Translations:KAVAN Vinx free flight glider 600mm kit - Instruction manual/47/en
38. Sand the bottom side of the wing smooth. Sand only in the direction indicated on the Fig. 38; don’t push down too much to prevent damage to the ribs. The sanding will be quite easy if you glue a wide strip of No. 120 sand paper to a large wooden plate as shown on the Fig. 38.