HMS ''Impulsive'' was an built for the
Royal Navy
The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...
during the 1930s. She saw service in
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
before being scrapped in 1946. She has been the only ship of the Navy to bear this name.
Description
The I-class ships were improved versions of the preceding
H-class. They displaced at
standard Standard may refer to:
Symbols
* Colours, standards and guidons, kinds of military signs
* Standard (emblem), a type of a large symbol or emblem used for identification
Norms, conventions or requirements
* Standard (metrology), an object th ...
load and at
deep load
The displacement or displacement tonnage of a ship is its weight. As the term indicates, it is measured indirectly, using Archimedes' principle, by first calculating the volume of water displaced by the ship, then converting that value into wei ...
. The ships had an
overall length
The overall length (OAL) of an ammunition cartridge is a measurement from the base of the brass shell casing to the tip of the bullet, seated into the brass casing. Cartridge overall length, or "COL", is important to safe functioning of reloads in ...
of , a
beam
Beam may refer to:
Streams of particles or energy
*Light beam, or beam of light, a directional projection of light energy
**Laser beam
*Particle beam, a stream of charged or neutral particles
**Charged particle beam, a spatially localized grou ...
of and a
draught of . They were powered by two
Parsons
Parsons may refer to:
Places
In the United States:
* Parsons, Kansas, a city
* Parsons, Missouri, an unincorporated community
* Parsons, Tennessee, a city
* Parsons, West Virginia, a town
* Camp Parsons, a Boy Scout camp in the state of Washingto ...
geared
steam turbine
A steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884. Fabrication of a modern steam turbin ...
s, each driving one
propeller shaft
A drive shaft, driveshaft, driving shaft, tailshaft (Australian English), propeller shaft (prop shaft), or Cardan shaft (after Girolamo Cardano) is a component for transmitting mechanical power and torque and rotation, usually used to connect ...
, using steam provided by three
Admiralty three-drum boiler
Three-drum boilers are a class of water-tube boiler used to generate steam, typically to power ships. They are compact and of high evaporative power, factors that encourage this use. Other boiler designs may be more efficient, although bulkier, an ...
s. The turbines developed a total of and were intended to give a maximum speed of .
[ ''Impulsive'' only reached a speed of from during her ]sea trial
A sea trial is the testing phase of a watercraft (including boats, ships, and submarines). It is also referred to as a " shakedown cruise" by many naval personnel. It is usually the last phase of construction and takes place on open water, and ...
s. The ships carried enough fuel oil
Fuel oil is any of various fractions obtained from the distillation of petroleum (crude oil). Such oils include distillates (the lighter fractions) and residues (the heavier fractions). Fuel oils include heavy fuel oil, marine fuel oil (MFO), bun ...
to give them a range of at . Their crew numbered 145 officers and ratings.[Lenton, p. 161]
The ships mounted four 4.7-inch (120 mm) Mark IX guns in single mounts, designated 'A', 'B', 'X' and 'Y' from bow to stern
The stern is the back or aft-most part of a ship or boat, technically defined as the area built up over the sternpost, extending upwards from the counter rail to the taffrail. The stern lies opposite the bow, the foremost part of a ship. Ori ...
. For anti-aircraft
Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes surface based, ...
(AA) defence, they had two quadruple mounts for the 0.5 inch Vickers Mark III machine gun
A machine gun is a fully automatic, rifled autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles (including assault rifles and battle rifles) a ...
. The I class was fitted with two above-water quintuple torpedo tube mounts for torpedoes. One depth charge
A depth charge is an anti-submarine warfare (ASW) weapon. It is intended to destroy a submarine by being dropped into the water nearby and detonating, subjecting the target to a powerful and destructive Shock factor, hydraulic shock. Most depth ...
rack and two throwers were fitted; 16 depth charges were originally carried,[ but this increased to 35 shortly after the war began. ''Impulsive'' was one of the four I-class destroyers fitted with minelaying equipment in late 1938 – January 1939 at ]Malta
Malta ( , , ), officially the Republic of Malta ( mt, Repubblika ta' Malta ), is an island country in the Mediterranean Sea. It consists of an archipelago, between Italy and Libya, and is often considered a part of Southern Europe. It lies ...
. This consisted of mounts for rails on the deck on which to carry the mines and an electric winch to move the mines down the rails. A pair of sponson
Sponsons are projections extending from the sides of land vehicles, aircraft or watercraft to provide protection, stability, storage locations, mounting points for weapons or other devices, or equipment housing.
Watercraft
On watercraft, a spon ...
s were added to the stern to allow the mines to clear the propellers when dropped into the sea. 'A' and 'Y' guns and both sets of torpedo tubes were modified to allow them to be removed to compensate for the weight of the mines. The ships could carry a maximum of 72 mines. The I-class ships were fitted with the ASDIC
Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, measure distances (ranging), communicate with or detect objects on or ...
sound detection system to locate submarines underwater.
Construction and career
''Impulsive'' was laid down
Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship.
Keel laying is one o ...
on 9 March 1936 by J. Samuel White and Company at their Cowes
Cowes () is an English seaport town and civil parish on the Isle of Wight. Cowes is located on the west bank of the estuary of the River Medina, facing the smaller town of East Cowes on the east bank. The two towns are linked by the Cowes Floa ...
shipyard, launched on 1 March 1937 and completed on 29 January 1938. 28 and 29 May 1940 she made four trips to Dunkirk and rescued 2,919 troops. Following that, she participated in mine-laying duties and in the Arctic convoys
The Arctic convoys of World War II were oceangoing convoys which sailed from the United Kingdom, Iceland, and North America to northern ports in the Soviet Union – primarily Arkhangelsk (Archangel) and Murmansk in Russia. There were 78 convoys ...
. She attacked and sank the in the Barents Sea
The Barents Sea ( , also ; no, Barentshavet, ; russian: Баренцево море, Barentsevo More) is a marginal sea of the Arctic Ocean, located off the northern coasts of Norway and Russia and divided between Norwegian and Russian territo ...
north-east of Murmansk
Murmansk (Russian: ''Мурманск'' lit. "Norwegian coast"; Finnish: ''Murmansk'', sometimes ''Muurmanski'', previously ''Muurmanni''; Norwegian: ''Norskekysten;'' Northern Sámi: ''Murmánska;'' Kildin Sámi: ''Мурман ланнҍ'') i ...
in Russia on 16 September 1942. The destroyer's commander was William Scott Thomas, grandfather of actress Kristin Scott Thomas
Dame Kristin Ann Scott Thomas (born 24 May 1960) is a British actress who also holds French citizenship. A five-time British Academy Film Awards, BAFTA Award and Laurence Olivier Award, Olivier Award nominee, she won the BAFTA Award for Best ...
and the father of Admiral Sir Richard Thomas (a former Black Rod
Black Rod (officially known as the Lady Usher of the Black Rod or, if male, the Gentleman Usher of the Black Rod) is an official in the parliaments of several Commonwealth countries. The position originates in the House of Lords of the Parliam ...
).Sunderland
Sunderland () is a port city in Tyne and Wear, England. It is the City of Sunderland's administrative centre and in the Historic counties of England, historic county of County of Durham, Durham. The city is from Newcastle-upon-Tyne and is on t ...
.
Notes
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{{DEFAULTSORT:Impulsive (D11)
I-class destroyers of the Royal Navy
Ships built on the Isle of Wight
1937 ships
World War II destroyers of the United Kingdom