USA, Passaic Class Monitors 10 in Class
In commission: 25 November 1862 - 1899
Displacement: 1,875 tons
Length: 200 ft (61 m) overall
Beam: 46 ft (14 m)
Draught: 10 ft 6 in (3.20 m)
Speed: 7 knots
Complement: 75
Armament: 1 × 15 in (381 mm) smoothbore
1 × 11 in (279 mm) smoothbore
Lehigh, Patapsco:
1 × 15 in (381 mm) smoothbore
1 × 8 in (203 mm) Parrott rifle
Camanche:
2 × 15 in (381 mm) smoothbore
Armor: Iron
Side: 5 - 3 in (12.7 - 7.6 cm)
Turret: 11 in (27.9 cm)
Deck: 1 in (2.5 cm)
USA, Canonicus Class Monitors 9 in Class
In commission: 1864–1898
Tonnage: 1,034 tons (bm)
Displacement: 2,100 long tons (2,100 t)
Length: 223 ft (68.0 m)
Beam: 43 ft 4 in (13.2 m)
Draft: 13 ft 6 in (4.1 m)
Speed: 8 knots (15 km/h; 9.2 mph)
Complement: 100 officers and enlisted men
Armament: 2 × 15-inch (381 mm) smoothbore Dahlgren guns
Armor:
Gun turret: 10 in (254 mm)
Waterline belt: 5 in (127 mm)
Deck: 1.5 in (38 mm)
Pilot house: 10 in (254 mm)
The Canonicus replaces my earlier version.
USA, USS Roanoake (1855/1863 Rebuild).
Originally a member of the Merrimack Class Screw Frigates of 1855. As a war expedient to help counter the ironclads being built by the Confederacy, the frigate was modified into a 3 turreted ironclad ship.
Displacement: 6,300 long tons (6,400 t)
Beam: 53 ft 3 in (16.2 m)
Speed: 8.5 knots (15.7 km/h; 9.8 mph)
Complement: 347
Armament: 2 × 15 in (381 mm) Dahlgren guns
2 × 150-pounder Parrott rifle
2 × 11 in (279 mm) Dahlgren guns
Armor:
Waterline belt: 3.5–4.5 in (89–114 mm)
Deck: 1.5 in (38 mm)
Gun turrets: 11 in (279 mm)
Pilothouses: 9 in (229 mm)
CraigH