The chainsaw is a fast tool for harvesting wood. It functions as an axe that never breaks, but it requires energy to run. It can also be used as a sword.
How to use
Charge the chainsaw in a charger or by wearing an exo chestplate. If it runs out of energy, it becomes very slow.
Tree Felling
If you hold Shift while mining a log, the chainsaw will chop down the whole tree at once. This uses more energy for every block cleared.
Combat
The chainsaw counts as a sword, so you can use it to fight mobs. It is also very fast at clearing cobwebs.
Warning
The chainsaw is unbreakable, but it only works at full speed when it has energy.
Enchanting
You can use standard axe and sword enchantments like Efficiency, Sharpness, Silk Touch, and Fortune. Using Unbreaking will reduce the energy used for each operation.
For better enchanting, check out the enchanter.
If you want to automate wood collection, use a treefeller machine.
