Serial 3911        Monograph Index Guide No. 912-200
From NAVAL ATTACHE     At     LONDON   Date 5 AUGUST, 1941
Source DIRECTOR OF NAVAL CONSTRUCTION   Evaluation RELIABLE
Subject GREAT BRITAIN- NAVY- DESTROYER DESIGN
 
 
SUMMARY:
 
     The Director of Naval Construction, Amiralty, has in hand a 
preliminary design of a "fleet" destroyer based on requirements 
established by the Naval Staff.
 
     1. The Director of Naval Construction is preparing 
sketch plans of a destroyer for fleet use to meet requirements 
established by the Naval Staff.  The following are the character-
istics of the design:
USDD 445
Class
2110      Displacement (standard)                           2,200 tons
2890    Displacement (deep)                            2,960 tons
 369     Length                                               364 feet
 38.5    Beam                                          39'6"
3.0-3.5 G.M.                                                Not less than 3.0 feet
1.2       G.Z.           (Light condition)                            1.2 feet
60,000 H.P.                                                      48,000
               Est Endurance (free route clean bottom) at
5000      20 knots                                                 4150 miles
               Est Maximum Speed        theoretical at
41 Apx Standard displacement                                  36 knots
35        At deep displacement                                          32 knots
 
     Armament:
5-6"/38   Two in number, twin 4".7 H.A./L.A. turrets forward of bridge, 
Max.Elev. Maximum elevation 80 degrees.  "Below Deck" (sunken)
85 degrees     mountings.
1-Quad.   Four in number, twin Before (40 m.m.) Aft arranged for four
1.1       corner defense.
4-0.50 cal.    Six in number, Oerlikune (20 m.m.).
2-quint   Two in number, quadruple torpedo tube mounts.
10-600#   Seventy depth charges.
Plus 8-300#
NONE Arrangements are to be provided for "two speed" mine 
sweeping equipment if required.