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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).
The piston engine-powered CH-7 ultralight series use the traditional "penny-farthing" layout with two-bladed main and tail rotors. The main rotor is formed from composites and is a teetering, semi-rigid design with 6° of twist. The tail rotor is aluminium.
The Wasp is a traditional pod and boom helicopter with a twin-blade rotor powered by a 90shp (97 kW) Garrett JFS-100-13A turboshaft engine. [1] It has a fixed skid landing gear and enclosed cabin with two-seat side-by-side seats. [1]
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 ...
The aircraft has a standard empty weight of 234 lb (106 kg). It features a single main rotor and tail rotor, a single-seat, open cockpit without a windshield, skid landing gear with ground handling wheels. [1] The rotor is driven by tip jets fueled by hydrogen peroxide, which emits only water vapour and oxygen as exhaust products. The tail ...
The cyclic control is roof-mounted, hanging down into the cockpit, but is otherwise conventional. The 23 in (58.4 cm) diameter tail rotor features a shrouded tail rotor and a tailplane with end-fins. [1] [4] When it was available, the aircraft could be purchased as a 150-hour assembly kit or as a 60-hour quick-build kit. No plans were available ...
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 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]