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The aircraft has a standard empty weight of 70 kg (154 lb). It features two contra-rotating main rotors, a single-seat open cockpit without a windshield, four-wheeled landing gear and four twin-cylinder, air-cooled, two-stroke , 10 hp (7 kW) GEN 125-F engines to provide operational redundancy since the aircraft cannot autorotate in the event of ...
Free Bird Innovations, Inc. is an American aircraft manufacturer based in Detroit Lakes, Minnesota and formed in about 2003. The company specializes in the design and manufacture of ultralight aircraft in the form of plans and kits for amateur construction and ready-to-fly aircraft in the US FAR 103 Ultralight Vehicles category.
The aircraft has a very small wing for the US ultralight category with a wing area of only 95 sq ft (8.8 m 2) and a wingspan of 17.6 ft (5.4 m). The wing is equipped with flaps that give it a stall speed of 25 mph (40 km/h). The small wing gives the aircraft a high cruise speed and better resistance to turbulence than a lighter-loaded wing.
The speed wing restricts the aircraft's useful load to 170 lb (77 kg), while the standard wing allows 250 lb (113 kg). [1] [5] The standard engine is the 40 hp (30 kW) Rotax 447, although engines of 28 to 52 hp (21 to 39 kW) can be used. The manufacturer estimates that a builder will take 100–120 hours to complete this aircraft from the kit.
The Rotorfly R-30 helicopter is a coaxial helicopter with two two-blade fiberglass rotors. The control rods of the upper main rotor are located inside the shaft which reduces turbulence, It has been described as a hingeless teetering blade mount. [2] The aircraft claimed to be very quiet in general. [5]
Single seat coaxial heli [4] Rudimentary Coax Copter China Single seat coaxial heli [5] Circus Performer's China Single seat coaxial heli [6] Yellow CoAx Heli China Single seat coaxial heli [7] Ultrasport 254 United States First ultralight Curti Zefhir: Italy DF Helicopters DF334: Italy SKT Helicopters/ DKT07 Swiss / Italy / Belgium [8] Micron ...
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 40 hp (30 kW) Wankel Aixro XH40 engine.
The Cicaré CH-7 and Heli-Sport CH7 are a series of ultralight, kit-built helicopters based on a single-seat Argentinian design from the late 1980s. It was later developed into a tandem two-seater, and remains in production.