Category:8" Rifle Mark VI M3: Difference between revisions

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|width="50%"|[[File:8" Projectiles and Powder - 1.jpg|300px|thumb|left|8" Projectiles]]
|width="50%"|[[File:8" Projectiles and Powder - 1.jpg|350px|thumb|left|8" Projectiles]]
|width="50%"|[[File:8" Projectiles and Powder - 2.jpg|340px|thumb|right|8" Projectile and Powder Bags]]
|width="50%"|[[File:8" Projectiles and Powder - 2.jpg|385px|thumb|right|8" Projectile and Powder Bags]]
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|colspan="2"|[[File:TM 9-442 - 4a.jpg|795px|thumb|left|8" Mark VI M3A2 Gun and M1 Barbette Carriage from TM 9-442]]
|colspan="2"|[[File:TM 9-442 - 4a.jpg|795px|thumb|left|8" Mark VI M3A2 Gun and M1 Barbette Carriage from TM 9-442]]

Revision as of 15:36, 15 January 2019

8" Mark VI M3A2 - Navy 8" gun adapted for coastal defense batteries and railway Batteries.

8" Projectiles
8" Projectile and Powder Bags
8" Mark VI M3A2 Gun and M1 Barbette Carriage from TM 9-442
8" Mark VI M3A2 Gun and Railroad, M1A1, Baldwin Carriage
8" Mark VI M3A2 Gun & M1 Carriage Specifications
Specification Value Units
Weight of Gun Complete 55,290 Lbs
Weight of Carriage 58,470 Lbs
Total Weight 113,860 Lbs
Caliber 8 Inches
Length of Bore 45 Calibers
Length (Muzzle to Face) 369 Inches
Length of Rifling 288.79 Inches
Depth of Rifling .07 Inches
Grooves 64 Number
Traverse 360 Degrees
Max Firing Elevation 45 Degrees
Min Firing Elevation 0 Degrees
Loading Elevation -5 Degrees
Max Rate of Fire Zero Degrees 3 Rounds/min
Max Rate of Fire 45 Degrees 2 Rounds/min
Max Range AP
Mk XX 260 lb Shell 		32,000 Yards
Max Range HE
M103 240 lb Shell 		35,000 Yards
Normal Powder Charge Weight 75/12 Lb/Oz
Super Powder Charge Weight 108/8 Lb/Oz
8" Mark VI M3A2 Gun & M1A1 Railway Carriage Specifications
Specification Value Units
Weight of Gun Complete 42,000 Lbs
Weight of Carriage & Mount 188,000 Lbs
Total Weight at Rail 230,000 Lbs
Caliber 8 Inches
Length of Bore 45 Calibers
Length (Muzzle to Face) 369 Inches
Length of Rifling 288.79 Inches
Depth of Rifling .07 Inches
Grooves 64 Number
Traverse 360 Degrees
Max Firing Elevation 45 Degrees
Min Firing Elevation 0 Degrees
Loading Elevation -5 Degrees
Max Rate of Fire Zero Degrees ? Rounds/min
Max Rate of Fire 45 Degrees ? Rounds/min
Max Range AP
Mk. XX 260 lb Shell 		32,000 Yards
Max Range HE
M103 240 lb Shell 		..... Yards
Normal Powder Charge Weight 75/12 Lb/Oz
Super Powder Charge Weight 108/8 Lb/Oz

See Also:

Sources:

  • TM 9-442 Technical Manual - 8-Inch Seacoast Materiel Gun MK. VI Mod. 3A2; Barbette Carriage M1, 19 Apr 1943
  • TM 9-463 Technical Manual - Gun, In., MK. VI, Mod. 3A2 and Mount, Railway, Gun, 8 In., M1A1, 26 Jan 1942
  • FM 4-49 Field Manual - Service of the Piece - Seacoast Artillery - 8-Inch Gun, Mark VI, Modification 3A2, On Railway Mount M1A1, 5 Apr 1943

Links:

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