| 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
|
|
