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On March 7, 2017, Bell Helicopter presented a conceptual, futuristic looking aircraft. The mock-up presented is configured for eight passengers, but will be capable of accommodating up to 12. [ 1 ] On top of the aircraft are five "morphing" main rotor blades which aim to allow the tip of each blade to move between different flight regimes. [ 2 ]
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).
Advanced Supersonic Transport (AST) model in wind tunnel. The aircraft design process is a loosely defined method used to balance many competing and demanding requirements to produce an aircraft that is strong, lightweight, economical and can carry an adequate payload while being sufficiently reliable to safely fly for the design life of the aircraft.
Data from Cliche, Vortech and Kitplanes General characteristics Crew: one Width: 5 ft 8 in (1.73 m) Height: 5 ft 6 in (1.68 m) Empty weight: 150 lb (68 kg) Gross weight: 420 lb (191 kg) Fuel capacity: 5 U.S. gallons (19 L; 4.2 imp gal) Powerplant: 1 × Rotax 447 twin cylinder, air-cooled, two-stroke single-ignition aircraft engine, 40 hp (30 kW) Main rotor diameter: × 12 ft 0 in (3.66 m) Main ...
The Mini-500 design was initially based upon Augusto Cicaré's control system design as incorporated in his CH-6 prototype helicopter, but company president Dennis Fetters and Cicaré were unable to agree on licensing terms. Fetters instead elected to design and patent a "newly improved control system".
Sikorsky developed the X2 helicopter on a $50 million budget. The design includes expertise gathered from several earlier design projects. The S-69/XH-59A Advancing Blade Concept Demonstrator had shown that high speed was possible with a coaxial helicopter with auxiliary propulsion supplied using two jet engines, but that vibration and fuel consumption was excessive; [2] [3] [4] the Cypher UAV ...
Tandem-rotor helicopters, however, use counter-rotating rotors, with each cancelling out the other's torque. Therefore, all of the power from the engines can be used for lift, whereas a single-rotor helicopter uses some of the engine power to counter the torque. [1] An alternative is to mount two rotors in a coaxial configuration.
The Helicycle helicopter is the first experimental helicopter kit in mass-production to be powered by a turbine engine, the military surplus Solar T62-T32, capable of producing 150 shaft horsepower. The engine is limited to 95 horsepower due to torque limits on the main gearbox and rotor system.