Originally Posted by
ProfLooney
the best I can make out for the wing washout is root rib has 2 deg pos incidence and the tip rib has 3 deg neg incidence which puts the tip at -1 incidence hmm
For a grand total of 5 degrees of wash out which is a HUGE amount and, IMHO, will probably be very noticeable. I generally use somewhere around 1.5-2 degrees and I don't think I would ever use more than 3 degrees in an extreme case. Just my .02 cents of course.