GERMAN UNDERWATERS ORDNANCE MINES |
Chapter 8 - CONTROLLED MINES |
THE KMB MINES |
The KMB is a very simple controlled mine made of wood and concrete. It can be used as a normal controlled mine for firing by observation, as a magnetically monitored mine using the M 1 unit for night control, or as a combination of the two. It was designed early in 1944 to be used against landing craft and to be controlled from an observation point on shore. |
Characteristics of the mine are as follow: |
Height |
31 in. |
Diameter |
41 in. |
Weight of charge |
220 or 440 lb. of cast hexanite |
Total weight of mine |
1,760 or 1,980 lb. |
Safety distance |
165 to 260 ft. |
Maximum effective |
100 ft. |
Minimum effective |
Unlimited |
Method of laying |
By crane from deck of surface vessel with no way on |
Figure 108 – KMB Mine |
|