Aer Lualdi L.57 (original) (raw)

The Aer Lualdi L.57 was a prototype Italian helicopter, a further refinement of Lualdi's ES 53 and L.55 designs. The aircraft featured a larger main rotor than its predecessors, a fibreglass tail rotor, and an autopilot. * v * t * e * v * t * e * v * t * e