| abstract |
The object of the invention is a primary engine mast (11) engine structure (9) characterized in that it comprises monobloc composite panels (1a, 2a, 3a, 4a) replacing metal spars. (1, 2) and metal panels (3, 4), said composite panels comprising a draping (12) fibers orienting the latter in cross directions so as to integrate into the skin thickness of the panels a replacement mesh longitudinal (13) and transverse stiffeners (14) of the longitudinal members and metal panels. |