13-in/35 Mark 1 Gun (US): Difference between revisions

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Revision as of 00:47, 24 May 2012

13-in/35 Gun (US)
History
First Year In Service: 1895
Total Built: 34
Last Year In Service: 1920
Specifications
Calibre: 13-in/35
Gun Weight: 128,000 lbs
Weight (with breech): 129,900 lbs
Length Overall: 479.10 inches / 36.8 Calibres
Bore Length: 460.60 inches / 35.4 Calibres
Length of Rifling: 370.57 inches / 28.5 Calibres
Diameter Over Chamber: 49.0 Inches
Chamber Volume: 14,725 cubic inches
Maximum Pressure: 16 tons/square inch
Rifling: Twist: 0 to 1/25

Depth: 0.05 inches
Width: 0.4847 inches decreasing to 0.4147 inches at muzzle

Shell: 1,130 lbs
Charge: 180 lbs smokeless powder
Muzzle Velocity: 2,000 feet/second

History

The first 13-in/35 gun was completed in July of 1895 and was installed on the U.S.S. Indiana. Eventually the gun was installed in eight different battleships.[1]

The last of the battleships with the 13-in/35 gun was decommissioned in 1920.

Characteristics

Ballistic Characteristics [2]
Penetration: 25 inches at the muzzle

20 inches at 2,500 yards

Danger Space: 1,000 yards at 1,000 yards

215 yards at 2,500 yards

Maximum Elevation (all mounts): 15 degrees
Maximum Range: 12,100 yards
Firing Cycle (all mounts): 320 seconds

Gun Construction [3]

Mark 1

The 13-in/35 Mark 1 gun was constructed of a tube, jacket, seven hoops, and two locking rings. The gun was fastened to the slide by three integral strap bands.

Mark 1 Mod 1

The Mark 1 Mod 1 gun was a rebuilt Mark 1 gun with new gun-steel parts and a slightly different sized chamber.

Mark 1 Mod 2

This was a Mark 1 gun with a nickel-steel liner.

Mark 2

The 13-in/35 Mark 2 gun was constructed of a tube, jacket, eight hoops, one locking hoop, and two locking straps.

Mark 2 Mod 1

The Mark 2 Mod 1 gun was a rebuilt Mark 2 gun with new gun-steel parts and a slightly different sized chamber.

Mark 2 Mod 2

This was a Mark 2 gun with a nickel-steel liner.

Mark 2 Mod 3

This was a Mark 2 gun with an new enlarged chamber.


Ships Utilizing the 13-in/35 Gun [4]

Ship Gun Mount
U.S.S. Indiana Mark 1 Mark 2
U.S.S. Massachusetts Mark 1 Mark 2
U.S.S. Oregon Mark 1 Mark 2
U.S.S. Kearsarge Mark 2 Mark 3
U.S.S. Kentucky Mark 2 Mark 3
U.S.S. Illinois Mark 2 Mark 4
U.S.S. Alabama Mark 2 Mark 4
U.S.S. Wisconsin Mark 2 Mark 4

See Also

Footnotes

  1. ↑ Friedman,Naval Weapons of World War I, p. 166.
  2. ↑ Friedman,Naval Weapons of World War I, p. 166-167.
  3. ↑ Friedman,Naval Weapons of World War I, p. 166.
  4. ↑ Friedman,Naval Weapons of World War I, p. 166.

Bibliography

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