Mekanism vs
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Mekanism wins with output output, cause u guaranteed 5x ore Rotarycraft starts to take the lead once you have stabilized ur fuel setup. I did find the initial setup a little complicated, but once setup its pure bliss to watch. RotaryCraft wins on Power, efficiency and a lot easier to setup. 2.
Comparison of ore processing systems : feedthebeast
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AE hand cranked grinder gives 2x, with no byproducts. But can be made before you smelt a single ingot; good for people who have a religious objection to ever processing ore at less than a 2x multiplier. If you want 2x ore processing with minimal fuss, Ender IO or Thermal Expansion are both excellent mods.