INVINCIBLE

Fleet

Royal Navy

Ship Type

Battle-cruiser

Nickname

–

Ship Class

Invincible

Grouping

3rd Battlecruiser Squadron

Command

Battle-cruiser Fleet

Builder's Yard

Armstrong Whitworth ,Tyneside (Armstrong W. G. & Whitworth Co. Ltd., Newcastle-Upon-Tyne)

Budget Year

1906 Estimates

Construction Notes

Was classified as a armoured cruiser till Admiralty reclassification in 1911 (24 Nov).

Date Laid Down

02.04.2006

Launch Date

13.04.2007

Completed date

20.03.2009

Commission date

–

Year laid down

–

Year launched

–

Year completed

–

Commission Year

–

Pennant No

–

Photo Details

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Related stories

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Sister ships

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Eventual Fate

Sunk after magazine explosion

Jutland result

Magazine explosion after Q turret was penetrated around 18:30 when she appeared as a clear target for Derfflinger and Lützow. Three salvos in 90 seconds finished her. One 12" shell from the third salvo hit midships Q turret. The shell penetrated the turret, blew the roof and the magazine, splitting the ship in two. Six survivors from the magazine explosion - Commander Herbert Dannreuther, Lt. Cecil Sanford, CPO P T I Thompson, Yeoman of Signals Walter Maclean Pratt and gunner Bryan Gasson RMA.

Ready for action after dock repairs

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Commander

Captain Arthur L. Cay (Flying the Flag of Rear-Admiral The Hon. Horace L. A. Hood, C.B., M.V.O., D.S.O.)

Noteable Officers

–

Crew complement

1,032

Officers

–

Ratings

–

Killed

1,026

Wounded

1

Prisoners

–

Displacement full Load (tons)

17,250 Long tons (Tarrant: 17,4320)

Artefacts Data

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Ship's Model

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Length (ft)

567

Length (mtrs)

173

Beam (ft)

78' 6"

Beam (mtrs)

23.9

Draught (ft)

30

Draught (mtrs)

9.1

Max. Speed (knots)

25.5

Range (miles)

3,560 at 10 kts

Range (kilometres)

–

Fuel

Carried 2,997 long tons of coal and 738 long tons of oil , used to spray on the coal to increase burn rate. Could cover 3,090 nm at 10 knots.

Propulsion

Four shaft Parsons direct drive steam turbines, 31 Yarrow boilers giving 41,000 shp. Each Parsons was installed in a separate engine room.

Armour Main Belt

4 to 6" (102 - 152 mm)

Deck Armour

1.5 to 2.5" (38 to 64 mm)

Turret Armour IN CM

7" (178 mm). Turret roof was 3" of Krupp non cemented steel.

Conning Tower Armour

6 to 10" (152 to 254 mm)

Barbette Armour

7" (178 mm)

Weight of armour

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Armour / Displacement Ratio

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Watertight compartments

–

General Notes

Gunnery system was so bad that she had to have refits in 1909 and 1911. She was converted to hydraulic power finally in 1914 at a cost of £151,200.

Fire Control Table

Dreyer Mk 1

Fire Control - Clock

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Primary Gun calibre

BL 12" Mk X (304.8 mm)

No. Primary Turrets

–

Guns (No.barrels)

8

Primary gun layout

–

Rounds per main gun

–

Effective broadside guns

6

Primary shell Weight (inches or cm)

850

Primary Broadside Weight

5100

Secondary Gun Calibre

QF 4" Mk III guns (102 mm)

Guns (No.barrels) 2

16

Rounds per secondary

–

Other Armament

7 maxim guns

Elevation (degrees)

13.5

Gunnery Range (yards)

18,850

Gunnery Range (metres)

–

Rate of Fire (rds per minute)

2

Shells expended Main

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Mines dropped

–

Shells expended Secondary

–

Torpedoes fired

–

Gunnery Notes

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Torpedo Type IN

18"

No. tubes

5

Torpedo Type MM

450

No. Mines

–

Torpedo Notes

submerged

References & sources

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