Forncett Industrial Steam Museum
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    • The Roall Engine
    • The Hopwas Beam Engine 'Spruce'
    • The Dover Engine
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Picture


The Sleaford Engine

This engine is a classic example of a tandem compound mill engine,
a design that was widely used in industry at the turn of the 20th century.

In a compound engine with a condenser, steam performed work in three stages.
High pressure steam from the boiler first worked on the piston in the smaller cylinder.
Rather than allowing the exhaust steam to go to the atmosphere,
it was piped to the second larger cylinder, where more work was performed.
Exhaust steam from this cylinder was led to the condenser, where a spray of cold water converted the steam to hot water.
This created a vacuum on the exhaust side of the piston thus extracting more work from the steam.

This particular engine spent its working life at the Bass Charrington Maltings at Sleaford.
It was one of a mirror pair of engines which ran the entire factory for alternate six month periods.

The thirteen-foot diameter flywheel is grooved for eight cotton ropes,
which transmitted the power of the engine to the line shafting running throughout the factory.
The sister engine is also preserved at the National Brewery Centre, Burton-on-Trent.

DONATED BY Bass Charrington Ltd., Sleaford Maltings, Lincolnshire.
TYPE Tandem Compound Horizontal Mill Engine. 200 HP.
BUILDER Robey & Co. Globe Works, Lincoln. 1904. Engine No. 23857.
CYLINDER HP. 14 inch. LP. 22.5 inch X 30 inch Stroke.
VALVES HP. expansion slide valve. LP. Simple slide valves.
GOVERNOR Richardson.
FLYWHEEL 13 foot diameter grooves for eight ropes. Cast in two halves. Weight 11 tons.
CONDENSER Jet type in line behind LP cylinder.
WORKING SPEED 70 rpm.
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  • Home
  • BE INVOLVED
  • Plan a Visit
  • Exhibits
    • Jessop and Appleby
    • Tower Bridge Engine
    • The Sleaford Engine
    • The Hick Hargreaves Engine
    • The Hunter and English Engine
    • The Roall Engine
    • The Hopwas Beam Engine 'Spruce'
    • The Dover Engine
    • Victorian Engineers' Workshop
    • Pulsometer Pump
    • Parsons Steam Turbine
    • Boiler House
  • Venue for hire
  • Contact us