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