I am working on the center section of my rc airplanes wing. As you can see here I am test fitting the wing ribs to the spar and spar web. Test fitting the ribs to the spar will ensure that it all goes together properly before you glue it together.
This is my first made homemade rc plane - scratch build rc airplane with foam and cardboard, homemade rc airplane with brushless motor, home build rc plane, radio controlled airplane R/C aircraft...