"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

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'

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