3"/23 caliber gun

3"/23 caliber gun

The 3"/23 caliber gun (spoken "three-inch-twenty-three-caliber") was the standard anti-aircraft gun for United States destroyers through World War I and the 1920s. United States naval gun terminology indicates the gun fired a projectile 3 inches (76 mm) in diameter, and the barrel was 23 calibers long. (barrel length is 3" x 23 = 69" or 1.75 meters) [Fairfield 1921 p.156]

The gun weighed about 531 pounds (241 kg) and used fixed ammunition (case and projectile handled as a single assembled unit) with a 13-pound (6 kg) projectile at a velocity of 1650 feet per second (500 m/s). [Campbell 1985 p.146] Range was 10100 yards (9235 meters) at 45 degrees elevation. [Campbell 1985 p.146] Ceiling was 18000 feet (5500 meters) at the maximum elevation of 75 degrees. [Campbell 1985 p.146]

Surviving United States destroyers built with 3"/23 caliber were rearmed with dual-purpose 3"/50 caliber guns during World War II. The 3"/23 caliber gun was also mounted on submarine chasers, armed yachts, and various auxiliaries. [Campbell 1985 p.146] Some major warships carried 3"/23 caliber guns temporarily while awaiting installation of quad 1.1"/75 caliber guns. [Campbell 1985 p.146]

The 3"/23 caliber gun was mounted on:
* Caldwell class destroyers [Fahey 1939 p.14]
* Wickes class destroyers [Fahey 1939 p.14]
* Clemson class destroyers [Fahey 1939 p.14]
* Town class destroyers [Lenton&Colledge 1968 pp.90-92]

Notes

References

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