Trifeet UAVs are Chinese UAVs developed by Beijing Beijing Trifeet Aero Electronics Co., Ltd. (Trifeet, 北京三足航空电子有限公司). As of 2013, a total of four have been identified.
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Swan 01
Swan 01 UAV is an UAV in twin-boom layout with tricycle landing gear. Propulsion is provided by a two-blade propeller driven by a pusher engine mounted at the rear end of the fuselage. Various engines can be utilized, ranging from 150 cc to 220 cc, and the aircraft is constructed from composite material. Specification:
Swan 02
Swan 02 is an UAV of conventional layout with T-tail. Propulsion is provided by a two-blade propeller driven by a 50 cc tractor engine mounted in the nose, and the aircraft is constructed from composite material and has a tiny winglet on each wing. Specification:
Swan 04
Swan 04 is a micro air vehicle (MAV) in blended wing body layout without any vertical rudder but with winglets. Swan 04 is constructed of epoxy with polycarbonate skin. Propulsion is provided by a two-blade propeller driven by a pusher engine mounted at the rear end of the empennage. Specification:
Swan 05
Swan 05 is a MAV of conventional layout. Externally, Swan 05 resembles AeroVironment RQ-11 Raven and the two UAVs have identical layout. Swan 05 is constructed of fiberglass. Specification: