Forest engineering & harvesting

Forest engineering & harvesting

Forest operations related to engineering and timber harvesting.

Industry: Forest products

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Forest engineering & harvesting

tree shoe

Forest products; Forest engineering & harvesting

Device in the shape of a segment of a circle used to support the skyline from a spar tree.

tree-length logging

Forest products; Forest engineering & harvesting

1. Felling and transporting the trimmed bole in one piece, whenever possible, for crosscutting at a landing or mill. 2. Unbucked, limbed, and topped trees.

trim allowance

Forest products; Forest engineering & harvesting

Extra length allowed when bucking logs or estimating volume to account for loss from end injuries or uneven cuts.

triple drum

Forest products; Forest engineering & harvesting

Three-drum yarder.

trolley

Forest products; Forest engineering & harvesting

Traveling block used in a skyline.

turbocharger

Forest products; Forest engineering & harvesting

Air pump designed to put more air into engine cylinders; pump is driven by the exhaust heat.

turn

Forest products; Forest engineering & harvesting

1. Logs yarded in any one trip. 2. Load of logs brought in by a skidding unit during a single trip. 3. Logs brought to the landing in one yarding or skidding cycle.