Index
Agincourt
Bellerophon Cl
Canada
Colossus Class
King Edward Cl
Dreadnought
Erin
Hood
Invincible Cl
Iron Duke Cl
King George Class
Lion Cl
Neptune
New Zealand
Orion Cl
Queen Elizabeth Cl
Renown Cl
Royal Sovereign Cl
St Vincent Cl
Tiger
 
As extracted from Jane's Fighting Ships © for 1919

1906 British Battle Cruisers

(Invincible Class)


Page 68

INFLEXIBLE (June, 1907) & INDOMITABLE (March, 1907).

INDOMITABLE                    Photo, Topical.

  • Normal Displacement, 17,250 tons (about 20,000 full load.)
  • Complement, 837.
  • Length (waterline), 560 feet. Beam, 78 ft. 10 in. Mean draught, 26 feet; Max. draught 29.75 ; feet. Length over all, 567 feet (p.p. 530).
  • Guns: 8 - 12 inch XI, 45 cal. Dir. Con. ; 12 - 4 inch Dir. Con. ; 1 - 4 inch (anti-aircraft) ; 1 - 3 (anti-aircraft) ; 4 - 3 pdr. ; 5 M.G. (1 landing)
  • Torpedo tubes (18 inch): 4 submerged.
  • Armour - Vertical (K.C.): 6" Belt (amidships) ; 4" Belt (bow) ; 7 - 6" Bulkheads ; 7" Barbettes ; 7" Gunhouses ; 10" C.T. (fore) ; 4" tube (fore) ; 6" C.T. (aft) ; 3" Com tube (aft).
  • Armour - Deck: 1" - " Main ; 1" Middle ; 2" Lower (aft), 2" Slopes, Lower (amidships), 1 Flat Lower (amidships).
  • Special protection; __" screens to magazines.
  • Machinery: Parsons turbines. 4 screw. Boilers: Yarrow or Babcock. Designed H.P. 41,000 = 25 kts.
  • Coal : normal, 1000 tons ; maximum, 3080 tons + 710 - 725 tons oil fuel.

INDOMITABLE - AIRCRAFT VIEW.                    Official R.A.F. photo.

Gunnery Notes: Amidship turrets are very cramped together, and broadside of 8 - 12 inch can only be rarely fired.

Armour Notes: Internal magazine screens not continuous between end barbettes.

Torpedo Notes: Stern tube removed during war.

Name

Builder

Machinery, etc.

Laid down

Completed

Trials (mean)
Full power.

Boilers.

Best recent speed,

Inflexible

Clydebank

Clydebank

Feb., '06

Oct. '08

43,391 = 25.5

Yarrow

Indomitable

Fairfield

Fairfield

March, 06

June, '08

43,780 = 25.3

Babcock

 -

General Notes: Begun under 1905-6 Estimates. Average cost of each, about 1,752,000 = 101.6 per ton. These ships at full speed burn about 500 tons of coal a day, plus about 125 tons of oil. They are not very steady gun platforms. Average cost of machinery, about 472,000. Invincible of this class lost in Battle of Jutland. Inflexible severely damaged by a mine in the bombardment of the Dardanelles, March 18th, 1915. Placed in Reserve. 1919.

Ahead 4 - 6 12 in. ;    Broadside: 6 - 12 in., 2 - 18 in tubes ;     Astern: 4 to 6 12 in.

Notes to Plans: These require revision, but new plans cannot be prepared till information is received giving present distribution of 4-inch guns, AA. guns and searchlights. Stern tube removed. Chart-house and forebridges re-built to leave C.T. clear. 4-inch guns now in unarmoured casemates.

Source: As extracted from Jane's Fighting Ships © for 1919 - Page 68

© Jane's Information Group

^ back to top ^