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(Above Left) One of Titanic's 40 foot high triple expansion (High, medium, & low pressure ) reciprocating engines. (Above right) Titanic's engines exposed, but still standing upright and seated in their bedplates.
Titanic was equipped with three main engines, two reciprocating four-cylinder, triple-expansion steam engines and one centrally placed low-pressure Parsons turbine, each driving a propeller. The two reciprocating engines had a combined output of 30,000 hp and a further 16,000 hp was contributed by the turbine.
Titanic's reciprocating engines were each 63 feet long and weighed 720 tons, their bedplates contributing a further 195 tons. They were powered by coal fired steam produced in the ship's 29 boilers, 24 of which were double-ended and 5 single-ended, which contained a total of 159 furnaces.
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