12-inch/35-caliber gun
< 12-inch
| 12"/35 caliber Mark 1 & 2 Naval Gun | |
|---|---|
USS Iowa – Crewmen pose by the ship's forward 12"/35 gun turret, 1898. The left-hand gun burst 9 April 1903, killing three crew men. | |
| Type | Naval gun |
| Place of origin | United States |
| Service history | |
| In service | 1896 |
| Used by | United States Navy |
| Wars | |
| Production history | |
| Designer | Bureau of Ordnance |
| Manufacturer | US Naval Gun Factory |
| No. built |
|
| Variants | Mark 1 and Mark 2 |
| Specifications | |
| Mass |
|
| Length | 441 in (11,200 mm) |
| Barrel length | 425 in (10,800 mm) bore (35 calibers) |
| Shell | 870 lb (390 kg) armor-piercing |
| Caliber | 12 in (305 mm) |
| Elevation |
|
| Traverse | −150° to +150° |
| Rate of fire | 1 rounds per minute |
| Muzzle velocity | 2,100 ft/s (640 m/s) |
| Effective firing range | 12,000 yd (10,973 m) at 15° elevation (max elevation of turrets) |
| Maximum firing range | 21,000 yd (19,202 m) at 30° elevation |
The 12"/35 caliber gun (spoken "twelve-inch-thirty-five–caliber") were used for the primary batteries of the United States Navy's "New Navy" monitors Puritan and Monterey and the battleships Texas and Iowa.