A list of good reactor designs (IC² v1.103 and earlier) Zanidor April 22, 2012 at 6:16 PM 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)