BM-2 Amphitrite
Specifications | |
| Displacement (Standard) | 3,990 tons |
| Displacement (Full) | |
| Length | 262' 9"; MIANTONOMOH, TERROR, 263' 1"; MONADNOCK, 262' 3" |
| Beam | 55' 10"; Terror, 55' 6"; MONADNOCK 55' 5"; AMPHITRITE, MIANTONOMOH, 55' 4" (all measured on load water line) |
| Draft | 14' 6" (mean); TERROR, 14' 8" |
| Depth of hold | 17' |
| Powerplant | 2 horizontal compound engines; MONADNOCK, 2 horizontal triple expansion engines |
| Boilers | AMPHITRITE, 4 Babcock & Wilcox; MIANTONOMOH, TERROR, 6 single-ended cylindrical; MONADNOCK, 4 single-ended cylindrical |
| Horsepower | 1,600 indicated horsepower; MONADNOCK, 3,000 indicated horsepower |
| Screws | Twin screw, 12' diameter |
| Speed | 12 knots; MONADNOCK, 14.5 knots |
| Bunker capacity | 270 tons coal (approx.); MONADNOCK, 386 tons coal. The ships normally carried 250 tons of coal when operating. |
| Armor |
AMPHITRITE, turret, 7"; side, 9"
MIANTONOMOH, turret, 11 1/2"; side, 7"
MONADNOCK, turret, 7 1/2"; side, 9"
TERROR, turret, 11"; side, 7"
The side armor described here was actually what is now known as a "belt". The thickness given here and in other post-Civil War monitors is taken at the water line.
|
| Armament | 4 10-inch breech loading rifles assorted 4-inch and 6-pdrs. |
| Aircraft | none |
| Complement | 150 (approx.) |
| Capacity | |
