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ROYAL NAVY - UNITED KINGDOM

ESCORTS

HYDERABAD submarine decoy vessel (1917)

Name No Yard No Builder Laid down Launched Comp Fate
Hyderabad (Coral, Nicobar, SSS956) P80, P77   Thornycroft, Chiswick   27.8.1917 9.1917 depot ship 1919

 

Displacement normal, t

595

Displacement full, t

624

Length, m

73.4 pp

Breadth, m

11.0

Draught, m

1.91

No of shafts

2

Machinery

2 VTE

Power, h. p.

 

Max speed, kts

 

Fuel, t

 

Endurance, nm(kts)  

Armament

hidden: 1 x 1 - 102/40 QF Mk III, 2 x 1 - 76/40 QF Mk I/II, 2 x 1 - 450 TT, 4 DCT, 1 DCR (4), 1 CMB 40ft MTB

exposed: 1 x 1 - 47/30 21/2pdr Hotchkiss Mk I/II/III

Complement

73

Project history: Hyderabad was designed specially for service as a decoy vessel. She possessed many unique and elaborate features: unusually shallow draught, tilting gun mountings and collapsible deck structures used to conceal weapons. Twin screws were set in tunnels in the aft part of the hull and a false rudder-top that visible above water suggested a deep draught.

Modernizations: None.

Naval service: No significant events.

© Ivan Gogin, 2008-10