NAVYPEDIA

Photo

Amphitrite

Ships

No	Name	Yard No	Builder	Laid down	Launched	Comm	Fate
M2	Amphitrite	253	Harlan & Hollingsworth, Wilmington // Norfolk N Yd, Portsmouth	1874	7.6.1883	23.4.1895	stricken 7.1919
M3, 1920- BM3	Monadnock		Continental Iron Wks, Vallejo // Mare Is N Yd, Vallejo	1875	19.9.1883	20.2.1896	auxiliary 7.1921
M4	Terror	195	Cramp, Philadelphia // New York N Yd, Brooklyn	1874	24.3.1883	15.4.1896	TS late 1901, target 12.1915
M5	Miantonomoh	157	John Roach, Chester // New York N Yd, Brooklyn	1874	5.12.1876	27.10.1891	target 12.1915

Technical data

Displacement normal, t	3990
Displacement full, t
Length, m	BM2: 80.1 BM3: 79.9 BM4, 5: 80.2
Breadth, m	16.9
Draught, m	BM2, 3, 5: 4.42 mean BM4: 4.47 mean
No of shafts	2
Machinery	BM2: 2 HCE, 4 Babcock & Wilcox boilers BM3: 2 HTE, 4 cylindrical boilers BM4, 5: 2 HCE, 6 cylindrical boilers
Power, h. p.	BM2, 4, 5: 1600 BM3: 3000
Max speed, kts	BM2, 4, 5: 12 BM3: 14.5 (really 11.6)
Fuel, t	BM2, 4, 5: coal 270 BM3: coal 386
Endurance, nm(kts)	1090(10)
Armour, mm	BM2, 3: steel, iron - belt: 229, deck: 44, barbettes: 292, turrets: 190, CT: 190 BM4: steel, iron - belt: 178, deck: 44, turrets: 292, CT: 190 BM5: steel, iron - belt: 178, deck: 44, turrets: 292, CT: 229
Armament	BM2, 3: 2 x 2 - 254/31 Mk II, 2 x 1 - 102/40 Mk III/IV/V/VI, 2 x 1 - 57/40 Hotchkiss Mk I/II, 2 x 5 - 37/20 Hotchkiss Mk I BM4: 2 x 2 - 254/31 Mk II, 2 x 1 - 57/40 Hotchkiss Mk I/II, 2 x 5 - 37/20 Hotchkiss Mk I BM5: 1 x 2 - 254/35 Mk I, 1 x 2 - 254/31 Mk I, 2 x 1 - 57/40 Hotchkiss Mk I/II, 2 x 5 - 37/20 Hotchkiss Mk I
Complement	150 - 191

Standard scale images

Graphics

Project history

As with Puritan this class bore little resemblance to the Civil War ships of which they were 'repairs'. Miantonomoh was commissioned when quite incomplete from October 1882 to March 1883, but the completion of the ships as above was not authorized till the Act of 3.8.1886 (Miantonomoh 3.3.1887) - and ordered 1887-1890. They were iron-hulled with steel deck over the belt, and Amphitrite and Monadnock differed from the other two in having barbettes to their turrets, while Terror had pneumatically powered mountings. Monadnock never made her intended 14.5kts, trial speed being 11.63kts.

Ship protection

Steel 44mm armour deck was connected with upper edge of iron main belt. 178 (or 229mm)mm belt extended about 1.2m below and 0.6m above lwl, its thickness was 127mm at ship ends. There were no barbettes, turrets had 292mm sides. Funnel uptakes had 267mm protection, ventilator 229mm. CT had 229mm or 190mm sides.

Modernizations

none.

Naval service

Monadnock served as submarine tender and target tug from January, 1912 but redesignated IX17 only in July, 1921. The other three were rarely in full commission except during the Spanish-American war. Miamonomoh was stricken at the end of 1915 for use as a target but not sold till 1922, and Terror was also stricken at the same time.





1892

Terror off New York 1897