SP1876 : Lock flight near Knowle, Solihull

taken 7 years ago, near to Knowle, Solihull, Great Britain

Lock flight near Knowle, Solihull
Lock flight near Knowle, Solihull
The 1930s replacement wide lock flight on the left was constructed about fifteen metres east of the original narrow locks, leaving a wide canal section (pound) between each of the new locks, and clear water between the new lock and the towpath (on the right in this image). Remains of the original middle lock are by the towpath on the right.
Knowle Locks on the Grand Union Canal :: SP1976
There are five wide locks in the flight at Knowle on the Grand Union Canal. They provide a total rise of 41ft 10in (1275 metres).
Originally there were six narrow locks here. During the extensive upgrading of the Grand Union Canal in the early 1930s these were replaced by the five wide locks in which pairs of boats could navigate together, side by side. Remnants of the original structures can still be seen to the east of several of the current locks.
Side ponds were installed alongside each lock in order to optimise efficiency in the use of water. Pairs of ground paddles can still be seen by each lock, though the sideponds are no longer in use.

The locks are numbered 47 to 51 starting from the bottom of the flight.
The Grand Union Canal
The Grand Union Canal was formed from an amalgamation of several formerly separate canals. Until the 1920s these had been independently owned and operated. The original part of the system was the Grand Junction Canal between Braunston and Brentford, constructed to reduce the route from the Midlands to London by sixty miles. This had locks fourteen feet wide, many branches to major towns and broad beam boats carrying up to seventy tons. Earlier linking canals were built with seven foot wide locks.

The Regent's Canal acquired the Grand Junction and other canals in 1929 and created the new Grand Union Canal Carrying Company (GUCCC). In 1932, with government aid, extensive modernisation was carried out, including the widening of 52 locks between Braunston and Birmingham (Camp Hill), and the demolition and replacement of many 18th and early 19th century bridges; then the money ran out - and the World War II started, so the task was never completed.

Waterways absorbed into the Grand Union Canal Carrying Company include:

London area:

Regent's Canal original company
Hertford Union Canal bought by the Regent's Canal in 1857

Main Line*:

Warwick and Napton Canal bought by the Regent's Canal in 1927
Warwick and Birmingham Canal bought by the Regent's Canal in 1927
Birmingham and Warwick Junction Canal bought by the Regent's Canal in 1927
Grand Junction Canal bought by the Regent's Canal in 1927

Leicester Line:

Old Grand Union Canal bought by the Grand Junction in 1894
Leicestershire and Northamptonshire Union Canal bought by the Grand Junction in 1894
Leicester Navigation bought by the Grand Union in 1932
Loughborough Navigation bought by the Grand Union in 1932
Erewash Canal bought by the Grand Union in 1932

*The current main line starts in London and ends in Birmingham (Digbeth), stretching for 137 miles (220 km) with 166 locks.

For more details, a good start is: LinkExternal link
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SP1876, 194 images   (more nearby )
Photographer
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Date Taken
Wednesday, 22 August, 2012   (more nearby)
Submitted
Thursday, 27 June, 2019
Geographical Context
Canals 
Subject Location
OSGB36: geotagged! SP 1897 7619 [10m precision]
WGS84: 52:23.0050N 1:43.3631W
Camera Location
OSGB36: geotagged! SP 1898 7616
View Direction
North-northwest (about 337 degrees)
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Other Tags
Lock  Flight of Locks  Wide Lock 

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