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Engine Type
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Beam Type. Low Pressure, Double acting rotative and Condensing House Engine.
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Built by
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James Watt & Co. Birmingham and London, 1884.
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Costs
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£ 5,525 for each beam engine, including installation,
Total cost of the whole pumping station site was £ 55,000
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Steam Pressure
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When Pumping 50 lbs. per sq. in.
Now about 25 lbs. per sq. in.
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Power Generated
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Approx. 140 hp at 11 1/2 rpm
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Cylinder Bore
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46"
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Stroke
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7 1/2 ft.
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Crank
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3 1/4 ft. Throw
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Flywheel
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20 ft. Diameter. Weight 24 tons.
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Beam
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25 ft Long. Weight 13 tons.
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Valve Gear
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Double Beat Cornish type, housed in upper and lower Steam Chests and driven by a single Cam Shaft.
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Governing System
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Watt's Centrifugal Governor acting on Main Steam Valve via Rod Linkage.
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Condensing System
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Watt's Patent Separate Condenser with spray injection. Fed and cooled with water from the Cooling Pond.
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Rod Linkage
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Watt's Patent 'Three Link Parallel Motion' applied to all Rods except the Connecting Rod and Boiler Feed Pump Rod.
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Boiler Type
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6 - Hand Fired Horizontal Galloway Boiler. ( Lancashire variant ).
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Method of Working
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Three Boilers operational when pumping.
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Boiler Size
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7' 2" dia. x 28' 7" long. 3,200 gallons of water.
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Steaming Capacity
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Approx. 8,000 lbs. per hour.
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Coal Consumption
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About 5 1/4 tons per day, when pumping.
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Daily Pumping Capacity
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1,500,000 Gallons per engine per day
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Cooling Pond Capacity
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1,250,000 Gallons
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