I made that without the hoppers, it works fine on .net and i used hoppers on .org and its even better
well I had to make an alternate monostable at the end that is very buggy, and the server lag really messes up the pistons where they wont double extend
You can't make autotree farms because of the lack of hoppers, however you can make a semiauto one, which still requires you to plant the saplings, but at least it pushes wood into a nice block. I can show you if you come online.