The Little Book of Civilisation - Institution of Civil Engineers
The Little Book of Civilisation - Institution of Civil Engineers
The Little Book of Civilisation - Institution of Civil Engineers
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uild higher, longer, better<br />
Key facts<br />
<strong>The</strong> wheel takes about 15 minutes to rotate. It used to<br />
take 8 hours to go from one level to another.<br />
<strong>The</strong> two gondolas can carry four boats 20m long.<br />
It can lift boats and 600 tonnes <strong>of</strong> water,<br />
equivalent to 100 African elephants, over 35m<br />
in under four minutes.<br />
It is powered by 10 hydraulic motors using less energy<br />
than 2 boiling kettles.
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