The Arrow Coax Livella Uno () is a German helicopter under development by Arrow Coax Ultra Light Helicopter of Hornhausen and introduced at the AERO Friedrichshafen airshow in 2015. The aircraft is intended to be supplied as a kit for amateur construction.Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 204. Flying Pages Europe SARL, 2015.
Design and development The Livella Uno was designed to comply with the US FAR 103 Ultralight Vehicles and the European 120 kg class ultralight aircraft rules. It features a dual coaxial main rotors, with an inverted V-tail, a single open-air pilot's seat without a windshield, tricycle landing gear and a Wankel Aixro XH40 engine.
The aircraft fuselage is made from tubing. Its two-bladed rotors have a diameter of . The aircraft has a typical empty weight of and a gross weight of , giving a useful load of .
The aircraft mounts a Galaxy Rescue System ballistic parachute in the rotor mast. It also has a small electric motor to power the rotor system from a battery in the event of an engine failure, allowing five minutes of power to land, since the low inertia rotor blades may not support autorotation.
Specifications (Livella Uno)
See also List of rotorcraft
References
External links Photo of the Livella Uno prototype