Core Viewpoint - A jet-powered flying backpack developed by the JetRob team at Zhejiang University has garnered significant attention during an open day event, showcasing its capabilities for personal flight and potential applications in emergency rescue and special operations [1][3]. Group 1: Product Features - The flying backpack is powered by five jet engines, achieving a maximum speed of 100 kilometers per hour [8]. - It weighs 31 kilograms and can reach a total weight of 46 kilograms when fully fueled, allowing for a flight duration of three to five minutes [8]. - The backpack can perform low-altitude flights up to two meters high in areas like Hangzhou, with operational capabilities below 1500 meters [8]. Group 2: Development and Training - The development of the flying backpack took three to four years, with two years dedicated to flight testing [10]. - Operating the backpack requires physical strength and training, similar to learning to ride a bicycle [10]. - The team is currently in the small-scale production phase and plans to optimize and adjust the design further [13]. Group 3: Future Applications - The flying backpack is primarily intended for emergency rescue and special operations, with potential future applications for humanoid robots to perform tasks in hazardous environments [13]. - The engineer, Jiao Bojing, expressed confidence that advancements in robotic flight will surpass international developments in the future [17].