LR Úrnua (IAC 1): Difference between revisions
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{{Infobox ship class overview | {{Infobox ship class overview | ||
|Name = | |Name = LR ''Úrnua'' | ||
|Builders = | |Builders = | ||
|Operators = {{flagicon|Ossoria}} [[Royal Ossorian Navy]] | |Operators = {{flagicon|Ossoria}} [[Royal Ossorian Navy]] | ||
|Class before = | |Class before = | ||
|Class after = [[ | |Class after = [[LR Nuálach (IAC 2)|LR ''Nuálach'']] | ||
|Subclasses = | |Subclasses = | ||
|Built range = | |Built range = | ||
| Line 55: | Line 55: | ||
}} | }} | ||
|} | |} | ||
''' | '''LR ''Úrnua''''' (''Original'') was the first aircraft carrier built by the [[Royal Ossorian Navy]]. She was converted from a battlecruiser while under construction towards the end of the [[Fourth Arzell War]]. ''Úrnua'' participated in comparative trials alongside the carriers ''Nuálach'' and ''Spreagtha'' to determine the optimum layout for aircraft carriers going forward, helping to influence RON design trends for the new type through the modern day. | ||
== Design == | == Design == | ||
=== General characteristics === | === General characteristics === | ||
| Line 63: | Line 63: | ||
=== Armament === | === Armament === | ||
For self-defense against enemy warships, ''Úrnua'' had eight 150 mm guns with each gun being allocated 150 rounds, and six 100 mm anti-aircraft guns with 200 rounds each. | For self-defense against enemy warships, ''Úrnua'' had eight 150 mm guns with each gun being allocated 150 rounds, and six 100 mm anti-aircraft guns with 200 rounds each. | ||
=== Refit === | |||
Following the development of the [[Dolúbtha-class]], ''Úrnua'' was rebuilt along the lines of the new carriers. This gave the ship a full-length flight deck and an air group of 36 planes. | |||
== Ships == | == Ships == | ||
{| class="wikitable" | {| class="wikitable" | ||
| Line 68: | Line 70: | ||
! Ship | ! Ship | ||
! Translation | ! Translation | ||
! Hull Number | |||
! Builder | ! Builder | ||
! Laid down | ! Laid down | ||
| Line 76: | Line 79: | ||
| ''Úrnua'' | | ''Úrnua'' | ||
| "Original" | | "Original" | ||
| IAC 1 | |||
| HRM Dockyard, Cléire | | HRM Dockyard, Cléire | ||
| 1915 | | 1915 | ||
| Line 83: | Line 87: | ||
|- | |- | ||
|} | |} | ||
[[Category:Ossoria]] | [[Category:Ossoria]] | ||
[[Category:Ossorian Armed Forces]] | [[Category:Ossorian Armed Forces]] | ||
[[Category:Royal Ossorian Navy]] | [[Category:Royal Ossorian Navy]] | ||
Latest revision as of 01:28, 1 June 2022
| |
| Class overview | |
|---|---|
| Name: | LR Úrnua |
| Operators: |
 Royal Ossorian Navy |
| Succeeded by: | LR Nuálach |
| In commission: | 1917 - 1944 |
| Planned: | 1 |
| Completed: | 1 |
| Lost: | 1 |
| General characteristics | |
| Type: | Aircraft carrier |
| Displacement: | 20,000 t standard |
| Length: | 240 meters |
| Beam: | 27 meters |
| Draught: | 8 meters |
| Propulsion: |
|
| Speed: | 30 kts |
| Range: | 5,000 nm at 15 kts |
| Complement: | 737 |
| Armament: |
|
| Armor: |
|
| Aircraft carried: | 10 |
LR Úrnua (Original) was the first aircraft carrier built by the Royal Ossorian Navy. She was converted from a battlecruiser while under construction towards the end of the Fourth Arzell War. Úrnua participated in comparative trials alongside the carriers Nuálach and Spreagtha to determine the optimum layout for aircraft carriers going forward, helping to influence RON design trends for the new type through the modern day.
Design
General characteristics
Úrnua had an overall length of 240 m, a beam of 27 m, and a draught of 8 m. She displaced 20,000 t at standard load. Each of the ship's four sets of geared steam turbines drove one 3-bladed propeller and were powered by 12 small-tube boilers and were rated at 90,000 shaft horsepower. This gave Úrnua a speed of approximately 30 knots. She had a range of 3,600 nautical miles at 10 knots.
Flight deck and hangar
The ship had two flight decks on either side of the superstructure; a forward flying-off deck and an aft landing deck. The flying-off deck was angled downwards slightly on the theory that this would help increase the speed of the aircraft, aiding it in taking off. Aircraft would traverse a narrow strip of decking around the superstructure and funnel to move between the fore and aft flight decks. The turbulence generated by the funnel and superstructure was so severe that only three successful landing attempts were made with the ship in this configuration. A series of crashes, with nine fatalities, prompted the Admiralty to forbid further landing attempts and the ship was ultimately retrofitted with a full-length flight deck. Aircraft were stored below the forward deck, and a crane was used to transfer aircraft between the flight deck and the storage area. The ship's aircraft capacity was 10 aircraft. The ship's crew totaled 737 officers and ratings.
Armament
For self-defense against enemy warships, Úrnua had eight 150 mm guns with each gun being allocated 150 rounds, and six 100 mm anti-aircraft guns with 200 rounds each.
Refit
Following the development of the Dolúbtha-class, Úrnua was rebuilt along the lines of the new carriers. This gave the ship a full-length flight deck and an air group of 36 planes.
Ships
| Ship | Translation | Hull Number | Builder | Laid down | Launched | Commissioned | Fate |
|---|---|---|---|---|---|---|---|
| Úrnua | "Original" | IAC 1 | HRM Dockyard, Cléire | 1915 | 1916 | 1917 | Sunk |