Need help building a lock

  • Just_Michel
    18th Mar 2012 Member 0 Permalink
    In my flamethrower, the fire keeps getting inside..... how do i lock the fire out, but not the gas?
  • code1949
    18th Mar 2012 Member 0 Permalink
    @Just_Michel (View Post)
    Build a one-way passage. You place PRTI and PRTO next to each other, things can go into the PRTI and out the PRTO but not vice-versa.