Ads
related to: tree rigging supplies wholesale
Search results
Results from the WOW.Com Content Network
Also if the trees are being partially lifted as they are transported it is less disruptive to the ground which can be an environmental issue. High lead is a popular method of logging on the West Coast of America. First used in 1904, with Lidgerwood winches, and a spar tree.
A swing yarder is a mobile piece of heavy duty forestry equipment used for pulling logs from the woods to a logging road with cables. The swing yarder is also known as a grapple yarder. In any logging operation, it is necessary to transport the harvested tree from the stump to a landing for transport to market (usually on a truck). If the ...
For safe single-rope technique, especially on drops with complex rigging with intermediate belays, it is essential that the abseiling device can be removed from the rope without being unclipped from the harness. This is a problem with the simplest device, the single piece figure eight. These also twist the rope, which is a problem if there is a ...
Logging is the beginning of a supply chain that provides raw material for many products societies worldwide use for housing, construction, energy, and consumer paper products. Logging systems are also used to manage forests , reduce the risk of wildfires , and restore ecosystem functions, [ 2 ] though their efficiency for these purposes has ...
Spar tree at a logging camp in the United States, 1924. A spar tree is the tree used as the highest anchor point in a high lead cable logging setup. The spar tree is selected based on height, location and especially strength and lack of rot in order to withstand the weight and pressure required.
The high climber (also known as a tree topper) established a spar tree so logs could be skidded into the landing. Using tree climbing gaffs and rope to ascend a tall tree in the landing area of the logging site, he would chop off limbs as he climbed, chop off the top of the tree, then attach pulleys and rigging to the tree for the yarder.
Ads
related to: tree rigging supplies wholesale