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FIGHTING SHIPS OF THE WORLD
UNITED KINGDOM
ESCORTS
"Z WHALER" patrol craft (ZEDWHALE) (15, 1915)


Ships


Name No Yard No Builder Laid down Launched Comp Fate
Zedwhale (ex-Z1)   641 Smiths Dock, South Bank 1915 29.5.1915 8.1915 sold 2.1920
Balena (ex-Z2)   642 Smiths Dock, South Bank 1915 29.5.1915 8.1915 sold 4.1920
Beluga (ex-Z3)   643 Smiths Dock, South Bank 1915 26.6.1915 8.1915 sold 4.1920
Bowhead (ex-Z4)   644 Smiths Dock, South Bank 1915 26.6.1915 8.1915 sold 4.1920
Blackwhale (ex-Z5)   645 Smiths Dock, South Bank 1915 28.6.1915 8.1915 sunk 3.1.1918
Bullwhale (ex-Z6)   646 Smiths Dock, South Bank 1915 28.6.1915 9.1915 sold 3.1920
Cachalot (ex-Z7)   647 Smiths Dock, South Bank 1915 28.7.1915 9.1915 sold 1933
Cowwhale (ex-Z8)   648 Smiths Dock, South Bank 1915 28.7.1915 9.1915 sold 3.1920
Humpback (ex-Z9)   649 Smiths Dock, South Bank 1915 12.8.1915 10.1915 sold 3.1920
Rorqual (ex-Z10)   650 Smiths Dock, South Bank 1915 12.8.1915 10.1915 sold 3.1920
Rightwhale (ex-Z11)   651 Smiths Dock, South Bank 1915 10.9.1915 10.1915 sold 3.1920
Icewhale (ex-Z12)   652 Smiths Dock, South Bank 1915 10.9.1915 10.1915 base ship Osprey 3.1924
Finwhale (ex-Z13)   653 Smiths Dock, South Bank 1915 24.9.1915 10.1915 sold 3.1920
Pilotwhale (ex-Z14)   654 Smiths Dock, South Bank 1915 24.9.1915 11.1915 sold 4.1920
Arctic Whale (ex-Z15)   655 Smiths Dock, South Bank 1915 7.10.1915 11.1915 sold 4.1920


Technical data


Displacement normal, t

336
Displacement full, t346
Length, m

40.5
Breadth, m

7.60
Draught, m

2.60
No of shafts

1
Machinery

1 VTE, 2 White-Forster boilers
Power, h. p.

1200
Max speed, kts

13
Fuel, t

coal 60
Armament

1 x 1 - 76/50 12pdr 18cwt QF Mk I

Zedwhale: 1 x 1 - 76/40 12pdr 12cwt QF Mk I/II, 1 x 1 - 57/40 6pdr Hotchkiss Mk I
Complement

26


Standard scale images


<i>Cachalot</i> 1915
Cachalot 1915


Project history

Small submarine chasers in whaler hull intended to patrol, escort, anti-submarine duties. Can be used as decoys. They had good manoeuvrability but very poor seaworthiness and appeared not successful.

Modernizations

1916, all: + 1 DCT (2)

1917 - 1918, all survived: may be + 1 DCT, DC stowage was presumably increased

Naval service

Blackwhale was mined 3.1.1918.

Many thanks to Wolfgang Stöhr for additional information on this page.