The first two destroyers ordered after World War I the HMS Amazon and HMS Ambuscade were to be prototypes for future destroyers. Prototypes were also ask from Denny, Hawthorn Leslie, and White.
The 4.7" mounts had a 30° elevation and small shields with little protection.
The torpedoes were Mk IVs.
The bridge was all steel. Freeboard was higher and accommodations for crew were improved.
It was found that when the ships were sailing in warm latitudes that the machinery spaces became very hot and the ventilation systems had to be improved.
The steering on the HMS Amazon were steam powered and on the HMS Ambuscade it was electro-hydraulic.
The HMS Amazon's boilers were super heated 3 drum type and the HMS Ambuscade were air pre-heating 4 drum.