"P" Class Patrol Boat (1915)

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A total of 43 "P" Boats were completed for patrol work with the Royal Navy. Ten additional vessels (seemingly, Ps 42-44, 51, 55, 56, 60-63) were started but were completed as "PC" Boats.

All were launched between October 1915 and May 1918, but the launch dates we provide are approximate.

Design

"P" boats resembled submarines, with a low appearance and ram bow. Large rudders combined with a sprightly hull form ensured high manoeuvrability.

Armament

  • one 4-in gun forward (a second, aft, in P52).
  • one 2-pdr pom-pom
  • two single 14-in torpedo tubes (seemingly fitted to fire at fixed angles on the quarters, these were removed by 1918 to make room for more depth charges[1])
  • two cradles aft for single depth charges

Many of the 14-in torpedo tubes removed from these boats was fitted in destroyers of the Harwich Force and Dover Patrol as fixed tubes firing on the beam.[2]

See Also

Footnotes

  1. Annual Report of the Torpedo School, 1918. p. 84.
  2. Annual Report of the Torpedo School, 1918. p. 84.

Bibliography

  • Gray, Randal (editor) (1985). Conway's All the World's Fighting Ships 1906–1921. London: Conway Maritime Press. (on Amazon.com and Amazon.co.uk).


"P" Class Patrol Boat
May 1915 Order
P11 P12 P13 P14 P15
P16 P17 P18 P19 P20
P21 P22 P23 P24 P25
P26 P27 P28 P29 P30
  P31 P32 P33 P34  
February 1916 Order
  P35 P36 P37  
  P38 P39 P40  
March 1916 Order
P41 P45 P46 P47 P48
P49 P50 P52 P53 P54
April-May 1916 Order
  P57 P58 P59  
June 1916 Order
  P64  
<– Insect Class Small Fry (UK) "PC" Class –>