Next Question, My leading edge has sets of 3 triangle set holes all along the top. Presume these are for the VGs. Savannah send me a set of VGs that have 2 lugs hope same hole spacing as holes in my wing, need to check tomorrow. Does any one have the page in there build manuel that shows the orientation of the VGs. please email to me or send photo even of the VGs on the wing my help. Thanks svemmanuel@live.com.au