Elswick Pattern "W" guns used on Italian pre-dreadnoughts as secondary weapons. Reused as coastal defense guns after those ships were scrapped.
These and similar EOC designs were also used on Garibaldi class armored cruisers sold to other nations, including Argentina and Japan.
These guns were partially wire wound and had screw breech blocks.
| Designation | 8"/45 (20.3 cm) EOC Pattern "W" |
|---|---|
| Ship Class Used On | Regina Elena and Garibaldi Classes |
| Date Of Design | N/A |
| Date In Service | about 1900 |
| Gun Weight | 19.1 tons (19.4 mt) including breech mechanism |
| Gun Length oa | N/A |
| Bore Length | about 360 in (9.144 m) |
| Rifling Length | N/A |
| Grooves | N/A |
| Lands | N/A |
| Twist | N/A |
| Chamber Volume | N/A |
| Rate Of Fire | about 2 rounds per minute |
| Type | Bag |
|---|---|
| Projectile Types and Weights | AP: 256 lbs. (116 kg) |
| Bursting Charge | N/A |
| Projectile Length | N/A |
| Propellant Charge | N/A |
| Muzzle Velocity | 2,592 fps (790 mps) |
| Working Pressure | N/A |
| Approximate Barrel Life | N/A |
| Ammunition stowage per gun | N/A |
| Elevation | Distance |
|---|---|
| 30 degrees | About 19,700 yards (18,000 m) |
| Designation | Twin Mounts: Regina Elena (6) and Garibaldi (1) or (2) |
|---|---|
| Weight | N/A |
| Elevation | -5 / +30 degrees (?) |
| Elevation Rate | N/A |
| Train | about +150 / -150 degrees |
| Train Rate | N/A |
| Gun recoil | N/A |
| Loading Angle | N/A |
"Naval Weapons of World War Two" and "The Battle of Tsu-Shima" articles in "Warship Volume II" all by John Campbell
"Navy and Army Illustrated Annuals, Volume VI - 1898"
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Marina Militare Press Releases
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