WWI U-boat Types

Type U 27

Mittel-U class

4 boats commissioned

Construction history of type U 27

U-boats	#	Shipyard	Werk #	Built during
U 27 - U 30	4	Kaiserliche Werft, Danzig	17 - 20	1912 - 1914

All U-boats of type U 27

Below are the 4 commissioned U-boats of this type.

U 27, U 28, U 29, and U 30.

Technical information for type U 27

Displacement: (tons)	685 (sf) 878 (sm) 971 (total)
Length: (m)	64,70 oa 52,36 ph
Beam: (m)	6,32 oa 4,05 ph
Draught: (draft)	3,48 m
Height:	7,82 m
Power: (hp)	2000 (sf) 1200 (sm)

Speed: (knots)	16,4 (sf) 9,8 (sm)
Range: (miles / knots)	9770/8 (sf) 85/5 (sm)
Torpedoes:	6 2/2 (bow / stern tubes)
Mines:	No mines carried
Deck gun:	105mm 300 rounds
Crew:	35 men
Max depth:	ca. 50 m (164 feet)

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