Naval Historywith Dr. Alex

Q&A · 3:04:44-3:05:02

What a 30-knot Chatham-class refit would require

A complete machinery replacement might push the Chatham subclass past 30 knots, but the hull would also need reinforcement around its framing and bow.

Chatham Class CruisersNaval ModernisationRoyal NavyShip StructureTown Class Light Cruisers (1910)Warship Propulsion
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Question

Could a Chatham-subclass Town-class cruiser exceed 30 knots after a complete boiler and machinery refit?

Short answer

Potentially, provided the refit also strengthened the framing and bow.

Notes

A 30-knot result was possible rather than automatic. Suitable new boilers and turbines could provide the required power. The cruiser would also need structural work because the original framing and bow were not designed for sustained operation at the proposed speed. A machinery refit can impose hull-strength requirements beyond the engine room.