Overall View of the Gun Mounts

(Click On Images to View Diagrams Of the Specific Guns)

(http://www.usswashington.com/5inch.htm)

Barrels:

  • Twenty

Mounts:

  • Ten

Projectile Weight:

  • Bombardment 54 pounds
  • Anti Aircraft 55 pounds

Muzzle Velocity:

  • 2,600 feet/second

Range:

  • Surface Gun Mount Elevation = 45 deg. 18,200 yards. (10.3 miles)
  • Altitude Gun Mount Elevation = 85 deg. 37,200 feet (7 miles)

Firing Cycle:

  • 4 seconds

Ammo Carried:

  • 12,800 (Approx)

Crew Per Mount-37 Men (Including Handling Rooms)

(http://www.usswashington.com/40mm.htm)

Barrels:

  • Sixty

Mounts:

  • Fifteen

Projectile Weight:

  • 2 pounds

Muzzle Velocity:

  • 2,890 feet/second

Range:

  • Surface Barrel Elevation = 42 deg. 11,000 yards (6.25 miles)
  • Anti Aircraft Barrel Elevation = 90 deg. 22,800 yards (12.9 miles)

Firing Cycle:

  • 160 rounds per minute or 2.6 per second

(http://www.usswashington.com/20mm.htm)

Barrels:

  • 20-65

Mounts:

  • 20-65

Projectile Weight:

  • 4.3 ounces

Muzzle Velocity:

  • 2,740 feet per second

Range:

  • Surface Barrel Elevation = 35 deg. 4,800 yards (2.7 miles)
  • Anti Aircraft Barrel Elevation = 90 deg. 10,000 yards (5.7 miles)

Firing Cycle:

  • 450 rounds per minute or 7.5 per second