Scottish Canal Engineering  (PowerPoint File)
The only rotational boat transporter in the world


At the beginning there were two canals:
1. The Forth and Clyde Canal was built in 1777 between harbors Grangemouth and
Falkirk, connecting Glasgow with the west coast of Scotland;
2. Union Canal, between Falkirk and Edinburgh, was finished in 1822.




Because of geographical difficulties, which created a difference of 79ft. in elevation,
the two canals were connected by 11 locks by a huge water carousel -
started in 1963 and finished in 2002.




This rotational boat transporter has two arms, and each arm forms a kind of huge tub
filled with water. Boats enter the tub, then the tub locks up and the huge arm starts rotating…

(click on the thumbnail images below to expand to full size)






Closing of the gate, regulation of level of water, and “tubs” rotation takes only 15 minutes.
The “tubs” are filled according the Archimedes’ Law, so the weight of the “tubs” are balanced.
An engine of 22.5 kW is required to open the upper and lower lock and turn the whole system
by 180°, which uses only 1.5 kWh.

see also   Engineering  Section
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22-Jul-2019