A list of good reactor designs (IC² v1.103 and earlier) Zanidor Apr 22nd 2012 I made this one together with my room mate, using external cooling.it costs a lot to build but is Mk I-O, the best we could think of.Link Eu/tick: 110 Efficiency: 1,57 Cost: Iron 224, Copper 319 and Tin 152 Credits: Zanidor (and his roommate :D)