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A dragline excavator is a heavy-duty excavator used in civil engineering and surface mining. It was invented in 1904, and presented an immediate challenge to the steam shovel and its diesel and electric powered descendant, the power shovel .
The Ursa Major was one of five large walking draglines operated at Black Thunder, with the next two largest in the dragline fleet being Thor, a B-E 1570W - which has a 97.5-metre (320 ft) boom and a 69-cubic-metre (2,400 cu ft) bucket - and Walking Stick, a B-E 1300W with a 92-metre (302 ft) boom and a 34-cubic-metre (1,200 cu ft) bucket. [1]
Oddball (dragline excavator) S. Sundew (dragline) U. Ursa Major (excavator) This page was last edited on 5 October 2021, at 00:41 (UTC). Text is available under the ...
5 Sundew was a large electrically powered dragline excavator used in mining operations in Rutland and Northamptonshire in the United Kingdom . It was the lead ship of a series of four Type W1400-series dragline excavators.
Bucyrus-Erie 1150RB walking dragline preserved at St Aidan's opencast coal mine, Yorkshire, England A 200-B power shovel, and a Class 24 on display at the Reynolds-Alberta Museum. 4250-W walking dragline, also known as Big Muskie, was built in 1969, with a 220-cubic-yard (170 m 3) bucket and weighed 13,000 metric
Menzi Muck A91 with a grapple Kaiser SX of the Austrian Bundesheer. The term walking excavator may apply to two different forms of heavy equipment, the historic walking power shovel or dragline excavator that began to appear already early in the 20th century, or the contemporary version of all-terrain excavator popularly known as a spider excavator.
From 1985 onwards, all new machines carried the 'RB' name instead of 'Ruston-Bucyrus', and in 1987, a new mechanical/hydraulic powered 51–60 model developed from the 38-RB was offered for use as a crane or dragline excavator [1] In 1990, RB bought from its rival Priestman, the design and manufacturing rights to Priestman's Variable ...
Grand Theft Auto Online launched on 1 October 2013, two weeks after Grand Theft Auto V 's release. [84] Many players reported connection difficulties and game freezes during load screens. [ 85 ] [ 86 ] Rockstar released a technical patch on 5 October in an effort to resolve the issues, [ 87 ] but problems persisted the second week as some ...