not glue yet , make sure for straightness .
if all seems ok then pin down the main former and start glueing the ribs with thin ca one by one to the
bottom sheeting, note roll the ribs over the sheeting and apply ca
Place trailing edge to the end of the ribs to the bottom sheeting.
Place sub leading edge to the bottom sheeting and to the ribs.
Do this the same for the other side of the wing., sand the sub leading edge to the ribs .
Make the mid sheeting from the supplied balsa , important is that the mid piece is straight so support