Three ''Janus''-class torpedo-boat destroyers (TBDs) served with 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 ...
. , and were ordered under the 1893-94 Programme, all laid down on 28 March 1894 at Palmer's shipyard at
Jarrow
Jarrow ( or ) is a town in South Tyneside in the county of Tyne and Wear, England. It is east of Newcastle upon Tyne. It is situated on the south bank of the River Tyne, about from the east coast. It is home to the southern portal of the Tyne ...
and launched during 1895. They displaced 275 tons (light), were long and produced from their
Reed water tube boiler
The Reed water tube boiler was a type of water tube boiler developed by J. W. Reed, manager of the engine works at Palmers Shipbuilding and Iron Company of Jarrow, England, where it was manufactured from 1893 to 1905. At this time, Palmer ...
s which gave them a top speed of .
Under the 1893–1894 Naval Estimates, the
British Admiralty
The Admiralty was a department of the Government of the United Kingdom responsible for the command of the Royal Navy until 1964, historically under its titular head, the Lord High Admiral – one of the Great Officers of State. For much of it ...
placed orders for 36
torpedo-boat destroyer
In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort
larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally developed in 1 ...
s, all to be capable of , the "27-knotters", as a follow-on to the six prototype "26-knotters" ordered in the previous 1892–1893 Estimates. As was typical for torpedo craft at the time, the Admiralty left detailed design to the builders, laying down only broad requirements.
[Chesneau and Kolesnik 1979, p. 87.][Manning 1961, p. 39.]
In September 1913 the Admiralty re-classed all the remaining 27-knotter destroyers, including all three ''Janus''-class vessels, as
A Class destroyers.
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References
{{A class destroyer (1913)
Ship classes of the Royal Navy