HMAS Hobart (D63) - Design and Construction

Design and Construction

The ship was one of three Modified Leander-class light cruisers constructed for the Royal Navy. The main difference to the previous five Leanders was that the newer ships had their machinery and propulsion equipment organised in two self-contained units (separated fore and aft), allowing the ship to continue operating if one set was damaged. The two exhaust funnels, one for each machinery space, gave the modified ships a different profile from the early Leanders, which had a single funnel. To cover the separate machinery spaces, the side armour was extended from 84 to 141 feet (26 to 43 m), negating the weight reduction created by the separation. During design, it was planned to modify the forward-most and aft-most 6-inch turrets to be fitted with three guns instead of two, but the plan was cancelled when it was determined that the required alterations would cause several negative side effects, including reducing the ship's top speed and causing problems with effective fire control.

The cruiser was laid down at HM Dockyard, Devonport, England on 15 August 1933 as HMS Apollo. She was launched on 9 October 1934 by Lady Florence, wife of Admiral Sir William Boyle. The ship was commissioned into the Royal Navy on 13 January 1936.

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