracy to scam the middle class out of their hard earned money. Every single repair video out there is some borderline retarded hillbilly larping as some sort of tradesman when really they are just playing adult legos.

>rots
>sags
>burns
>not naturally insulated
The list goes on and on. How haven't we discovered a better process yet?
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>>
How absurd would it be to make a “frame” of a house out of poured concrete i wouldn’t care if it was a big empty box. Then put up drywall and wood floors to hide the pipes, electric and insulate. Pure thought expirament.
>>
>>1965344
>How absurd would it be to
Not absurd at all. That's how they build houses in a lot of places in Europe.
>>
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Left: average wood frame fan
Right: average brick and mortar enjoyer
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>>1965344
You can't attach drywall directly to concrete and still have room for wiring and plumbing, so you still have framed walls. If you uses 2x2's instead of 2x4's you have to use shallow sockets like in mobile homes.
Where does the wiring and plumbing enter each room? Are you going through the concrete walls, or basement/attic and then drops into each room?
How much square footage will you lose from building concrete walls and then overlaying framed walls? (Not to mention added cost of basically building two houses).
>>
>>1965344
That's the way we do it here. I haven't done the math nor have I worked "professionally" in construction but I think it's cheaper or equal to making it out of wood but requires more time. You can build a whole house with planks, beams, posts, nails, a mixer and some masonry tools

Got this miter saw from harbor freight 56776 can't figure out how the fuck to unlock it so I can insert the blade talked to tech support and all I'm at a loss here going to head back to the store soon and see if maybe they can assemble for me maybe
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>>
>>1965386

https://www.youtube.com/watch?v=WnvrkR3LBS0
>>
Im not even going to reply to this
>>
>>1965397
I've used a miter saw before you fuck and normally I could also find the release but it's not apparent on this particular saw.
>>
>>1965394
I'll give it a go thanks anon
>>1965404
You just did shitlips
>>
>>1965403

KEK the fucktard put the blade in backwards!

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The stupid bricklayer has already built the wall of hollow bricks and did not fill the bricks with sand to avoid noise interference with my neighboring neighbor. Now my question is, how can I put the excess sand inside them? I was thinking of making small holes and putting in polyurethane foam but it is expensive since there are a hundred bricks in my room.
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>>1965262
Americans build wooden houses becayse they're cheap and tornados are bound to tear them down anyway
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>>1965365
Didnt they learn anything from the three little pigs?
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>>1961119
All this complaining and not a single helpful suggestion. OP this will take some time but it will work. Drill a small hole in the brick where you want to fill and use a grout bag as a funnel that way you can squeeze to force the sand in. It will take some time but it will work. Do a little each day. There's really no other way without tearing down the whole wall. Use a little cement to patch the hole when you're done.
>>
Make a small hole in the middle of each compartment and fill them with polyurethane foam
>>
>>1965365
My house is wood frame, it's 138 years old, has been damaged by 2 separate tornado's 40 years apart (one an F5) and is still a fine home

Anyone ever build one of these? It's from Alibaba. I want to enclose a pool using my own labor because to have others build an enclosure for a 16x35 foot pool is easily over 40k. Is there any resources on this?

https://www.alibaba.com/product-detail/Commercial-polycarbonate-aluminum-swimming-pool-enclosures_62166470984.html?spm=a2700.gallery_search_cps.normalList.1.6b23444dNOk37Q
3 replies omitted. Click here to view.
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>>1965333
I did mine with a six foot stepfather
>>
>>1965322
Don't to chink import crap.
If you look around you'll find local or regional companies that make the same or better product and you'll be supporting the domestic economy, not giving bucks to the WhuFlu virus spreaders.
>>
>>1965364
Yeah I agree. I am in the Southeast USA. Haven't been able to find anyone who makes these kits like this but it's most likely that I am a brainlet and don't know what I am looking for.
I try my best not to give any money to (((them))) or China. Sometimes it can be tough to dodge them.

>>1965339
The cage with the screening is cool and probably easier but the thing about this one is that it uses Polycarbonate instead of the screening in order to control the environment around the pool. I can try that.
There has to be someone around that would sell the frame and polycarbonate to fit it.
>>
man ive always wanted to build one of these
>>
>>1965384
>I am in the Southeast USA.
then they should be around.
I'm in the nearly frozen midwest and I know of 3 companies regionally that extrude their own aluminum to make their patio sunroom (aka, 3 Season room, Florida room)kits, though they seem to push their own installers services, and I can understand why they don't want the responsibility of a home DIY'er fucking up.

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I'll make this simple: I want to build a plane as cheaply as possible. I am tired of the ground, and don't want to live with these fools anymore. I wish to escape upwards to the sky. I know I could spend thousands on a kit, but I just don't feel like it. I'm going to "obtain" a small engine somehow and jury rig that to work. What I'm asking you all, is what materials should be used, how I should go about this, and how can I make this retarded dream soar skyward? I know many small planes are made of wood, but I'm not exactly a woodsman. I was thinking of using some light wood from Home Depot. Please, lend me your advice as I research this endeavor more.
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>>1962727
A traditional single-wing with a lawnmower engine. Not unlike your pic, but the wings would be at around shoulder level
>>
>>1958612
What the fuck are you talking about retard
>>
>>1959006
needs dual Spandau machine guns
>>
Learn hang gliding, op
>>
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just buy a paramotor you faggot, you're not an engineer and you probably don't understand airfoils




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