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Type X B

 


   
This large mine-layer was developed from type I A and plans for type X A. It was quite easy to identify as it had a raised section on front deck.

The X B could carry over sixty mines! Eighteen in six bow shafts and the rest in side shafts.
Besides laying mines, this type also were used as supply vessel.

8 were built: U 116 - U 119, U 219 - U 220 and U 233 - U 234.
 


  
Description: Long distance / Ocean going / Mine Layer / Supply boat.
First launched: 1941
Complement, Off / Men 5 / 47 incl Medical Officer
Displacement surf: 1763 t
Displacement subm: 2710 t
Length: 89,8 m
Beam, max: 9,2 m
Depth: 4,7 m
Max speed surfaced: 17,0 kt
Max speed submerged: 7,0 kt
Radius surfaced: 6750 sm at 16 kt
18450 sm at 10 kt
Radius submerged: -95 sm at 4 kt
Max diving depth: 200 m
Diving time, stationary: ?
Diving time, alarm moving: -40 sec
Oil fuel carried: 368 t
Torpedo tubes, bow / stern: 0 / 2
Nr of torpedoes / mines: 15 / 22 plus 66 in mine shafts
Guns fitted: 1. 37 mm AA with 2500 rds,
1. 20 mm AA with 4000 rds,
1. 105 mm deck gun with 200 rds.
   

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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