Rotating Boat Wheel In Scotland Has Potential
...Falkirk boat wheel in Scotland is the world's first and connects the Forth and Clyde Canal with the Union Canal. "With a diameter of 35-meters, it boasts two axe-shaped arms and water-filled caissons boasting an 80,000-gallon capacity, capable of lifting 600-tons (combined)." The thing cost almost $35 million to build, but only needs 22.5kW...
