The E class cruisers were to go up against German cruisers that were believed to be under construction in 1917. The E class were to have high speed and carry 6" guns.
Three E class cruisers were ordered in March 1918. The end of World War I caused one to be cancelled. The remaining two were slow to completion due to labor shortages.
There was one catapult behind the aft funnel.
6" Mk XXII
6" L/45 BL Mk XII
There were two boilers in each engine room that powered a shaft.