HMS ''E45'' was a
British E-class submarine
The British E-class submarines started out as improved versions of the British D-class submarine. The E class served with the Royal Navy throughout World War I as the backbone of the submarine fleet. The last surviving E class submarines we ...
built by
Cammell Laird
Cammell Laird is a British shipbuilding company. It was formed from the merger of Laird Brothers of Birkenhead and Johnson Cammell & Co of Sheffield at the turn of the twentieth century. The company also built railway rolling stock until 1929, ...
,
Birkenhead
Birkenhead () is a town in the Metropolitan Borough of Wirral, Merseyside, England. The town is on the Wirral Peninsula, along the west bank of the River Mersey, opposite Liverpool. It lies within the Historic counties of England, historic co ...
. She was launched on 25 January 1916 and was commissioned in August 1916. ''E45'' torpedoed
U-boat
U-boats are Submarine#Military, naval submarines operated by Germany, including during the World War I, First and Second World Wars. The term is an Anglicization#Loanwords, anglicized form of the German word , a shortening of (), though the G ...
in the
North Sea
The North Sea lies between Great Britain, Denmark, Norway, Germany, the Netherlands, Belgium, and France. A sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian Se ...
on 15 October 1917. ''E45'' was sold in South
Wales
Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...
on 6 September 1922.
Design
Like all post-''E8''
British E-class submarine
The British E-class submarines started out as improved versions of the British D-class submarine. The E class served with the Royal Navy throughout World War I as the backbone of the submarine fleet. The last surviving E class submarines we ...
s, ''E45'' had a displacement of at the surface and while submerged. She had a total length of
and a beam of . She was powered by two Vickers eight-cylinder two-stroke diesel engines and two electric motors.
[Akerman, P. (1989). ''Encyclopaedia of British submarines 1901–1955''. 149–150. Maritime Books.]
/ref>torpedo tube
A torpedo tube is a cylindrical device for launching torpedoes.
There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...
s, two in the bow, one either side amidships, and one in the stern; a total of 10 torpedoes were carried.[
E-Class submarines had wireless systems with power ratings; in some submarines, these were later upgraded to systems by removing a midship torpedo tube. Their maximum design depth was although in service some reached depths of below . Some submarines contained ]Fessenden oscillator
A Fessenden oscillator is an electro-acoustic transducer invented by Reginald Fessenden, with development starting in 1912 at the Submarine Signal Company of Boston. It was the first successful acoustical echo ranging device. Similar in operat ...
systems.
References
Bibliography
*
{{DEFAULTSORT:E45
British E-class submarines of the Royal Navy
Ships built on the River Mersey
1916 ships
World War I submarines of the United Kingdom
Royal Navy ship names