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inches plus coins equals metric system
(lemmy.world)
7/16" - 10ct = 10mm
Fractional inches can suck my nuts.
Decimal inches can lick my ass.
Fractional metric can wear a skirt and give me a reach around 😍
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Are they really that small?
Yeah, honestly I'm usually so tired of the imperial VS metric debate (I know metric is better and I wish the US used it, it's just a low priority), but drill bit sizes are so stupid.
"Yeah gimme that 15/64ths bit" unhinged behavior.
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11.1125 mm - 1.35 mm = 9.7625 mm
Sorry, I couldn't resist
Now do it with a nickel
9-381/500mm
Fractional metric master race 😎
Physics is also important. Coins are usually made of softer metal so a wrench can crush it if a bolt is too tight.
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The damn imperial system and its weird 1/16 measurements. Why do you people hate 10 step counting?
You actually can't be mad about this one. This is effectively binary which you use all the time without knowing it. And even worse, proper SI notation has jacked up binary hardcore.
1, 1/2, 1/4, 1/8, 1/16, 1/32... You won't find a 1/12 or some other number.
Maybe that's why I couldn't tell if a gigabyte has 1000 megabytes or 1024. People keep telling me one or the other. Others keep telling me that there's 1024 mebibytes in 1 gibibyte, but those names absolutely suck.
Mega is 10^6 , Mebi is 2^20 aka 1024^2 bytes
Edit:
The confusion comes from the fact that Microsoft in Windows calls 1024 bytes a kilobyte, which makes no sense whatsoever, since that word has a meaning and that ain't it.
When MS first launched MS-DOS maybe made sense (maybe), but right now it's only creating confusion. Calling kilobyte a kibibyte is around a 2% error, but with terabyte it's more than 9%, which is a pretty big deal when you buy a 1TB disk and only shows up as 900 and something GB
The confusion comes from the fact that Microsoft in Windows calls 1024 bytes a kilobyte
And storage... and networking... This isn't actually a MS spawned problem, and it existed in media before MS put their hands in it. But it is probably fair to say that MS emboldened storage and networking companies to not change their stance. It doesn't help that it's in their benefit as they're providing actually less product because of the confusion.
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10 isn't the best base and I'm sick of pretending it is.
Depends for what. Still better than random scales like 3, 12, 1760 and units that don't mean anything like hundredweight, which isn't even one hundred anything, unless it is because you live in another part of the world where the same word means a totally different thing.
Fancy a pint?
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I would pick base 12. Which would you prefer?
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Because a lot of imperial measurements revolved around being able to be divided by 4, and occasionally 3 at times.
For instance the cooking unit of measurments are in 4's or base 2 in a way (e.g 1 gallon = 4 quarts = 8 pints = 16 cups = 128 ounces)
We still see 4s or 3s irl regardless of measurement system. Doughnuts are often prepared in dozens and virtually never in 10s. Do we walk around claiming why bakers hate 10 step counting?
Time is the example of something designed around 3/4 and didn't change. 60 is divisiable by both 4 (15) and 3 (20) and is not base 10, but people can accept that.
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Using 12 and 16 makes for easier maths (pre-calculators). It's easier to divide and get an integer. With easy access to calculators and highly precise measurements (especially digital systems) metric makes more sense and is easier to interpret quickly.
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Why *metric is important
Ten mil spanner is fuckin ten mil spanner and you have three in your toolbox and only someone who was starved of oxygen at birth uses imperial spanners wtf is this 🥲
Car manufacturers in the US like to throw metric and SAE at you. Just to keep you on your toes I guess. Ironically, it's always the wrench you DIDN'T bring with you.
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10mm is also .40'.
...Which I know because 10mm auto is the parent cartridge of .40S&W, which was just cut down to be shorter, but still uses the same projectiles.
I expect you mean .40 inches but you have abbreviated .40 feet which is more like 61/500m
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Can I be that person???
AkShUaLlY An inch is not PrEcIsElY 2.5 cm but is /defined/ to be 2.54 ish cm so 0.4” is in ReAlItY 10.6 mm.
Ok im sorry. I’ll show myself out.
I believe the modern definition of the inch is precisely 25.4mm. Which makes all the Freedom units also metric.
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I know this cause guns. How imperial of you.
.40 short & wimpy
No one going to mention that it's a Philips head screw as well? So not only could they have used a metric wrench but also a screwdriver.
You're thinking in ¢.02 now.
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This meme is old as hell
Maths is important to get what the frick a 7/16 inch unit is supposed to be and how to calculate just about anything with it.
Maths may be important, but figuring out what's bigger, 7/16 vs 3/8, is a stupid fucking system when metric exists.
Centimeters/millimeters: "6 is bigger than 5 is bigger than 4"
Inches: "I don't fuckin know what's bigger, 5/16 or 3/8? How about 7/32? Fuck you, I'm just making it all up."
Even more ridiculous is that they could have just made everything one fraction. Like 1/10 then 2/10 then 3/10. This crap is over complicated by it's own rules.
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Any aerospace mechanics have any comments on this matter?
Certified aircraft repairman here: That's not an aviation bolt, so the correct tool to turn it is a pair of vice grips and a hammer.
I'm not an aerospace mechanic, but I do have some insight.
The formula in the image is incorrect. It depicts 7/16" - 10 cents = 10 mm, not plus. Notice that 7/16" indicates the gap in the wrench, and the dime makes that gap smaller.
Now that that is out of the way, it seems that a dime is 1.35 mm (I love that American currency is specified in metric). So, 7/16" - 10 cents = 9.7625 mm. So, pretty damn close to 10 mm.
Wait... 20h old and nobody picked up un the fact that the thing on the picture is actually screw and you'd need a screwdriver for that?
It has a hex shape, you can use both.
I would say the Philips is for driving in, for speed of assembly, the hex is for when it's seized and needs force to remove.
Like I'm going two weld two dimes into a cross for the screw slot when I have a wrench already.
A hex cap screw
Laughs in pliers wrench
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this post was submitted on 11 Dec 2023
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