Saugus 1864
| No | Name | Yard No | Builder | Laid down | Launched | Comm | Fate |
| Canonicus, 6.1869- Scylla, 8.1869- Canonicus | Harrison Loring, Boston | 1862 | 1.8.1863 | 16.4.1864 | sold 2.1908 | ||
| Catawba | Alex Swift & Niles Wks, Cincinnati | 1862 | 13.4.1864 | never (completed 10.6.1865) | to Peru 4.1868 (Atahualpa) | ||
| Mahopac | Secor, Jersey City | 1862 | 17.5.1864 | 22.9.1864 | sold 3.1902 | ||
| Manayunk, 6.1869- Ajax | Snowden & Mason, Pittsburgh | 1862 | 18.12.1864 | 1.1.1871 (completed 27.9.1865) | to Naval Militia 9.1895-7/1898, sold 10.1899 | ||
| Manhattan, 6.1869- Neptune, 8.1869- Manhattan | Perine, Secor, Jersey City | 1862 | 14.10.1863 | 6.6.1864 | for disposal 12.1901 | ||
| Oneota | Alex Swift & Niles Wks, Cincinnati | 1862 | 21.5.1864 | never (completed 10.6.1865) | to Peru 1868 (Manco Capac) | ||
| Saugus, 6.1869- Centaur, 8.1869- Saugus | Harlan & Hollingsworth, Wilmington | 1862 | 16.12.1863 | 7.4.1864 | sold 5.1891 | ||
| Tecumseh | Secor, Jersey City | 1862 | 12.9.1863 | 19.4.1864 | sunk 5.8.1864 | ||
| Tippecanoe, 6.1869- Vesuvius, 8.1869- Wyandotte | Miles Greenwood, Cincinnati | 9.1862 | 22.12.1864 | 24.1.1876 (completed 12.1865, delivered 15.2.1866) | station ship 1879, to Naval Militia 1896-4/1898, sold 1.1899 |
|
Displacement normal, t |
2100 |
|
Displacement full, t |
|
|
Length, m |
68.0 - 68.6 |
|
Breadth, m |
13.1 - 13.2 |
|
Draught, m |
3.78 - 3.96 mean |
|
No of shafts |
1 |
|
Machinery |
1 Ericsson VL, 2 Stimers or Martin boilers |
|
Power, h. p. |
320ihp |
|
Max speed, kts |
8 |
|
Fuel, t |
coal 140 - 150 |
| Endurance, nm(kts) | |
|
Armour, mm |
iron; side: 127 - 76, turret: 254, deck: 38 |
|
Armament |
1 x 2 - 381/12 long Dahlgren SB |
|
Complement |
100 |
Project history: This class were improved Passaic, with wood and iron upper and iron lower hulls, modified in accordance with war experience. The four ships not commissioned during the war, were built on the Ohio river, three at Cincinnati and Manayunk as far up as South Pittsburgh. The hull lines were improved and designed speed is given as 13 kts but there was no hope of getting near this. Canonicus and later monitors had the 381mm guns longer than in the Passaic class and fired with their muzzles outside the turret.
Ship protection: The 5x25mm side armour was backed by two iron stringers 165mm deep and 152mm thick for 21.3m from the bows, but 102mm elsewhere, and the armour lower edge was 3 x 25mm. The turret, of 6.4m internal diameter, had 10x25mm plates as did the pilot house above, and the funnel base was also armoured. The turret skirt was protected by a 127mm thick 381mm high ring fixed to the deck.
Modernizations: None.
Naval service: Tecumseh was mined in Mobile Bay 5.8.1864. Wyandotte was first commissioned only 24.1.1876, till 1879 served as station ship at Washington, loaned to Naval militia in 1896 but recommissioned to the Navy for Spanish American war 30.4.1898. In September 1898 she was decommissioned and sold in January 1899.
Mahopac in the Appomattox river 1 January 1864
Manhattan 1880s
Canonicus as seen on 12 June 1907 at Hampton Roads
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