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The chain has to be properly matched to the guide bar and the saw. Chainsaw manufacturers specify a selection of suitable chains for each model of saw. Best safety requires that the chain is properly sharpened. One key sharpening parameter is the depth gauge setting. The depth gauge is the small steel protubera
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
Chainsaw engines are traditionally either a two-stroke single-cylinder gasoline (petrol) internal combustion engine (usually with a cylinder volume of 30 to 120 cm 3) or an electric motor driven by a battery or electric power cord. In a petrol chainsaw, fuel is generally supplied to the engine by a carburetor at the intake.
Stihl was founded in 1926 by Andreas Stihl, an innovator in early chainsaw production. Stihl says it is the world's best-selling brand of chainsaws and the only chainsaw manufacturer to make its own saw chains and guide bars. [4] Andreas Stihl AG is a privately held company owned by the descendants of Andreas Stihl.
Compared to other logging sports using an axe or manual saw, this event uses a motor-powered chainsaw. However, to stick to the traditional ethos, the chainsaw must be either completely homemade or self-modified in some way, within certain restrictions; one required modification is for the competitor to add a super engine.
A chain loop must be of an appropriate length in order to run safely. This is described by the number of drive links. This number is determined by the length and type of bar, the sprocket size and the overall configuration of the saw. For replacement purposes, simply count the drive links on the old chain.
Dislodging an opponent constitutes a fall. The cardinal rule of logrolling is 'never take your eyes off your opponent's feet'. The referee starts each match. Competing birlers step off a dock onto a floating log, grasping pike poles held by attendants for balance. As they push off from the dock, the referee instructs the birlers to steady the log.
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