Original sentence: " Unfortunately, the gunhouse was cramped, and the heavy projectile and cartridge cases resulted in a reduced sustained rate of fire from the designed twelve rounds per minute to seven or eight
Edited sentence: " A wartime account describes HMS Euryalus firing her 5.25 in guns: "We left Suez and headed for the Gulf, where at 1PM the ship's company closed to action-stations and gave a demonstration of the cruiser's fire power to the army officers.Fire was opened with the 10 5.25" guns in the form of a low angle barrage accompanied by fire from smaller guns.Set to burst at 2000 yds range, a terrific barrage was put up for two minutes and we fired some two hundred rounds of 5.25-inch HE...A wall of bursting shell was thrown up just above sea level and I could see that the army officers were impressed..."   Unfortunately, the gunhouse was cramped, and the heavy projectile and cartridge cases resulted in a reduced sustained rate of fire from the designed twelve rounds per minute to seven or eight