Last week I encountered the same problem like oneaew. It happened right after second flight when I tweaked both LSN and HSN. Hadn't I done that, I would not have encountered the problem and the dead stick up in the air.

Since I'm going outta town for 9 days, and once I'd get back, I'd have my prop, get it balanced and as I had been advised by many of you, that I'd close all the way to stop both LSN and HSN, then I'd open it up 1/8 in my understand one full turn and then 80% of the turn if I'm right, as per instructions in the manual, since I started off directly from Klotz synthetic oil and motor is still in the break in process so it's taking longer than usual to get it settled down.

I'd keep y'all posted and it's good a lot of new information is coming up[8D]

Mody