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Stretham Old Engine,
alongside the River Great Ouse

Stretham Old Engine is a steam-powered engine just south of Stretham in Cambridgeshire, England, that was used to pump water from flood-affected areas of The Fens back into the River Great Ouse. It is one of only three surviving drainage engines in East Anglia.

During the seventeenth century, large areas of fenland in East Anglia were reclaimed via extensive draining schemes. Despite this, crops and livestock were frequently swept away by widescale flooding as the land sank because of the drainage. As a partial solution, windmills were used to pump water away from flood-affected areas, but relied on the weather and lacked the power required to lift large quantities of water.

The advent of steam power in the late 18th century offered a new solution, and these new engines began to spring up around The Fens.

The steam engine on the Old West River (Great Ouse) just south of Stretham was built by the Derbyshire firm, Butterleys, in 1831, costing £4950. It replaced four nearby windmills and its scoop wheel was used successfully for over a century to lift water from flood channels back into the river. Powered by coal that was brought by barge, it consumed a ton of fuel every four hours.

The rotative beam engine is of the double-acting type with a beam of 24 feet 8 inches (7.52 m) and a flywheel 24 feet (7.3 m) in diameter. The scoop wheel it drives has been successively enlarged as the level of the fens has shrunk: the first wheel was 29 feet (8.8 m), increased to 33 feet (10 m) in 1850 and to 37 feet 2 inches (11.33 m) in 1896 and lifted 120-150 tons of water per minute.

During use, the engine needed constant supervision, with the stoker and superintendent on 24-hour call. One superintendent even installed a telescope in his window so he could supervise the workmen without the need to get his feet wet!

In 1924, the installation of a diesel engine saw the steam engine relegated to 'standby', and the last serious use was during the floods of 1939 and 1940. The pumping station was later replaced with 5 smaller, more efficient, electrical pumps that drain into the River Cam and are still in use.

The engine is open to the public in the afternoon of the second Sunday of each month.

Contents

Steam engine

Interior views
Main cylinder head (foreground); valve cylinder (background); machine hall and flywheel  
The beam in the beam room. The beam room also acts as a museum.  
Boiler room  
Scoop wheel of the Stretham Old Engine, Cambridgeshire  

External links

See also

References

  • The Steam Pumping Station at Stretham, Cambridgeshire by EJA Kenny and R L Hills, Transactions of the Newcomen Society, 1963-4 Vol 236.

Coordinates: 52°20′03″N 0°13′28″E / 52.3342°N 0.2245°E / 52.3342; 0.2245

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