Learning to Fly: The Wright Brothers Adventure pdf - ER - NASA

2. Use the emery board to smooth the edges andsand off the pen lines. Make sure that the twohalves of the upper wing are flat where theywill be joined, as shown at the right.2.3. Using the templates as a guide, mark thelocations of the rib lines on the tops andbottoms of the wing and elevator sectionswith the ultrafine-tip black marker. Make twosets of marks, one on each edge. Connect themarks to make the rib lines. Make a rib templatefrom a manila folder to draw the rib lines (sothe end of the template can be bent to conformto the rounded shape of the Styrofoam).3.Learning to Fly: The Wright Brothers’ Adventure3.56EG–2002–12–007–GRC