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An SA 342M Gazelle of the French Army's Light Aviation (ALAT), the first Fenestron-equipped helicopter to enter production Fenestron on a Kawasaki OH-1 reconnaissance helicopter Fenestron on a Kamov Ka-60 at the MAKS Air Show, 2009. The concept of the Fenestron was first patented in Great Britain by the Glaswegian engineering company G. & J ...
The Airbus Helicopters H130 (formerly Eurocopter EC130) is a single engine light utility helicopter developed from the earlier Eurocopter AS350 Écureuil, one of the primary changes from which was the adoption of a Fenestron anti-torque device in place of a conventional tail rotor.
The fenestron consists of 11 blades spinning inside a circular housing at the base of the helicopter's tail fin. Certified for single-pilot instrument flight rules (IFR) operation, the HH-65A was the first helicopter certified with a four-axis autopilot, allowing for hands-off hover over a pre-determined location.
The fenestron, while requiring a small increase in power at slow speeds, has advantages such as being considerably less vulnerable to damage, safer for people in close proximity to the helicopter, and low power requirements at cruising speeds, and has been described as "far more suitable for high-speed flight".
The Z-19 features a fenestron tail, reducing the noise level and therefore allowing it to achieve some level of acoustic stealthiness. The exhausts have also been designed to reduce the infrared signature. [5] The helicopter is equipped with a millimeter-wave fire-control radar on top of its four-blade rotor. [6]
Cabri Fenestron tail rotor. The Guimbal Cabri G2 is a two-seat light helicopter produced by Hélicoptères Guimbal, and powered by a reciprocating engine. Designed by Bruno Guimbal, a former Eurocopter engineer, it had its origins in the 1980s, and the first demonstrator flew in 1992. Following the granting of regulatory approval, the Cabri ...
The EC135 is the quietest helicopter in its class, featuring an anti-resonance isolation system to dampen vibration from the main rotor. [5] The type's Fenestron anti-torque device can be actively regulated via a HI NR rotor optimization mode, which provides for greater controllability during higher weight take-off and landings. [2]
The Airbus Helicopters H145 (formerly Eurocopter EC145) is a twin-engine light utility helicopter developed and manufactured by Airbus Helicopters.Originally designated as the BK 117, the H145 is based upon the MBB/Kawasaki BK 117 C1, which became a part of the combined Eurocopter line-up in 1992 with the merger of Messerschmitt-Bölkow-Blohm's helicopter division of Daimler-Benz into Eurocopter.