[flowering elbow] there is a large ash log that needs grinding. He has his chainsaw and shares a good technology that is easier to cut. Cut down a tree, let it dry for a season, and then drag it to the place where you saw it, and you can start cutting it. However, cutting a huge tree with an electric saw is a difficult task. Some hackers make it better, like tilting your logs slightly downhill, making the chainsaw flow downhill or using jigs to keep the cuts straight. Some people use the winch system to drag the fixture to assist, so this is not just pure manpower. The problem is that if the saw touches a knot or challenging part, the winch will exert more force. So you should slow down and let the saw pass through this area.
[flowering elbow] use pulleys and things cut from logs to hang it on trees. The log descends as the cutting proceeds and a constant force is applied. This means that the saw blade can slow down on challenging roads and spend the required time to prolong the service life of the saw blade. There are other good skills in the video, plus his early chain saw grinder fixture, you can use a chain saw and some originality to grind logs.
Video after break.