Talk:Red Power 2 - Pneumatic Tube Tutorial/@comment-5353143-20120930001940/@comment-95.149.27.159-20121110001306

If your making a HS setup producing refined iron AFAP, try pulling out 63 items per timer tick, thereby there will always be one left in the output slot to prevent it from being clogged.

You do need one for each ore type though :/