this post was submitted on 23 Oct 2024
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Cyberpunk 2077

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[–] [email protected] 2 points 18 hours ago

Wait til he sees the road design.

[–] [email protected] 127 points 3 days ago* (last edited 2 days ago) (3 children)

I have never thought about the fact that manhole covers need to hold up to weight. Of course they do and it's perfectly normal and sensible. It's just not a thought I've ever had.

[–] [email protected] 78 points 3 days ago (2 children)

Technically it's the manhole covers that need to support the weight.

Manholes themselves are expected to do the opposite of holding weight

[–] [email protected] 45 points 3 days ago (2 children)

Manholes themselves are expected to do the opposite of holding weight

They hold light?

[–] [email protected] 35 points 3 days ago

It's dark inside so of course the light is held □

[–] [email protected] 8 points 3 days ago (2 children)

Structures underground experience buoyant forces that act to push them up. Manholes (and any structure bottom, like storm inlets, pump station wet wells, etc) need special consideration since they can be partially or mostly hollow, so they have to be heavy enough to remain in place.

[–] [email protected] 5 points 3 days ago (1 children)

You know, I knew that but couldn't figure out what the opposite of weight was for some reason. Thanks for the extra learning!

Fun fact: Coffins experience this force too, and during flooding can rise up out of the ground

[–] [email protected] 2 points 3 days ago* (last edited 3 days ago)

Ah, that explains why my grandpa was buried in a lead coffin.
He lost a lot of weight right before he died, so he was too light!

[–] [email protected] 2 points 2 days ago* (last edited 2 days ago) (1 children)

Right, so the light is actually pushed up by these buoyant forces and I guess that then also explains why it's so dark underground. Fascinating how learning some little new details about the world can sometimes make it all just click together!

But does that mean that light is actually hollow?

[–] [email protected] 2 points 19 hours ago

Well we know light is concentrated into comparatively tiny, but heavy points in the universe (stars), while dark fills the vast vacuum of space. So light in itself is likely denser than dark, ergo the light we have on earth must be forming hollow structures to remain lighter than dark when comparing by volume.

[–] [email protected] 3 points 2 days ago

Technically, the walls of the manholes, in turn, support the weight of the cover and whatever load is on top of it. The entire manhole is a weight-bearing structure.

[–] [email protected] 20 points 3 days ago

For formula one races they weld them down to stop the cars incredible downforce from sucking them up into the air. Even then they sometimes get torn up and thrown around.

Very important to take them seriously.

[–] [email protected] 5 points 3 days ago

Manhole covers are also a common exercise for engineering students. Like designing one that can hold x amount of weight with a specific set of limitations and/or requirements.

[–] [email protected] 134 points 3 days ago

literally unplayable

[–] [email protected] 107 points 3 days ago (1 children)

Obviously in the dystopia of Night City, lighter weight manhole covers were approved for road use purely to cut costs, and any deformed or destroyed covers have the cost offloaded to the poor rube who last ran them over.

[–] [email protected] 83 points 3 days ago (1 children)

So it is technically canon that cars start flipping or crashing for no apparent reason - the goddamn manhole covers broke.

[–] [email protected] 9 points 3 days ago (1 children)

Doesn't explain the driver still sitting in the smoldering ruin and laughing while on fire.

[–] [email protected] 21 points 2 days ago

Nah that's just the implants frying

[–] [email protected] 36 points 2 days ago

I mean, I'd totally believe that night city isn't in compliance with their own manhole safety code

[–] [email protected] 69 points 3 days ago (1 children)

Most of the complaints about bugs in this game seemed overblown, but this is unforgivable.

[–] [email protected] 8 points 3 days ago* (last edited 3 days ago)

Most of the complaints about bugs in this game seemed overblown

You should've tried it on PS4 at release. It was glorious. I did have a ton of fun because of the bugs (couldn't progress in the game much) but if I had paid for it I would've been pissed

[–] [email protected] 35 points 2 days ago (1 children)

this is like people on r/DeepRockGalactic complaining about the smallest things

[–] [email protected] 20 points 2 days ago (1 children)

To be fair, double spaced where there isn't supposed to be one is really noticeable.

[–] [email protected] 9 points 2 days ago

I feel the same about misalignment

[–] [email protected] 59 points 3 days ago (1 children)

This is part of the test you need to ace if you want to get German citizenship. We have some standards

[–] [email protected] 11 points 2 days ago (1 children)

We, in fact, have many DIN standards.

[–] [email protected] 5 points 2 days ago (1 children)

And nowadays they are supplemented and partially superseded by European EN directives. This is the kind of stuff that hardly anyone realizes but is enormously helpful in everyday life. Your toilet seat breaks, you just go ahead and buy a new one. Its mount points, dimensions, and load bearing characteristics are standardized so no need to get a degree in toiletology or whatever. Just buy any one you like. Same idea with light bulbs, printer paper, piping connections, door jambs, etc. etc. Standardization makes life SO much easier.

[–] [email protected] 3 points 2 days ago

This is something I’ve noticed since living in Germany. I’m from the US, so I don’t know if it’s a metric:imperial thing or a German specific thing, but things are way more standardized here.

You’re not always allowed to fix your own appliances (or you can, but your insurance will be nullified for any even remotely related- like replacing the foot on a washing machine means that water damage from an unrelated leak in the washer’s drum years later may not be covered), so the standardization doesn’t always pay off, but it’s definitely standardized.

[–] [email protected] 7 points 2 days ago
[–] [email protected] 42 points 3 days ago (1 children)

It's not a bug, it's a feature, in this dystopian world nobody cares about manhole cover standards anymore.

[–] [email protected] 9 points 2 days ago (1 children)

You underestimate the Germans

[–] [email protected] 2 points 19 hours ago

This is what makes it a dystopia for us.

[–] [email protected] 23 points 3 days ago

german humor, wonderful

[–] [email protected] 21 points 3 days ago

And then they fixed it, right? Right?!?

[–] [email protected] 13 points 2 days ago (1 children)

These numbers don’t align though. 4271 is not a Bxxx or Dxxx and also isn’t on that diagram on the left. I’m so confused rn.

[–] [email protected] 24 points 2 days ago (1 children)

B and D are weight classes. B 125 is tested to 125 kN, D 400 is tested to 400 kN.

DIN 4271 tells you how manholes of class B are to be build.

[–] [email protected] 5 points 2 days ago

I see the number in the diagram now after looking more closely. Also seems the number is upside down in the game.

[–] [email protected] 3 points 2 days ago

Worst game ever -1,000,000 stars lol

[–] [email protected] 6 points 2 days ago

What a nerd.

[–] [email protected] 10 points 3 days ago

I unironically love germans

[–] [email protected] 4 points 2 days ago (1 children)

But why's it say DIN 4271 tho?

[–] [email protected] 8 points 2 days ago (2 children)

DIN 4271 is the number of the standard that describes how to build manhole covers of type B125.

The correct manhole cover should probably state something like DIN 19584, which I think is the standard covering the B400 class manhole covers.

[–] [email protected] 1 points 1 day ago

Thanks for that, it confused me as it didn't line up with the story.

[–] [email protected] 1 points 2 days ago* (last edited 2 days ago) (1 children)

I've seen a manhole cover with din 4271 printed on it in Germany before. I've no skin in the manhole cover game tho

[–] [email protected] 1 points 2 days ago

According to this, it would make sense to see one on a sidewalk, but not on a road.

[–] [email protected] 5 points 3 days ago

Wintermute would complain about such mundanity.

[–] [email protected] 4 points 3 days ago (1 children)

Rivet counters have come to video games, I see.

[–] [email protected] 2 points 2 days ago

You should look at the War Thunder forums....

[–] [email protected] 2 points 2 days ago

Uh, learned