User blog comment:Bigbuddy2932/Reactor set ups?/@comment-76.224.238.54-20130113173613

try a system  that the uranium moves in and out like this: u

u

u

u

then suround the uranium with coolent cells. the 's' system should be on oposit sides of the reactor and not at the very end. leave atleast a 2 coolent cell mideum between 's' systems.