WWI U-boat Types

Type U 51

Mittel-U class

6 boats commissioned

Construction history of type U 51

U-boats	#	Shipyard	Werk #	Built during
U 51 - U 56	6	Germaniawerft, Kiel	233 - 238	1914 - 1916

All U-boats of type U 51

Below are the 6 commissioned U-boats of this type.

U 51, U 52, U 53, U 54, U 55, and U 56.

Technical information for type U 51

Displacement: (tons)	715 (sf) 902 (sm) 1060 (total)
Length: (m)	62,20 oa 52,51 ph
Beam: (m)	6,44 oa 4,05 ph
Draught: (draft)	3,64 m
Height:	7,82 m
Power: (hp)	2400 (sf) 1200 (sm)

Speed: (knots)	17,1 (sf) 9,1 (sm)
Range: (miles / knots)	9400/8 (sf) 55/5 (sm)
Torpedoes:	6 2/2 (bow / stern tubes)
Mines:	No mines carried
Deck gun:	88mm 276 rounds
Crew:	36 men
Max depth:	ca. 50 m (164 feet)

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