plansTypeII1

Type II German Pre WWII submarine, 1935
Type IIA Type IIB Type IIC Type IID
Role Coastal U-boat Coastal U-boat Coastal U-boat Coastal U-boat
Displacement
Surfaced
Submerged
253.8 tons
301.1 tons
278.9 tons
328.5 tons
291 tons
341 tons
314 tons
364 tons
Dimensions
Length
Beam
Draught
134.2ft (40.9m)
13.4ft (4.1m)
12.5ft (3.8m)
140.1ft (42.7m)
13.4ft (4.1m)
12.8ft (3.9m)
144.0ft (43.9m)
13.5ft (4.1m)
12.5ft (3.8m)
144.4ft (44.0m)
16.4ft (5.0m)
12.8ft (3.9m)
Top speed
Surfaced
Submerged
13.0 knots
6.9 knots
13.0 knots
7.0 knots
12.0 knots
7.0 knots
12.7 knots
7.4 knots
Maximum range
Surfaced
Surfaced
Submerged
Submerged
1,050nm at 12kt
2,000nm at 8kt
35nm at 4kt
71nm at 2kt
1,800nm at 12kt
3,900nm at 8kt
35nm at 4kt
71nm at 2kt
1,900nm at 12kt
4,200nm at 8kt
35nm at 4kt
71nm at 2kt
3,200nm at 12kt
5,680nm at 8kt
56nm at 4kt

Crush depth
Crash dive time 328ft (100m)
35secs 328ft (100m)
30secs 328ft (100m)
25secs 328ft (100m)
25secs
Weapons
Bow tubes
Stern tubes
Torpedo capacity
Mines
Guns
Ammunition
Three 21 inch
None
Six
TMA, TMB
20mm Twin Flak
850 rounds
Three 21 inch
None
Six
TMA, TMB
20mm Twin Flak
1,000 rounds
Three 21 inch
None
Six
TMA, TMB
20mm Twin Flak
1,000 rounds
Three 21 inch
None
Six
TMA, TMB
20mm Twin Flak
1,000 rounds
Officers and crew 3 + 22 = 25 3 + 22 = 25 3 + 22 = 25 3 + 22 = 25
Total built 6 20 8 16
First launch June 15, 1935 June 29, 1935 Sept 3, 1939 May 18, 1940