Multifunction spar especially for ultra light aircraft

摘要

The invention relates to wing spars for ultra light aircraft. It comprises a box section 1 whose sole is extended by a tubular section with the required aerodynamic curves 2. Scores (guide slots) 3 and 4 are integrated into it. They immobilise the wing 9 by means of a tube 10 clamped in a fold. <IMAGE>