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FIGHTING SHIPS OF THE WORLD
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CAPITAL SHIPS AND MONITORS
JOHN ERICSSON monitors (1865-1867)


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


<i>John Ericsson</i> 1865
John Ericsson 1865


Graphics


<i>John Ericsson </i>1898 <i>Many thanks to Wolfgang Stöhr for additional information on this page.</i>
John Ericsson 1898 Many thanks to Wolfgang Stöhr for additional information on this page.
<i>Tirfing</i>
Tirfing


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.