NAVYPEDIA

Photo

Tirfing

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
John Ericsson		122	Motala, Norrköping	7.1864	17.3.1865	11.1865	stricken 11.1918
Thordön		123	Motala, Norrköping	4.1865	1.12.1865	8.1866	stricken 8.1922
Tirfing		129	Motala, Norrköping	2.1864	1.8.1866	2.1867	stricken 8.1922

Technical data

Displacement normal, t	1476
Displacement full, t	?
Length, m	John Ericsson: 60.9 wl Thordön, Tirfing: 60.8 wl
Breadth, m	13.8
Draught, m	3.66 max
No of shafts	1
Machinery	1 VDE, 2 boilers
Power, h. p.	380
Max speed, kts	7
Fuel, t	coal 115 - 120
Endurance, nm(kts)	950(10)
Armour, mm	John Ericsson: laminated iron; belt: 125, turret: 270, deck: 48, CT: 250 Thordon, Tirfing: laminated iron; belt: 118, turret: 261, deck: 25, CT: 237
Armament	John Ericsson: 1 x 2 - 381/10 KK/12 Dahlgren M1865 Thordon, Tirfing: 1 x 2 - 267/15 KK/17
Complement	80

Standard scale images

Graphics

Project history

A variant of USN Canonicus class, designed by John Ericsson.

Protection

Ships were protected by 118-125mm belt, turret had 261-270mm sides.

Modernizations

1869, Thordön, Tirfing: - 1 x 2 - 267/17; + 1 x 2 - 274/16 K/19 M1869

1877, all: + 2 x 5 - 12.75

1881-1882, John Ericsson: - 1 x 2 - 381/10, 2 x 5 - 12.75; + 1 x 2 - 240/18 K/21 M1876, 2 x 4 - 25/32 M1877

1894-1895, John Ericsson: - 1 x 2 - 240/18, 2 x 4 - 25/32; + 2 x 1 - 152/30 K/32 M1889, 2 x 1 - 57/46 M1892

1902-1903, Tirfing: - 1 x 2 - 274/16, 2 x 5 - 12.75; + 1 x 2 - 120/43 K/44 M1894, 8 x 1 - 57/50 K/55 M1889B

1904-1905, Thordön: - 1 x 2 - 274/16, 2 x 5 - 12.75; + 1 x 2 - 120/43 K/44 M1894, 8 x 1 - 47/49 K/52 M1895

1905, John Ericsson: + 4 x 1 - 57/46 K/50 M1892

Naval service

John Ericsson was stricken in 1918 but was still extant as cement barge in 1984.



Many thanks to Wolfgang Stöhr for additional information on this page.