G3- and N3-style thinking responds to Britain's restricted dockyard and infrastructure capacity as well as to tonnage limits. HMS Hood already exceeded parts of the available support network, so infrastructure remained a practical design ceiling. Grouping armament and machinery can reduce the protected length that must be separated and armoured. This arrangement seeks the most capable capital ship possible within the available displacement.
Chapter · 8:40-10:39
All-forward guns as a treaty-era efficiency choice
The all-forward British layout concentrates firepower, protection and machinery within treaty and infrastructure limits.