This class was a reaction to rumours that the Germans were commissioning submarines fast enough to keep pace with their surface fleet. Therefore, this submarine type was bred for speed to achieve this goal, but didn't succeed. Fortunately, the rumour proved to be false.
Endurance: 9265 km
Maximum speed: 19 kts
1 x 12-pdr 20 cwt HA Mk I. Ammo: 100 rounds
1 x 12-pdr 18 cwt QF Mk I. Ammo: 100 rounds
6 x 18in Mk VIII Torpedo. Ammo: 12 torpedoes
Ships in classEdit