Manzolini Libellula
![]() Proposed final version
The Libellula was the brainchild of Count Ettore Manzolini. With an open framework fuselage and fixed skid undercarriage, Manzolini devised a coaxial rotor system for the Libellula and flew his ‘stripped’ prototype on 7 January 1952.
A mock-up of a proposed final version was prepared.
Engine: Hirth 105 hp
Rotors: 2 x 2-blade co-axial
Rotor diameter: 26 ft
Loaded weight: 1,430 lb
Cruising speed: 65 mph
Seats: 1
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