WWI U-boat Types

Type U 66

Mittel-U class

5 boats commissioned

Construction history of type U 66

U-boats	#	Shipyard	Werk #	Built during
U 66 - U 70	5	Germaniawerft, Kiel	203 - 207	1913 - 1915

All U-boats of type U 66

Below are the 5 commissioned U-boats of this type.

U 66, U 67, U 68, U 69, and U 70.

Technical information for type U 66

Displacement: (tons)	791 (sf) 933 (sm) 1150 (total)
Length: (m)	69,50 oa 54,66 ph
Beam: (m)	6,30 oa 4,15 ph
Draught: (draft)	3,79 m
Height:	7,95 m
Power: (hp)	2300 (sf) 1240 (sm)

Speed: (knots)	16,8 (sf) 10,3 (sm)
Range: (miles / knots)	7370/8 (sf) 115/5 (sm)
Torpedoes:	12 4/1 (bow / stern tubes)
Mines:	No mines carried
Deck gun:	88mm 264 rounds
Crew:	36 men
Max depth:	ca. 50 m (164 feet)

sm = submerged, sf = surfaced, ph = pressure hull,
oa = overall, hp = horsepower.