扶摇直上！直博会见证中国直升机产业新图景

Core Insights - The 7th China Tianjin International Helicopter Expo showcases advancements in China's helicopter industry, featuring various models and technologies in general aviation and low-altitude economy sectors [1][2]. Group 1: Helicopter Models and Capabilities - The Zhi-8L transport helicopter model has a 40% increase in cargo space compared to its predecessor, filling a gap in domestic helicopter transport capabilities [1]. - The Zhi-8 series, along with Zhi-20J and Zhi-18 series helicopters, forms a scalable transport array capable of efficient material delivery and personnel transfer in complex environments [1]. Group 2: Civil Helicopter Market - The AC series civil helicopters, including models AC332, AC352, and AC313A, are crucial for economic development and emergency rescue operations [2]. - A report predicts that by 2029, China's civil helicopter fleet will exceed 1,700 units, with flight hours surpassing 300,000, indicating a growth trend in civil helicopter operations over the next decade [2]. Group 3: Aviation Engine Innovations - The 1,100 kW class turboshaft engine, developed by China Aviation Engine Group, features advanced design elements and is suitable for the latest generation of 6-ton helicopters [2]. Group 4: Green Technology Initiatives - The exhibition features a megawatt-class hybrid power system for electric vertical takeoff and landing (eVTOL) aircraft, emphasizing high power density and low emissions [4]. - A megawatt-class hydrogen fuel turboshaft engine is being explored for achieving "zero carbon" flight, with potential future developments in hydrogen-powered systems [4]. Group 5: Emerging Aviation Technologies - The expo includes a 5,000 square meter low-altitude economy pavilion showcasing innovative aircraft designs, including an eVTOL resembling a whale, designed for medical rescue and urban air mobility [4]. - The AR-E800 eVTOL, a star product in the field, has made breakthroughs in key technologies, ensuring stable flight even in single-rotor failure scenarios [6].