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A skyline yarder can pull in 5 to 10 logs at a time, using separate chokers. The pulleys are mounted on towers or cranes, other trees, ridges, or, in rare cases, helium balloons. Satellite photograph of industrial-scale skyline logging in the Tierras Bajas project in eastern Bolivia, showing deforestation and its later associated replacement by ...
Each crane has a span of 140 metres (459 ft) and can lift loads of up to 840 tonnes to a height of 70 metres (230 ft). Their combined lifting capacity of almost 1,700 tonnes is one of the largest in the world. Prior to commissioning, the cranes were tested up to 1,000 tonnes, which bent the gantry downwards by over 30 centimetres (12 in).
The James Watt Dock crane has been part of Greenock's skyline since 1917 [BBC] Urgent repairs have been ordered on a giant Clydeside crane after fears the 107-year-old structure could be crumbling.
An important facility at the Fore River Shipyard was the Goliath crane, at one point the second largest shipbuilding crane in the world. Constructed in 1975 for building LNG tankers, the crane was a prominent part of the harbor skyline for over thirty years.
Belfast's skyline is still dominated today by Harland & Wolff's famous twin gantry cranes, Samson and Goliath, built in 1974 and 1969 respectively. In late 2007, the 'Goliath' gantry crane was re-commissioned, having been moth-balled in 2003 due to the lack of heavy-lifting work at the yard.
For context, in July 2022, there were 45 cranes in Nashville. Since 2000, Nashville has seen two urban construction booms — one prior to the Great Recession of 2008 and the other from 2015 to 2023 — that have yielded multiple high-rises. Of the city's 38 completed towers of 300 feet or taller, as of November 2024, 26 have opened since 2015.
Cable logging, also referred to as skyline logging, is a logging method primarily used on the West Coast of North America with yarder, loaders, and grapple yarders, but also in Europe (Austria, Switzerland, Czech Republic, France, Italy). The cables can be rigged in several configurations. There are two classes;
Originally a Sikorsky Aircraft product, the type certificate and manufacturing rights were purchased from them by Erickson Air-Crane in 1992. Since that time, Erickson Air-Crane has become the manufacturer and world's largest operator of S-64 Aircranes and has made over 1,350 changes to the airframe, instrumentation, and payload capabilities of the helicopter.