DDG-31 Decatur
EDDG-31 Self Defense Test Ship (SDTS)
| Specifications | |
|---|---|
| Length(O/A) | 418.5' |
| Length(W/L) | |
| Beam | 45.2' |
| Draft | 20-22' |
| Displacement | 4,050 tons Full Load 2,850 tons Standard |
| Boilers | 4 Foster Wheeler 1,200 psi (DD-936) 4 Babcock & Wilcox 1,200 psi (others) |
| Turbines | 2 Westinghouse geared steam (DD-932) 2 General Electric geared steam (others) |
| Horsepower | 70,000 shp |
| Shafts | 2 |
| Endurance | 4,500 NM @ 20kts |
| Max Speed | 32.5-33 knts |
| Main Battery | 3 x 5"/54 (Mk 42) DP 1 single mount forward, 2 single mounts aft [aft mounts removed in DDG conversions] |
| AAW | 4 x 3"/50 cal in two twin mounts (reduced to 2 then removed from all by 1975) 4 x .50 cal HMG |
| SAM | 1 x Mk13 single launcher w/40 Tartar (RIM-24) missiles aft |
| ASW | 1x Mk 16 8 tube ASROC launcher amidships |
| Depth Charges | 2 x Hedgehog launchers replaced later by Mk32 torpedo launchers |
| Torpedoes | 4 x Mk 25 fixed torpedo tubes w/ Mk 32 torps replaced by 6 x 324mm torpedoes in 2 triple Mk 32 launchers |
| Systems |
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