FLYIN High in you instruction manual there should be a factory cg recommended.. top wings are done from the leading edge back from my experience, if you go to the top of the page once you find your cg ...go to magazines then how to's it should have what your looking for. also make it a point to have you instructor check it before you fly it

click here http://www.rcuniverse.com/magazine/a...?article_id=84