Bucket-Wheel Excavator 'Blue Wonder', Germany - Obsidian ...
2020-11-16u2002·u2002The 'Blue Wonder' was built in central Germany in the mid-1960s, and for fifty years it tirelessly ripped through the countryside in search of coal. The machine has 10 buckets, each able to hold 1.5m 3 of earth and rock (approx. 10 bath tubs). The bucket-wheel excavator would chew through 3.7m of rock per second, as it relentlessly moved ...
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