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A crew of log buckers with crosscut saws in 1914. [1] Bucker limbing dead branch stubs with a chainsaw, also known as knot bumping Bucker making a bucking cut with a chainsaw Bucking, splitting and stacking logs for firewood in Kõrvemaa, Estonia (October 2022) Bucking is the process of cutting a felled and delimbed tree into logs. [2]
A firewood processor is a machine designed to cut and split firewood with minimal manual handling of the logs. There are typically four main parts of the machine, each dedicated to a separate function. Processing begins with a log pile – a pile of logs that have been de-limbed and cut to an appropriate length, generally 12–20 feet (3.7–6. ...
The length of the bar decides the maximum width of the plank that can be cut, up to 34 inches (86 cm), so for logs with a large diameter, the longer bar is necessary. Also, to waste less wood due to the kerf width, a special chain is designed to make rip cuts rather than the usual chainsaw chain which is for cross-cutting. [6]
Logs are typically cut into appropriate lengths using a chainsaw, then the "ringers" or cuts are split with an axe into cubes which are small enough to handle, usually 45 to 204 kilograms (100 to 450 lb), then stacked on a rope. The rope is looped around the stacked wood, and the ends passed through an eye spliced in the end.
The log's kerf movement while cutting can help to indicate binds. Additional equipment (lifts, bars, wedges, and winches) and special cutting techniques can help prevent binds. Binds – This is when the chainsaw is at risk or is stuck in the log compression. A log bound chainsaw is unsafe and must be carefully removed to prevent equipment damage.
STIHL Stock Saw - Competitors begin with both hands on the log. When the signal is given, the sawyers, using identical STIHL professional MS661 C-M chain saws with a 20-inch bar and 33RSC3 chain, make two cuts through identical logs. No more than 4" of wood, which is marked by a black line, can be cut. Underhand chop
Underbucking is called that because a sawyer will cut the suspended log from the underside of the log, upwards. Cutting from the top of a suspended log will cause the log to bind on the saw blade as the log sags at the cutting point. Cutting from below will cause the cut to widen as the log sags, avoiding binding on the saw blade.
The competitor must cut no more than 6" from the log, which is marked with a black line. They will also be disqualified if their cookies are not whole. [ 2 ] Competitors are also allowed to have a helper, who performs two roles: getting the saw started in the warm-up beforehand, which is a minute, and also cool the saw down.