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The key distinguishing feature of a narrowboat is its width, which must be less than 7 feet (2.13 m) to navigate British narrow canals. Some old boats are very close to this limit (often built 7 feet 1 + 1 ⁄ 2 inches or 2.17 metres or slightly wider), and can have trouble using certain narrow locks whose width has been reduced over time because of subsidence.
Great Canal Journeys is a British television series in which a pair of presenters take canal barge and narrowboat trips in the United Kingdom, Europe, [1] [2] India and Egypt. The series was originally aired on More4 before transferring to Channel 4 with Series 2.
Many boatmen (and their families) spent significant time on narrowboats and barges, and the artwork became a source of pride as well as individuality. [1] One theory suggests that the amount of time families spent on the canals meant they were undereducated and became ostracised from society, and so the artwork became their "proud statement of separateness, self esteem, and a traditional way ...
The last regular long distance narrowboat commercial contract, transporting coal from Atherstone to the Kearley and Tonge jam factory at Southall in west London, ended in 1971. Lime juice continued to be carried between Brentford and Boxmoor until 1981. Substantial tonnages of aggregates were carried by narrowboat on the Grand Union Canal until ...
The Canal and River Trust (CRT [3]) gives no precise definition of a "widebeam", merely distinguishing it from other types of canal craft such as: narrowboats, Thames sailing barges, Dutch barges, other barge types, GRP cabin cruisers, and wooden boats. [2] Nevertheless, the salient features of a modern widebeam are:
Tunnel Canal Length Designer Coordinates Notes Image Ashford Tunnel: Monmouthshire and Brecon Canal: 375 yards (343 m) [1] Thomas Dadford Brecknockshire/Powys Tunnel narrows considerably between northern and southern portals due to repairs to its fabric but is nevertheless navigable by a narrowboat with relative ease.
The aqueduct is a form of swing bridge. When closed, it allows canal traffic to pass along the Bridgewater Canal. When large vessels need to pass along the ship canal underneath, the 1,450-tonne (1,430-long-ton; 1,600-short-ton) [3] and 330-foot (100 m) long iron trough [5] is rotated 90 degrees on a pivot mounted on a small purpose-built island.
Out-of-use cast-iron Longdon-on-Tern Aqueduct. Benjamin Outram's 44 ft long (13 m) single-span Holmes Aqueduct on the Derby Canal in Derby was the world's first navigable cast iron aqueduct, narrowly pre-dating Thomas Telford's 186 ft long (57 m) Longdon-on-Tern Aqueduct on the Shrewsbury Canal, sometimes described as the world's first large-scale navigable cast iron aqueduct.