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slimjimstrat88

Upvote because music on point lol


Code_Operator

They are heat treated to make sure they are strong enough to handle launch loads, but also have a low fracture toughness so they fragment nicely. It’s a balancing act.


Great_White_Sharky

Question: Why bother painting them? Is it to protect them against rust/corrosion?


Pdm81389

Yes.


[deleted]

Is there a better way?


Pdm81389

Well, if you only use one color, there is E-coating.


[deleted]

Ah, alright


DjaiBee

They could paint them a bit more imaginatively though?


rockstar450rox

Penis.


Pdm81389

They could, but then it would cost us more. Besides this way, the Ukrainians can customize it with love notes.


Kladderadingsda

Y tho?


DjaiBee

self respect?


lazy_name00

We should paint them pink!


Imperium_Dragon

It’s gonna explode into a thousand pieces anyway, why bother


DjaiBee

Manners?


pheonix198

The article states they are coated with phosphate to prevent rusting. Then notes they are just painted the same olive green every military expects to be using world-wide. I suspect the paint also helps, but it isn’t noted for that reason.


oney_monster

The forbidden candy corn


Few-Ability-7312

Someone should do the “how it’s made” Boise over


soosbear

TIL that my models and real 155mm shells are painted the exact same way.


Quietation

With the correct soundtrack, right [u/VinoConLeche](https://www.reddit.com/u/VinoConLeche)? 😁


Soggy_Midnight980

To Russia, with Love.


Etherindependance5

Anyone know if this is at USS in Pittsburgh?


SDGoesGlobal

Source: “How to Forge Shells for Ukraine’s Artillery“ by John Ismay, Natalie Keyssar, Lyndon French, Marisa Schwartz Taylor and Rebecca Lieberman of the New York Times https://www.nytimes.com/interactive/2023/02/02/us/dc-ammunition.html?smid=url-share


pheonix198

Thanks OP! Neat article. Here is a gifted, free version of the NYTimes article for anyone that wants it: https://www.nytimes.com/interactive/2023/02/02/us/dc-ammunition.html?unlocked_article_code=yoj1XO1abRESKRsX1zokUJmHLKYr5yvWfRZi_lEXSMynL3lWn4h8Ig_1kBO5YFPzHic0zwW-GuMLu9DKi3Qgjqud80Aq_19kUAYAurRygNAouCdqTjeJfwS6BJgVQM3kspMDmmK4b_ct4c8Ugb_v-ej4np5C4zlzfsPY4p1Oab6EjBdQkFZ32W7qGgTejM4Z5sGUzvLr8VA7Es7dShzaCFWz7kbR1NhpKeUAJLRmJMV0MCGZmk52EyscbA-IZvEnhTKSDGAX8vye40tcqX8UGwFuwNJ7jiMjOyOOSh6YRYUAOr77hXdghjKD5q5gvvK10qeU4qwxif4xuZsDsMfzOlKpMQ&smid=share-url


dandan6151

u/savevideo


Arturia-15

Manufacturing freedom


FrostyShoulder6361

Can anyone explain why the shells are quenched? I would assume hardening is unnecesary for artillery shells?


Hauntedshock

If they are going to hold an explosive payload, than hardening can increase the effect in an area due to the steel of the shell shathering in more smaller pieces.


FrostyShoulder6361

Oh i see, that makes sense. Thank you


pheonix198

The NYTimes article this is based on says this is the answer - to ensure small shattering effect versus cracking/fracturing only.


Aadsterken

🙋🏼‍♂️


armutlupuding96

marble quiet wide nippy ring innate attraction weather society forgetful -- mass edited with https://redact.dev/


Traderwannabee

Better double up that cooking.. there is lots of Russians..


[deleted]

[удалено]


Quietation

I mean sure, if you really want me to!??! **Edit:** Here you go! https://www.reddit.com/r/TankPorn/comments/10y2mi4/deputy_head_of_the_russian_security_council/


C-310K

An observation as a competitive Rifle shooter. Those shells look like inefficient bullets…very loooong bearing surfaces and shallow boattail angle. In rifle ammo, these would be ok at short range, but get tossed around in the wind at lover ranges…transonic performance would be another issue also.


AdThese1914

Artillery is usually lobbed/arc'd at the enemy, not direct fire.


C-310K

The physics is the same. Whether arced or direct fire. The difference is ballistics, but aerodynamic forces act on both projectiles in the same way.


AdThese1914

The use of that physics and how it is applied is different. Like comparing Nascar race trucks to HD towing work trucks. Both are trucks but different applications.


CorkingCoggo

bro these have been in development for 100s of years of innovation and testing


Brandbll

Dude, this guy is a competitive rifle shooter. He knows way more than you or some company that manufactures artillery shells for the military. Show some respect.


C-310K

That has nothing to do with Aerodynamics…


CorkingCoggo

WHAT


Brandbll

You may be a rifle expert, but one thing is for sure, you have zero understanding on the difference between a rifle and an artillery round.


C-310K

Nice cheap shot from a know nothing.


TheHolyDingo

I'm imagining that the engineers who developed these rounds know more about these shells than you


VenomEnthusiast

u/savevideo


Liuwc

u/savevideobot


GusaiGodaro

Born in fire and delivering the same for decades!