HMS Ajax was a 74-gun third rate ship of the line

Ship of the line

A ship of the line was a type of naval warship constructed from the 17th through the mid-19th century to take part in the naval tactic known as the line of battle, in which two columns of opposing warships would manoeuvre to bring the greatest weight of broadside guns to bear...

 of the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

, launched on 2 May 1809 at Blackwall Yard

Blackwall Yard

Blackwall Yard was a shipyard on the Thames at Blackwall, London, engaged in ship building and later ship repairs for over 350 years. The yard closed in 1987...

.

She was converted to a blockship

Blockship

A blockship is a ship deliberately sunk to prevent a river, channel, or canal from being used.It may either be sunk by a navy defending the waterway to prevent the ingress of attacking enemy forces, as in the case of HMS Hood at Portland Harbour; or it may be brought by enemy raiders and used to...

with screw propulsion for coastal defence (also called 'steam-guard-ships') in 1846.

The conversion process involved removing her copper, ballast and some of the bulkheads, and cutting her down in the shape of a blockship.

She was broken up in 1864.

External links

• HMS Ajax