This is Cool! Its a solution to a canal problem in Scotland. The connector between these canals was a series of locks that had to rise 80ft because of the difference in elevation between the canals. Originally this took a series of eleven locks. This innovation only takes the space of one lock. It reminds me of an enormous two-car "ferris wheel". Essentially, it is two gondolas that fill with canal water and are mounted at opposite ends of the "wheel". The boat enters and the wheel turns bringing the lower gondola with boat up and the upper godola down. Because water finds its own level the boats ride smooth and stay upright - This engineer must have been a real amusement park fan!!

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