Machinery
Four shafts were directly driven by four Parsons turbines, supplied with steam by eighteen Yarrow large-tube boilers with a normal working pressure of 235 pounds/square inch (PSI). The designed shaft horse-power (SHP) was 24,500, and the designed maximum speed was 21 knots. The normal load of coal was 900 tons, but up to 2,700 tons could be carried, together with 850 tons of fuel oil. The radius of action at 10 knots was 4,690 nautical miles using coal only, or 6,900 nautical miles when oil was sprayed onto the coal. The radius at 18.7 knots was 4,250 miles.
Read more about this topic: HMS Collingwood (1908)
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