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Victoria and Alexandra form a twin-tandem compound engine.
Together, they can deliver 3000 horsepower – enough to run twenty thousand 100W light bulbs!
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The low-pressure cylinders have piston slide valves.
Condenser water is taken from the nearby river Beal.
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Photo courtesy of Jeff Mills
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The flywheel (centre, edge-on in the photograph) is 28 feet in diameter and weighs over 80 tons! To regulate the speed, a Whitehead
governor controls steam input through Craig’s cut-off gear to
Corliss valves in the high-pressure cylinders.
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From grooves in the flywheel surface, a rope race (44 ropes) transferred power to the mill machinery
(via line-shafts on the five floors of the mill) and to a pair of
alternators (to make electricity for lighting).
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