A few caveats from the outset. If you want to use a chainsaw to ‘mill’ fallen timber, you need several things. First, a chainsaw that is not just powerful enough to drive a long guide bar with a ripping chain but with the stamina to cope with the tough job of slicing through the timber you want to mill. We borrowed a Stihl MS500i for our job and although it absolutely ‘bossed’ the 42in guide bar through our ash trunk, an even more powerful saw is recommended to mill with such a long guide bar as Stihl recommends a maximum guide bar length of 36in for the MS500i.
Next you need to