Ok... what did i do wrong? Followed the instructions... 4 tiers, bottom tier fully filled, 2nd tier has the blast furnance in a ring formation... 3rd and 4th tier in a ring formation... not working... and grrrrrrrrrrr!!!
nvm, appears to be working... just very... very... very... slowly, and didn't do a "cover change" when the last piece connected like i've seen on tutorials. *shrugs* oh well, at least it's doing what it's supposed to