
A 5,075-word engineering case study tracing every design decision in the Falkirk Wheel (2002) back to the Archimedes balancing principle. Covers: the Millennium Commission brief and why rebuilding the 11-lock Falkirk Flight was rejected; the three-week RMJM/Arup concept sprint and Lego-brick demonstration; the epicyclic planetary gear train that keeps gondolas horizontal; the six-step docking sequence with subsea-pipeline hydraulic coupling; the 14,000-bolt bolted-not-welded structural choice for 120-year fatigue life; Butterley Engineering pre-assembly in Derbyshire and 35-lorry transport; the Rough Castle Tunnel modified road-planer technique; and the current infrastructure middle age — £2.7M 2023/24 refurbishment and Falkirk Flight lock gate replacement (August 2026 reopening).


en.wikipedia.org
practical.engineering
ice.org.uk
d1hxd0sho1wxko.cloudfront.net
falkirk.gov.uk
d1hxd0sho1wxko.cloudfront.net
scottishcanals.co.uk
scottishcanals.co.uk
scottishcanals.co.uk
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| Wheel diameter | 35 m (115 ft) |
| Lift height (wheel only) | 24 m (79 ft) |
| Total canal-to-canal rise | 35 m (115 ft) |
| Energy per half-turn | 1.5 kWh |
| Half-turn duration | ~5 minutes |
| Structural steel | 1,200 tonnes |
| Bolted connections | 14,000+ bolts / 45,000 holes |
| Design life | 120 years |
| Water per caisson | 250,000 litres |
| Drive motors | 10 hydraulic, 22.5 kW total |