I'm not a pattern guy. Hopefully that changes over the winter. So... I've been reading quite a bit. One of the trimming guides talks about 1/2 degree positive wing incidence, 1/2 degree down on the motor and then adjust the stab to remove any trim when you get close. I think he also talked about having the balance point at around the 25% mark. It's a long read and may be an even longer time to get the trim right it appears to be the right way to do it. Here is the link...
http://images.rcuniverse.com/forum/u...18/Om32351.pdf
Ken