The muzzle energy of the 16" AP shell from 16"50 Iowa class guns

[Chantry]

I got Alpo curious a couple of days ago and this was my first chance to actually run the numbers.

Link to calculator:  https://billstclair.com/energy.html

 

A 2700 lb shell is 18,900,000 grains with a muzzle velocity of 2425 FPS

Link: http://www.navweaps.com/Weapons/WNUS_16-50_mk7.php

 

Result:  246,746,796 ft lbs at the muzzle and a sectional density of 10.547

Some rifle sectional densities for comparison: https://www.chuckhawks.com/sd.htm

[Tex Jones, SASS 2263]

Can't use that in SASS.  Muzzle velocity is above the max. 

[Capt. James H. Callahan]

Holy smokes!

JHC

[Hardpan Curmudgeon SASS #8967]

So... that's the muzzle energy of the projectile itself - with no consideration given to the explosive energy??  

[Nostrum Damus SASS #110702]

7 minutes ago, Hardpan Curmudgeon SASS #8967 said:

So... that's the muzzle energy of the projectile itself - with no consideration given to the explosive energy??  

Correct.  The kinetic energy of the projectile, without consideration of what's inside.  You need that kind of energy to throw 2700 pounds nearly 20 miles, the maximum range of those guns.

[Sedalia Dave]

12 hours ago, Tex Jones, SASS 2263 said:

Can't use that in SASS.  Muzzle velocity is above the max. 

 

Only in the main match. For a super extra long range side match it would be good to go.

[Chantry]

12 hours ago, Hardpan Curmudgeon SASS #8967 said:

So... that's the muzzle energy of the projectile itself - with no consideration given to the explosive energy??  

That's YOUR homework assignment!    

[Sixgun Sheridan]

I wanna see that tested in ballistic gelatin. Don't forget the four layers of denim.

[Okie Sawbones, SASS #77381]

I used to have a pistol like that... I never have found my arm.