Girish Mahajan (Editor)

Grampus class submarine

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Preceded by
  
River class

Completed
  
6

Retired
  
1

Succeeded by
  
Lost
  
5

Name
  
Grampus-class submarine

The Grampus-class submarines were a group of minelaying submarines built for the Royal Navy in the late 1930s. These boats are sometimes referred to as the Porpoise class from the single prototype, HMS Porpoise built in 1932. Five boats to a modified design were built between 1936 and 1938. The ships were all named after marine mammals.

Contents

Design

The mines were stored in a special "gallery" with a conveyor belt built into the outer casing as pioneered by the converted M-class submarine HMS M3. These boats were of a saddle tank type.

Service

Boats of this class were used extensively in the Mediterranean, particularly to supply the besieged island of Malta in a service nicknamed the "magic carpet".

Only one, HMS Rorqual, survived the war.

References

Grampus-class submarine Wikipedia


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