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Home » ROC FMS Jet 70mm EDF Viper Blue PNP kit (Updated with Flaps) 1.100mm span ROC023B *******

ROC FMS Jet 70mm EDF Viper Blue PNP kit (Updated with Flaps) 1.100mm span ROC023B *******


The Viper Jet is a civilian homebuilt jet aircraft, designed by Viper Aircraft Corp. This two seater is powered by a 12700 N General Electric reactor and its cruise speed is near 600 km/h, and its service ceiling is 10500 m.

RocHobby recreated this fantastic aircraft for a 70 mm electro ducted fan (EDF), in a aesy to carry size with a 1100 mm wingspan. The model comes equiped with its 2860-Kv1850 inrunner brushless motor and a 70 mm 12 blades ducted fan. This motorset is controlled by a 70 A ESC. Eight 9 grams metal gear servos controls ailerons, elevators, rudder, flaps and nose wheel.

Electric retracts are also factory installed for a sleek and fast flight.

The EDF is easy to maintain with an easy to open hatch at the bottom of the fuselage.

The large canopy hatch give a good access to the receiver and to the flight battery.

Specs :

  • Wingspan1100mm /43.3 in
  • Overall Length 1025mm / 40.4 in
  • Flying Weight Around 1795 g
  • Motor Size 2860-KV/1850 inner running
  • ESC 70A
  • Servo 9g metal digital servo x  8  
  • Radio 6 Channel
  • Prop Size 70mm
  • Ducted Fan 12-blade
  • Recommended Battery 6S  3300mAh 35C
  • Aileron Yes 
  • Elevator Yes 
  • Rudder Yes 
  • Flaps Yes
  • Retracts Yes 
  • Approx. Flying Duration 4 minutes
  • Experience Level Intermediate
  • Assembly Time10-30  minutes
  • Wing Load 93.5g/dm²
  • Wing Area19.2  dm²

What do you need to complete :

  • 6-Ch or more radio system
  • 6S 3300 mAh 35C LiPo battery
  • 6S Lipo charger


  • Fabrikant : RocHobby