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Nautical_Metaphor

Shell weight?

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Players
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Hi,

most of the ship specs (wiki, port) will tell you something about how a ship plays and how it compares to others, but what about the shell weights?

 

The parameter that will tell you about the shell arc is the initial shell velocity. The damage values of the different kinds of available shells will tell you about their damage potential and the calibre about the penetration capability.

 

The shell weight though doesn't even crop up in the ammo page of the wiki and only in a minor tangent of real-world ballistics explanation on the gunnery page.

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[CATS]
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Shell arcs are influenced by velocity AND drag, which is not part of the public stats, but can be data mined from the game.

If you want to know about balistics, go here:

 

 

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Beta Tester
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@ColonelPete gave you the links from Fnord who did all the research/reverse ingeneering on the shell curves

 

Additionally you can check these pages which have incorporated all known parameters into ballistic and penetration curves

 

http://proships.ru/stat/ships/

 

https://mustanghx.github.io/ship_ap_calculator/

 

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Shell weight just determines shell deacceleration speed and to some unknown modifier to penetration power if any at all. We got sehell callibre, angle of impact and penetration power modifiers for damage calculations allreaddy. Due the game not being as realistic in the gunnery department, there is no direct corealation between shell weight and calibre. Best examples are US vs USSR ships with the same turrets - the most apparent differentce between distance after your shell trajectory arc starts to plunge.

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24 minutes ago, nimlock said:

Shell weight just determines shell deacceleration speed and to some unknown modifier to penetration power if any at all. We got sehell callibre, angle of impact and penetration power modifiers for damage calculations allreaddy. Due the game not being as realistic in the gunnery department, there is no direct corealation between shell weight and calibre. Best examples are US vs USSR ships with the same turrets - the most apparent differentce between distance after your shell trajectory arc starts to plunge.

Deacceleration is calculated with drag.

Weight is a multiplicator for penetration power - I linked the formula.

And yes, there is corelation between shell weight and calibre.

And yes, the shell weights are quite realistic. US Navy was smart enough to develop extra heavy shells.

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[GRKEN]
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4 hours ago, nimlock said:

Due the game not being as realistic in the gunnery department, there is no direct corealation between shell weight and calibre. Best examples are US vs USSR ships with the same turrets - the most apparent differentce between distance after your shell trajectory arc starts to plunge.

Different countries, different philosophies of gun developers.

http://www.navweaps.com/Weapons/index_weapons.php

Though those Soviet fantasy paper ship railguns would have likely had very short barrel lifes in actual world, because of extreme chamber/working pressures and hence high temperatures.

Meaning firing every shell stripping some metal from inside of barrel.

That could go to such level that every shell was numbered, with little bit difference in them.

(to prevent last shells from "rattling loose" inside worn barrel)

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On 3/27/2018 at 11:04 AM, EsaTuunanen said:

That could go to such level that every shell was numbered, with little bit difference in them.

(to prevent last shells from "rattling loose" inside worn barrel)

 

That was what they did for some high caliber railway guns..

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