RHKJ UAV

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.

RHKJ
Role UAV
National origin China
Manufacturer Xiamen Ruihang Precision Technology Co., Ltd.

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:[1]

  • Max speed: 60 km/h
  • Ceiling: 4 km
  • Empty weight: 1.3 kg
  • Payload: 0.7 kg
  • Length: 1 m
  • Rotor diameter: 8 in (20 cm)
  • Endurance: 20–40 min
  • Operating temperature: -20 to 40 °C
  • Max wind scale allowed for operation: 5

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:[2]

  • Max speed: 160 km/h
  • Cruise speed: 120 km/h
  • Ceiling: 5 km
  • Empty weight: 15 kg
  • Payload: 7 kg
  • Max take-off weight: 20 kg
  • Fuel: 8 l
  • Endurance: 6 h
  • Length: 2.3 m
  • Wingspan: 2.96 m
  • Power plant: 111 cc gasoline engine
  • Take-off and landing: taxiing
  • Take-off distance: 70–80 m
  • Landing distance: 100 m
  • Control distance: 40–60 km
  • Operating temperature: -20 to 60 °C
  • Max wind scale allowed for operation: 6

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:[3]

  • Max speed: 60 km/h
  • Cruise speed: 35 km/h
  • Ceiling: 2.5 km
  • Rate of climb: 3 m/s
  • Empty weight: 6.5 kg
  • Max payload: 0.4 kg
  • Max take-off weight: 7 kg
  • Fuel: 0.65 l
  • Main rotor diameter: 1.85 m
  • Tail rotor diameter: 0.27 m
  • Length: 2.005 m
  • Height: 0.7 m
  • Operating temperature: -20 to 60 °C
  • Max wind scale allowed for operation: 4
  • Normal radius: 1 km

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:[4]

  • Max speed: 90 km/h
  • Cruise speed: 65 km/h
  • Ceiling: 2.5 km
  • Rate of climb: 4 m/s
  • Empty weight: 9 kg
  • Max payload: 1 kg
  • Max take-off weight: 11.5 kg
  • Fuel: 1 l
  • Main rotor diameter: 2.1 m
  • Tail rotor diameter: 0.3 m
  • Length: 2.1 m
  • Height: 0.7 m
  • Operating temperature: -20 to 60 °C
  • Max wind scale allowed for operation: 5
  • Normal radius: 7 km

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.[5]

  • Max speed: 90 km/h
  • Cruise speed: 65 km/h
  • Ceiling: 2.5 km
  • Rate of climb: 4 m/s
  • Empty weight: 16.35 kg
  • Max payload: 13 kg
  • Max take-off weight: 35 kg
  • Fuel: 4.5 l
  • Main rotor diameter: 2.146 m
  • Tail rotor diameter: 0.403 m
  • Length: 2.63 m
  • Height: 0.711 m
  • Operating temperature: -20 to 60 °C
  • Max wind scale allowed for operation: 5
  • Normal radius: 30 km

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.[6] Specification:[7]

  • Cruise speed: 50 km/h
  • Max speed: 80 km/h
  • Ceiling: 2.5 km
  • Normal operating altitude: 1 km
  • Weight: 7–7.5 kg
  • Payload: 3.1 kg
  • Endurance: 40 min
  • Control radius: 10 km
  • Length: 1.14 m
  • Width: 0.86 m
  • Height: 0.25 m
  • Deployment & Recovery time: < 5 min
  • Max wind scale allowed for operation: 5

See also

References
  1. RH4A 1700 Archived 2013-09-27 at the Wayback Machine
  2. RHA 1660 Archived 2013-09-27 at the Wayback Machine
  3. RHH-156 Archived 2013-09-27 at the Wayback Machine
  4. RHH 1312 Archived 2013-09-27 at the Wayback Machine
  5. RHH 1480 Archived 2013-09-27 at the Wayback Machine
  6. RLX-1 MAV
  7. RLX-1 Archived 2013-09-27 at the Wayback Machine
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