BL 40.6 cm/52 calibre Mk I gun: Difference between revisions
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The '''{{wpl|British ordnance terms#BL|BL}} 40.6 cm/52 calibre Mk I gun''' ([[Illusian language|Illusian]] designation ''40,6 cm K/52 SK C/47''<ref group=Note>K – ''Kaliber'' (calibre); ''SK – Schiffskanone'' (ship cannon); ''C – Construktionsjahr'' (year of design)</ref>) is an Illuverendian {{cvt|406|mm|in}} {{wpl|Naval gun|naval gun}} that serves as the main battery armament of multiple [[Royal Illuverendian Navy]] battleships. First introduced in 2049 as an improvement to the older {{wpl|16-inch/50-caliber Mark 7 gun|BL 40.6 cm/50-calibre gun}}, they were installed onboard the {{sclass-|Albemarle|battleship|1}}s as well as the [[New Generation Fast Battleships]]. | The '''{{wpl|British ordnance terms#BL|BL}} 40.6 cm/52 calibre Mk I gun''' ([[Illusian language|Illusian]] designation ''40,6 cm K/52 SK C/47''<ref group=Note>K – ''Kaliber'' (calibre); ''SK – Schiffskanone'' (ship cannon); ''C – Construktionsjahr'' (year of design)</ref>) is an Illuverendian {{cvt|406|mm|in}} {{wpl|Naval gun|naval gun}} that serves as the main battery armament of multiple [[Royal Illuverendian Navy]] battleships. First introduced in 2049 as an improvement to the older {{wpl|16-inch/50-caliber Mark 7 gun|BL 40.6 cm/50-calibre gun}}, they were installed onboard the {{sclass-|Albemarle|battleship|1}}s as well as the [[New Generation Fast Battleships]]. | ||
== Design == | == Design == | ||
=== Gun === | === Gun === | ||
Revision as of 04:47, 20 April 2022
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Note by Tsumiki: Any information here is subject to change. This article is a work in progress. |
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| BL 40.6 cm/52 calibre Mk I gun 40,6 cm K/52 SK C/47 | |
|---|---|
 Forward batteries of HMS Hecate (FBB-59) | |
| Type | Naval gun |
| Place of origin | Illusia and Neverendia |
| Service history | |
| In service | 2049–present |
| Used by | Illusia and Neverendia |
| Wars | Memesterian Civil War |
| Production history | |
| Designed | 2047 |
| Produced | 2049–present |
| Specifications | |
| Weight | 122,350 kg (269,740 lb) (including breech) |
| Length | 22.25 m (73 ft 0 in) |
| Barrel length | 21.112 m (69 ft 3.2 in) (52 calibres) |
| Shell | APCBC, HE |
| Shell weight | APCBC: 1,875 kg (4,134 lb) HE: 975 kg (2,150 lb) |
| Calibre | 406 mm (16.0 in) |
| Recoil | 1.5 m (59 in) |
| Rate of fire | 2 rounds per minute |
| Muzzle velocity |
|
| Effective firing range | 29,150 m (31,880 yd) at 20° elevation |
| Maximum firing range | 32,275 m (35,296 yd) |
The BL 40.6 cm/52 calibre Mk I gun (Illusian designation 40,6 cm K/52 SK C/47[Note 1]) is an Illuverendian 406 mm (16.0 in) naval gun that serves as the main battery armament of multiple Royal Illuverendian Navy battleships. First introduced in 2049 as an improvement to the older BL 40.6 cm/50-calibre gun, they were installed onboard the Albemarle-class battleships as well as the New Generation Fast Battleships.
Design
Gun
At the orders of the reinstated Royal Illuverendian Navy in 2047, Project S-51 commenced, ordering the production of new Illuverendian heavy battleships that would succeed the Stratocracy's S-50 battleships. Project S-51 also mandated the creation of a new 406 mm (16.0 in) naval gun, as the previous ones were antiquated, and were seen as a symbol of naval power of the Stratocracy. As the keels of the Albemarle class of battleships were laid down a month after the coronation of Alyssa, so began the designing process of the new gun, designated N-MB/c406.
The first gun prototype was delivered a year later, and underwent rigorous testing stages, and proved to be satisfactory. At the same time the prototype was unveiled, the New Generation Fast Battleships project came into force, and the design teams, impressed by the gun's performance, also selected the gun to be the main batteries of their ships.
Mounting
All shipboard mountings of the Mk I gun used an improved mounting from its predecessor. It was designated as the Mk I mount (Drh LC/47[Note 2]), with an elevation of -2° to +25°, moving at 12 degrees per second. The Mk I mount was reused later for the larger BL 46 cm/48 calibre Mk VI gun.
Description
The 40.6 cm/52 gun is an improved, longer-barrel version of the previous Illuverendian 40.6 cm/50-calibre naval gun. Like its predecessor, the Mk I gun is a built-up gun. A number of its components are autofretted. Typical of Illuverendian naval guns, the bore is chromium plated, and sports the standard Sigmeyer breech block.