Posted on March 18, 2018 by dion — Leave a commentZamten – Flying wing with a quad chassis Prototype from fibre glass panel either side. Joiner tubes –> Tapped some 6.2mm alloy tube with an M5 thread. Joined with M5 (thread length 17mm). Carved wing quickly with 50mm thick EPS foam (12kg/m^3) using 60 grit sand paper.