Bhaenrhig-class light-dreadnought battleshipBlueprintOrdered: 13 Magardos 1905
Laid down: 29 Magardos 1905
Launched: 23 Raithin 1905
Commissioned: 15 Dharon 1905
Displacement: 18,120 long tons (normal load)
20,730 long tons (full load)
Length: 527 ft (160.6 m)
Beam: 82 ft 1 in (25.0 m)
Draught: 29 ft 7.5 in (9.0 m)
Speed: 21 knots
Range: 6,620 nmi at 10 knots
Complement: 740
Armament: 5 × twin 12-inch guns
27 × single 3-inch guns
5 × 18-inch torpedo tubes
Duthchas-class light-dreadnought battleshipBlueprintOrdered: 27 Samonos 1906
Laid down: 3 Seihdhos 1906
Launched: 27 Lembiuod 1906
Commissioned: 13 Raithin 1906
Displacement: 18,596 long tons (normal load)
Length: 526 ft (160.3 m)
Beam: 82 ft 6 in (25.1 m)
Draught: 27 ft (8.2 m)
Speed: 21 knots
Range: 6,720 nmi at 10 knots
Complement: 720
Armament: 6 × twin 12 in (305 mm) guns
15 × single 4 in (102 mm) guns
5 × 18-inch (450 mm) torpedo tubes
Cliodhna-class light-dreadnought battleshipBlueprintOrdered: 21 Bultaeg 1907
Laid down: 28 Bultaeg 1907
Launched: 21 Samonos 1908
Commissioned: 13 Seihdhos 1908
Displacement: 19,700 long tons (normal)
Length: 536 ft (163.4 m)
Beam: 84 ft 2 in (25.7 m)
Draught: 28 ft (8.5 m)
Speed: 21 knots
Range: 6,900 nmi at 10 knots
Complement: 758
Armament: 8 × twin 12-inch guns
24 × single 4-inch guns
6 × 18-inch torpedo tubes
Griffri-class medium-dreadnought battleship
Ordered: 1 Mragin 1908
Laid down: 15 Mragin 1908
Launched: 28 Tymhoris 1909
Commissioned: 21 Lembiuod 1909
Displacement: 20,380 long tons (normal load)
22,400 long tons (full load)
Length: 581 ft (177.1 m)
Beam: 88 ft 6 in (27.0 m)
Draught: 31 ft 3 in (9.5 m)
Installed power: 27,000 hp; 18 x water-tibe boilers {Clan-Company Gweilaerth Water-Tube Boilers}
Propulsion: 4 x shafts; 2 x steam turbine sets
Speed: 21 knots
Range: 10,000 nmi at 10 knots
Complement: 950 officers and sailors
Armament:
12 x 13.5-inch (343 mm) guns
22 x 5-inch (127 mm)/50 cal guns
8 x 3-pounder 47 mm (1.85 in)/40 cal guns
4 x 1-pounder 37 mm (1.46 in) guns
3 x 21-inch (533 mm) torpedo tubes
Armour: Belt - 12 in (305 mm); Turrets - 12 in (305 mm); Barbettes - 11 in (279 mm); Decks - 4 in (51 mm)
Aimhirghin -class heavy-dreadnought battleship
Ordered: 16 Jan 1910
Laid down: 8 August 1910
Launched: 9 September 1911
Commissioned: 8 November 1911
Displacement: 27,000 long tons
Length: 594 ft 6 in (181.2 m)
Beam: 95 ft 2 in (29.0 m)
Draught: 28 ft 8 in (8.7 m)
Installed power: 27,000 ihp (20,000 kW) 18 x Water-tube boilers {Clan-Company Gweilaerth Boilers}
Propulsion: 4 x steam turbine sets; 2 x shafts
Speed: 24.1 knots (44.6 km/h; 27.7 mph)
Range: 10,000 nmi (12,000 mi; 19,000 km) at 12 knots (14 mph; 22 km/h)
Complement: 1080 officers and sailors
Armament:
12 x triple 13.5-inch (343 mm) guns
16 x 5.9-inch (150 mm) guns
16 x single 4-inch (102 mm) guns
4 x 1-pounder 37 mm (1.46 in) guns
5 x 21-inch (533 mm) torpedo tubes
Armour: Belt - 14 in (350 mm); Turrets - 12 in (305 mm); Barbettes - 10 in (254 mm); Decks - 4 in (51 mm)
Seihdhara-class heavy-dreadnought battleship
Ordered: 19 Feb 1912
Laid down: 12 May 1912
Launched: 8 December 1912
Commissioned: 23 March 1913
Displacement: 32,590 long tons (standard)
35,900 (full load)
Length: 708 ft 0 in (215.8 m)
Beam: 95 ft 3 in (29.02 m)
Draught: 28 ft 8 in (8.7 m)
Installed power: 80,000 ihp (60,000 kW) 21 x Water-tube boilers {Clan-Company Gweilaerth Boilers}
Propulsion: 4 x steam turbine sets; 4 x shafts
Speed: 26.5 knots (49.1 km/h; 30.5 mph)
Range: 8,000 nmi (9,200 mi; 15,000 km) at 16 knots (18 mph; 30 km/h)
Complement: 1150 officers and sailors
Armament:
14 x twin 14-inch (356 mm) guns
16 x single 6-inch (152 mm) guns
20 x single 3-inch (76 mm) guns
8 x submerged 21-inch (533 mm) torpedo tubes
Armour: Belt - 14 in (350 mm); Turrets - 14 in (356 mm); Barbettes - 13 in (330 mm); Decks - 4 in (51 mm)