RHKJ UAVs are Chinese UAVs developed by Xiamen Ruihang Precision Technology Co., Ltd. (RHKJ, 厦门睿航精密科技有限公司), most of which are unmanned helicopters, but there is also a fixed-wing UAV.
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RH4A 1700
RH4A 1700 UAV is a micro air vehicle (MAV) developed by RHKJ. The electrically powered RH4A 1700 is a quadrotor and it is the smaller cousin of the larger RLX-1 hexacopter. Specification:
RHA 1660
RHA 1660 UAV is a fixed-wing UAV in conventional layout with high-wing configuration and tricycle landing gear. Propulsion is provided by a two-blade propeller driven by a tractor gasoline engine mounted in the nose. Specification:
RHH 1156
RHH 1156 MAV is an unmanned helicopter based on commercial off-the-shelf (COTS) airframe GSR-260, which is integrated with flight control system indigenously developed by RHKJ. RHH 1156 has conventional helicopter layout and a pair of skids as land gear. Specification:
RHH 1312
RHH 1312 UAV is an unmanned helicopter based on COTS airframe, which is integrated with flight control system indigenously developed by RHKJ. RHH 1312 is the larger cousin of the smaller RHH 1156 with the identical conventional helicopter layout. RHH 1312 has conventional helicopter layout and a pair of skids as land gear. Specification:
RHH 1480
RHH 1480 UAV is an unmanned helicopter based on COTS airframe, which is integrated with flight control system indigenously developed by RHKJ. RHH 1480 is the largest unmanned helicopter developed by RHKJ as of 2013. RHH 1480 has conventional helicopter layout and a pair of skids as land gear.
RLX-1
RLX-1 MAV is a multirotor developed by RHKJ and it is a hexacopter. RLX-1 is different than most other multirotors currently in service in that instead of the common layout of six armed extended from the center, RLX-1 adopts a linear layout where three pairs of arms extended from the main beam. Payload is attached in tip of the beam. Specification: