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Zarroc1

NC AP Shells

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In game, NC, Iowa, and Monty all are listed as having the same shells and indeed everything about Iowa's and Monty's shells are the same. But NC's AP Shells deal less damage and are significantly slower despite being listed as the same AP Mk8 shell. Is this about balance or did NC use different shells?

 

Also, Colorado's AP shells are also faster than NC, being almost identical to Iowa's and Monty's shells. It's weird to me that you get used to Colo shells then go to slow NC shells and then back to Iowa who's shells are almost the same as Colo. 

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1 hour ago, KnightFandragon said:

Its the gun, the NC/SoDak have 16"/45 Calibers, while the Iowa and Monty get 16"/50s, or is it 55s...either way, its longer and higher velocity. 

50 caliber.

1 hour ago, Zarroc1 said:

In game, NC, Iowa, and Monty all are listed as having the same shells and indeed everything about Iowa's and Monty's shells are the same. But NC's AP Shells deal less damage and are significantly slower despite being listed as the same AP Mk8 shell. Is this about balance or did NC use different shells?

 

Also, Colorado's AP shells are also faster than NC, being almost identical to Iowa's and Monty's shells. It's weird to me that you get used to Colo shells then go to slow NC shells and then back to Iowa who's shells are almost the same as Colo. 

Faster shell velocity. 762m/s vs 701m/s. 

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7 hours ago, Zarroc1 said:

In game, NC, Iowa, and Monty all are listed as having the same shells and indeed everything about Iowa's and Monty's shells are the same. But NC's AP Shells deal less damage and are significantly slower despite being listed as the same AP Mk8 shell. Is this about balance or did NC use different shells?

 

Also, Colorado's AP shells are also faster than NC, being almost identical to Iowa's and Monty's shells. It's weird to me that you get used to Colo shells then go to slow NC shells and then back to Iowa who's shells are almost the same as Colo. 

 

 The wiki clearly lists the Colo's shells as follows:

AP Shell

406 mm AP Mk5

 Maximum AP Shell Damage12,400

 Initial AP Shell Velocity768 m./s

.AP Shell Weight1016 kg.

 

The NC's stats as follows:

AP Shell

406 mm AP Mk8 

Maximum AP Shell Damage13,100

 Initial AP Shell Velocity701 m./s.

AP Shell Weight1225 kg.

 

So with the the NC you are getting an additional 209kg per shell of weight, which will slow down the velocity in the short barrels used in the 16/45 guns used on the Colo and NC. Velocity goes back up in Iowa because of the switch to the 16/50 guns.

 

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It is true that all US T8+ BB fire the same ammo, but it should also be acknowledged that there's two types of gun

16/45 for NC, Alabama, and soon-to-be Massachusetts. 13100 damage at 700 m/s

16/50 for Iowa and Montana, 13500 damage at 762 m/s 

It could be deduced that the greater damage is due to the slightly faster shell having more energy/generating faster fragments/lolbalans

 

Colorado may have 16" guns but that's where its similarities to later BBs end . while it has the same length guns as NC, that, everything else equal, should generate the same muzzle velocity, it fires a much lighter shell (2100lb compared to 2700lb). This results in the faster overall shell speed, more comparable to Iowa/Montana than NC

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On 22/11/2017 at 1:37 PM, Zarroc1 said:

In game, NC, Iowa, and Monty all are listed as having the same shells and indeed everything about Iowa's and Monty's shells are the same. But NC's AP Shells deal less damage and are significantly slower despite being listed as the same AP Mk8 shell. Is this about balance or did NC use different shells?

 

Also, Colorado's AP shells are also faster than NC, being almost identical to Iowa's and Monty's shells. It's weird to me that you get used to Colo shells then go to slow NC shells and then back to Iowa who's shells are almost the same as Colo. 

Nevertheless,when it hits she hits like a truck.

Spoiler

shot-17_11.29_02_08.56-0410.thumb.jpg.8baec3f9d3987ade368fc4fe53659556.jpgshot-17_11.29_02_09.03-0950.thumb.jpg.213174803d7b1078a4528e5a4d1c1a0f.jpg

 

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15 hours ago, Gizuke said:

Nevertheless,when it hits she hits like a truck.

  Reveal hidden contents

shot-17_11.29_02_08.56-0410.thumb.jpg.8baec3f9d3987ade368fc4fe53659556.jpgshot-17_11.29_02_09.03-0950.thumb.jpg.213174803d7b1078a4528e5a4d1c1a0f.jpg

 

Damned right!

shot-17.07.01_03.43.17-0985.jpg

Edited by Wrayeth

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Just to put that all in perspective:  generally speaking, you measure the possible destructiveness of a shell/bullet by it's muzzle energy.

 

That's simply another phrase for "kinetic energy as the shell leaves the barrel", or, mass times muzzle velocity, which is Momentum.

 

Thus, the Colorado's shell momentum is:  1016 kg * 768 m/s =  780,288 kg m/s

 

While the NC's shell momentum is:  1225 kg * 701 m/s = 858,725 kg m/s

 

Thus, the NC's shell has about 10% more momentum. The same calculation comes into play with the Iowa and Montana's guns, where the mass of the shell is the same as the NC's, but the longer gun barrel increases the muzzle velocity.

 

This doesn't quite fully capture the differences in damage profile, because shell mass tends to be more important than initial velocity the further away the target is - heavier shells tend to have lower air drag, so they lose velocity slower, and for plunging fire, the height of the shell arc contributes heavily to the damage potential.

 

It's one of the reasons that German BB guns, which tended to shoot lighter weight shells at higher velocity than the IJN, RN, or US BBs, have better mid-range accuracy but lower damage - flat arcs are a function of high muzzle velocity, but they are generally achieved at the cost of low shell weight.

 

 

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On 11/28/2017 at 0:31 PM, Gizuke said:

Nevertheless,when it hits she hits like a truck.

  Reveal hidden contents

shot-17_11.29_02_08.56-0410.thumb.jpg.8baec3f9d3987ade368fc4fe53659556.jpgshot-17_11.29_02_09.03-0950.thumb.jpg.213174803d7b1078a4528e5a4d1c1a0f.jpg

 

"... when she hits"  that's my problem with the NC. I have the hardest darn time actually connecting.  Need to aim a couple of marks forward.

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