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  2. List of ultralight helicopters - Wikipedia

    en.wikipedia.org/wiki/List_of_ultralight_helicopters

    Agricultural coaxial heli China [21] Red Coaxial Helicopter China Coaxial Single Seater [22] White Coaxial Chopper China Coaxial Single Seater [23] Homebuilt Coaxial Heli China Coaxial Single Seater [24] Yellow tail coaxial heli China [25] Famà Kiss 209: Italy Sk-1 Twinpower Italy [26] G-250 Eagle: Italy Engine Turbine LCA LH 212 Delta: Italy ...

  3. GEN H-4 - Wikipedia

    en.wikipedia.org/wiki/GEN_H-4

    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 ...

  4. Coaxial-rotor aircraft - Wikipedia

    en.wikipedia.org/wiki/Coaxial-rotor_aircraft

    A coaxial-rotor aircraft is an aircraft whose rotors are mounted one above the other on concentric shafts, with the same axis of rotation, but turning in opposite directions (contra-rotating). This rotor configuration is a feature of helicopters produced by the Russian Kamov helicopter design bureau .

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  6. Rotorfly R-30 - Wikipedia

    en.wikipedia.org/wiki/Rotorfly_R-30

    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]

  7. EDM Aerotec CoAX 2D/2R - Wikipedia

    en.wikipedia.org/wiki/EDM_Aerotec_CoAX_2D/2R

    The CoAX 2D/2R was originally known as the FLIP 2 (Fly In Perfection) and is a derivative of the FLIP 1, a conventional helicopter with a main and tail rotor.[1]The CoAX 2D/2R was designed to comply with the European Class 6 microlight helicopter rules, including the category's maximum takeoff weight of 450 kg (992 lb).

  8. Arrow Coax Livella Uno - Wikipedia

    en.wikipedia.org/wiki/Arrow_Coax_Livella_Uno

    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. [1] The aircraft ...

  9. Rotorschmiede VA115 - Wikipedia

    en.wikipedia.org/wiki/Rotorschmiede_VA115

    The VA115 features dual, coaxial main rotors with NACA 23012 airfoils, a single-seat open cockpit without a windshield, tricycle landing gear and a two-cylinder, air-cooled, two stroke, fuel-injected 50 hp (37 kW) Hirth F23 engine. [1] The aircraft fuselage is made from metal tubing, with a small cockpit fairing. Its dual two-bladed rotors each ...