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.
Taking an off the shelf free flight glider and turning it into an RC motorized airplane, using micro brushed motors to power its flight, a very fun and simple project to make