A couple days ago I was out flying my 1.08 BX-1 and started with a 17 x6 and 15%.

Next I went to a 16 x6 and had to lean it out about a 1/4 turn (from 2 3/4 to 2 &1/2 turns).

Then I went to 5% (ran out of 15%) and had to lean it out another 1/2 a turn (now 2 turns out)

next I went to a Wood 16 x5 and had to lean it out another 1/2 turn! (now only 1-1/2 turns out) At this point I ran a couple flights on the way rich side because I was afraid that somehow it would go lean on me again. At 1-1/2 turns out it was still on the rich side.

Now there is a perry vp20 oscillating pump on this thing, so maybe changing props is going to have a lot of bearing on how hard this pump works because of the change in vibration?