"B" Class Destroyers
 
Name Pennant Builder Launched Fate
Keith* D06 Vickers Armstrong 10 July 1930  Bombed at Dunkirk June 1940
Basilisk H11 Clydebank 6 Aug. 1930 Bombed at Dunkirk June 1940
Beagle H30 Clydebank 26 Sept. 1930 Scrapped June 1946
Blanche H47 Hawthorn Leslie 29 May 1930 Mined September 1939
Boadicea H65 Hawthorn Leslie 23 Sept. 1930 Torpedoed by German bomber, June 1944
Boreas H77 Palmers 18 July 1930 RHN Salamis 1944-51, Scrapped April 1952
Brazen H80 Palmers 25 July 1930 Bombed July 1940
Brilliant H84 Swan Hunter 9 Oct. 1930 Scrapped April 1948
Bulldog H91 Swan Hunter 6 Dec 1930 Scrapped March 1946

* - Flotilla Leader

The "B" class were only slightly larger than their predecessors, and could carry more DC's. © Andrew Arthur.
Beagle with the immediate pre-war addition of DC's in place of "Y" gun and a 12pdr. AA in place of the after torpedoes. © Andrew Arthur.

Slightly larger "A" class destroyers, except that destroyer sweeps were replaced by asdic, DC racks and throwers.
Brilliant
had her tubes replaced in the war, the after set being removed in this and most "A"-"I" class pre-war for a 3" 12pdr AA, and "Y" gun was removed to fit more DC's and their throwers.
Bulldog had a "hedgehog" in place of "A" 4.7" gun, and a 2 pdr. "bowchaser" gun to deal with E-boats. Boreas was the only member to retain the director tower, others using radar ( SW type 271 ) or local control.

Dimensions
Full Displacement 1635 tons 1821 tons Flotilla Leader Length 323'
Empty Displacement 1360 tons, 1400 tons Flotilla Leader Beam 32.25'
Load 275 tons, 421 tons Flotilla Leaders Draft 8.5'

 

Performance & Propulsion
Machinery 4 x Admirality 3 drum boilers, 2 x Steam Turbines @ 34000 hp
Speed 35 kts

 

Armament & Complement
Complement 138 Officers & Ratings, 175 Flotilla Leader
Armament
Early
  • Gun
    • 4 x 1 x 4.7" DP
    • 2 x 1 x 2 pdr pom-pom AA
    • 5 x 1 x 0.303" MG AA
  • Torpedoes
    • 2 x 4 x 21" tubes
  • ASW
    • DC racks
    • DC throwers
Armament
Later
  • Gun
    • 3 x 1 x 4.7" DP
    • 1 x 1 x 3" 12pdr AA
    • 4 x 1 x 20mm Oerlikon AA
  • Torpedoes
    • 1 x 4 x 21" tubes
  • ASW
    • DC racks
    • DC throwers
   
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