Machinery
Vanguard was powered by four Parsons direct drive turbines, driving four shafts. Steam was provided by eighteen Babcock and Wilcox large-tube boilers, with a working pressure of 235 pounds per square inch. The designed Shaft Horse Power (SHP) was 24,500, and the design maximum speed at this SHP was 21 knots. A full fuel load was 2,700 tons of coal and 850 tons of oil, which gave a radius of action of 6.900 nautical miles at ten knots
On trials she exceeded her design speed, delivering a speed of 22.1 knots from 25,800 SHP.
Read more about this topic: HMS Vanguard (1909)
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