||This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. (January 2013)|
|Preceded by:||Forward class|
|Succeeded by:||Sentinel class|
|In commission:||1905 - 1919|
|Length:||385 ft (117.3 m) o/a|
|Beam:||38.4 ft (11.7 m)|
|Draught:||13.8 ft (4.2 m)|
|Propulsion:||Two 4-cylinder triple-expansion oil-fired steam engines driving twin screws|
|Range:||Carried 160 tons coal (410 tons max)|
As modified 1911/12
|Armour:||conning tower: 3 inch
deck: 1.5 inch - ⅝ inch
belt: 2 inch
The three funnelled 'scout' cruisers were designed to operate as the lead ships of destroyer flotillas but, like other similar ships, were soon outrun by newer classes of destroyers and relegated to secondary duties. The Pathfinders were built by Cammell Laird and had only a partial armoured deck with side armour covering the engine rooms rather than the more usual full length protective deck. Pathfinder was originally to have been named Fastnet but the name was changed before construction was started. The scout cruisers had poor endurance, leading to the loss of the only scout cruiser sunk during the war, HMS Pathfinder. She was so short of coal whilst on patrol that she could only manage a speed of 5 knots making her an easy target for the German submarine U-21 and giving her the distinction of being the first warship sunk by submarine torpedo attack.
- HMS Pathfinder - launched on 16 July 1904 and sunk by torpedoes fired by U-21 off the east coast of Scotland on 5 September 1914.
- HMS Patrol - launched on 13 October 1904, damaged in action against German battlecruisers which raided Hartlepool in 1914. Sold for scrap on 21 April 1920.
- Colledge, J. J.; Warlow, Ben (2006) . Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8. OCLC 67375475.
- Jane's Fighting Ships of World War One (1919), Jane's Publishing Company
- Pathfinder class in World War I
- History of the Pathfinder class
- The Pathfinder class
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