American Projectiles and Explosives - 7-inch Projectiles

American Projectiles and Explosives

7-inch Projectiles





7-inch A.P. Mk 6 Mod 1 (Obsolete)

Guns used in: 7"/45
Overall length w/ cap & windshield: 23.64 inches
Overall length w/o cap & windshield: 19.79 inches
Diameter of base: 6.94 inches
Distance base to band: 1 inch
Width of band: 2.33 inches
Diameter at bourrelet: 6.99 inches

Filling: Explosive D
Weight of filling: 4.31 pounds
Weight of loaded projectile: 165 pounds
Charge/Weight ratio: 2.61%

Cartridge case: N/A
Primer: Mk 15 Mod 1
Tracer: Integral in fuze; Mk 5

Fuzes:
-Base: Mk 2 Mod 2 (B.I.F.)
-Mk 9 (B.I.F.)
-Mk 21 Mods 0 and 1 (B.I.F.)


The 7"/45 gun is obsolete.  This is an old type projectile, without windshield, which is not in common use.







7-inch A.P. Mk 10 Mod 2 (Obsolete)

For picture, see above

Guns used in: 7"/45
Overall length: 23.73 inches
Diameter of base: 6.94 inches
Distance base to band: 1 inch
Width of band: 2.33 inches
Diameter at bourrelet: 6.99 inches

Filling: Explosive D
Weight of filling: 4.31 pounds
Weight of loaded projectile: 165 pounds
Charge/Weight ratio: 2.61%

Cartridge case: N/A
Primer: Mk 15 Mod 1
Tracer: Integral in fuze; Mk 5

Fuzes:
-Base: Mk 2 Mod 2 (B.I.F.)
-Mk 9 (B.I.F.)
-Mk 21 Mods 0 and 1 (B.I.F.)








7-inch A.P. Mk 12 Mods 1 and 2 (Obsolete)

For picture, see top

Guns used in: 7"/45
Overall length: 23.68 inches
Diameter of base: 6.94 inches
Distance base to band: 1 inch
Width of band: 2.33 inches
Diameter at bourrelet: 6.985 inches

Filling: Explosive D
Weight of filling: Mk 1: 4 pounds; Mk 2: 3.5 pounds
Weight of loaded projectile: 165 pounds
Charge/Weight ratio: N/A

Cartridge case: N/A
Primer: Mk 15 Mod 1
Tracer: Integral in fuze; Mk 5

Fuzes:
-Base: Mk 2 Mod 2 (B.I.F.)
-Mk 9 (B.I.F.)
-Mk 21 Mods 0 and 1 (B.I.F.)


The 7"/45 gun is obsolete.  This is an old type projectile, without windshield, which is not in common use.






7-inch Field Mk 13 Mods 1 and 2 (Obsolete)

Guns used in: 7"/45
Overall length w/ nose fuze: 29.58 inches
Overall length w/o nose fuze: 28 inches
Diameter of base: 6.94 inches
Distance base to band: 1 inch
Width of band: 2.33 inches
Diameter at bourrelet: 6.985 inches

Filling: Cast TNT
Weight of filling: 24 pounds
Weight of loaded projectile: 152 pounds
Charge/Weight ratio: 15.1%

Cartridge case: N/A
Primer: Mk 15 Mod 1
Tracer: N/A

Fuzes: Nose: Mk 7 Mod 1 (P.D.F.)







7-inch Bombardment Mk 14 Mod 2 (Obsolete)

No picture available

Guns used in: 7"/45
Overall length w/ nose fuze: 28.84 inches
Overall length w/o nose fuze: 24.8 inches
Diameter of base: 6.94 inches
Distance base to band: 1 inch
Width of band: 2.33 inches
Diameter at bourrelet: 6.985 inches

Filling: Cast TNT
Weight of filling: 24 pounds
Weight of loaded projectile: 153.8 pounds
Charge/Weight ratio: 15.6%

Cartridge case: N/A
Primer: Mk 15 Mod 1
Tracer: Mk 9

Fuzes:
Nose: Mk 7 Mod 1 (P.D.F.)

Base: Mk 3 Mod 2
-Mk 28 Mods 0 and 1


The bombardment projectile's shape is similar to that of the field projectile.

Next Time: 8-inch Projectiles