The other day while the sun washed across a fresh cut I noticed the sharp, self-feeding chain traced parallel lines into the log.
The distinct spacing between the lines is because the chain is razor-sharp and the depth gauges are filed right. The cutters are taking just the right amount of wood with each pass. Not too much bogging the saw down and making the chain ‘grabby’. Not too little causing the chain to ‘glide’ across the log without biting.
When I see freshly sawn logs I look at the lines to get an idea of how the chain is cutting.
The worst thing to see is a pattern that shows the saw endlessly rocked back and forth because of a dull chain.
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A dull chainsaw is a dangerous chainsaw.
Learn to file your chain. Keep learning. Keep practicing.