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Type XXIII

 


 
Type XXIII, the coastal counterpart of the full sized XXI.
New, late war tactics played a role in the making of this boat.

? were built.
 


 
Description: Coastal
First launched: 1944
Complement, Off / Men 2 / 12
Displacement surf: 234 t
Displacement subm: 275 t
Length: 34,5 m
Beam, max: 3,0 m
Depth: 3,7 m
Max speed surfaced: 9,7 kt
Max speed submerged: 12,5 kt
Radius surfaced: 2600 sm at 8 kt
4450 sm at 6 kt
Radius submerged: 35 sm at 10 kt
194 sm at 4 kt
Max diving depth: 160 m
Diving time, stationary: ?
Diving time, alarm moving: -10 sec
Oil fuel carried: 20,7 t
Torpedo tubes, bow / stern: 2 / 0
Nr of torpedoes / mines: 2 / 0
Guns fitted: x
   

Off = Officers, surf = surfaced, subm = submerged,
max = maximum, Nr = number, t = tons, m = metres, mm = millimetres,
kt = knots, sm = sea miles, sec = seconds, AA = Anti Aircraft, rds = rounds
+ = more than, - = less than, x = No/none, ? = unknown
Please note that some figures are to be considered approximate.
Main sourse for The Boats Section is the excellent book "U-boats
under the Swastika" by J.P. Mallman Showell, ISBN: 0 7110 0379 3.

 

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