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AVIC VSTOL UAVs
AVIC VSTOL UAVs are Chinese VSTOL experimental UAVs developed by Aviation Industry Corporation of China (AVIC). Although all of these proof-of-concept designs are currently unmanned, the developer has claimed that if proved to be successful, some of them might be developed into manned versions in the future.
==Blue Whale==
Blue Whale (Lan-Jing or Lanjing, 蓝鲸) is a projected Chinese quad tilt-rotor proposed by (China Helicopter Research and Development Institute (CHRDI, 中航工业直升机设计研究所) ) of AVIC. The eventual goal is to have an VTOL aircraft with take-off weight of 60 tons, and payload of 20 to 30 tons, speed of 538 km/hr, range of 3106 km, ceiling of 8615 m, and combat radius around 815 km. It is designed to be fly-by-light, constructed mostly by composite material, and has distributed avionics.〔(Blue Whale VTOL )〕 However, when Blue Whale first made its public debut at the 2nd Helicopter China Expo held in Tianjin in September 2013, where Blue Whale was shown in the form of a model, the developer has revealed that the project would be a proof of concept program which is still at its preliminary proposal stage, and since China had never ventured into the tilt rotor arena and the arena of developing large helicopter of this scale (equivalent of Mil Mi-26 class), the project might progress at a much more prudent approach by first developing an unmanned version at much smaller scale than the ultimate manned version, and once all technologies proved to be mature and fully acceptable, the manned version would be developed based on the experienced gained from the unmanned version in the second step. The naming convention of this aircraft appears to support such claim in that instead of assigned a Z designation for helicopter or Y for transport in traditional Chinese aircraft designation system/practice, the aircraft received a name like most Chinese UAVs, and Z and Y designation are not used. Externally, Blue Whale quad tilt-rotor is almost identical to Curtiss-Wright X-19 except it is round five times larger (for the ultimate manned version). Other difference includes the retractable landing gears where Blue Whale the single wheel landing gear of X-19 is replaced by twin-wheel landing gears in Blue Whale, and there are four blades for each rotor of Blue Whale, as opposed to three for that of X-19.〔(Blue Whale Tilt-rotor )〕〔(Blue Whale )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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