E-flite UMX Ultrix BNF Basic Electric Airplane w/AS3X & SAFE Select (342mm)

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The E-flite UMX Ultrix BNF Basic Electric Airplane with AS3X & SAFE Select is novel, redesigned "Ultra Micro eXtreme" delta wing with aerobatic and 3D capabilities that delivers a flight experience as unique as its appearance.

This twin brushless motor-powered, delta wing airplane excels at smooth sport flying, basic aerobatics and even aggressive 3D — all in the same flight. It features an incredible power-to-weight ratio with hovering capability and unlimited vertical performance. Differential thrust adds yaw control and the ability to perform advanced aerobatic maneuvers including harriers, amazing flat spins and many more. The durable EPP construction makes this one of the toughest ultra micro models available. The included Optional-use SAFE® (Sensor Assisted Flight Envelope) Select technology makes the Ultrix easy enough for low-time pilots to enjoy, while still being exciting and involved enough for experienced fliers.

  • Innovative and unique design capable of smooth sport, aerobatic AND 3D flying
  • Powerful twin brushless motors deliver the power to hover and climb out vertically
  • Differential thrust for yaw control to perform flat spins and other maneuvers
  • Ultra micro size can be flown in more places and smaller spaces
  • Extremely durable yet lightweight, fully-molded EPP airframe
  • Industry-leading Spektrum™ 2.4GHz DSMX® technology
  • Easy to fly with optional-use SAFE® Select flight envelope protection
  • Unmatched stability and locked-in feel of AS3X® technology for smoother flight performance
  • Optional LED light kit/set (sold separately; EFLU6455) for flying at night
  • Fully factory-assembled and ready to fly
Aileron: Yes
Approximate Assembly Time: Less than 1 Hour
CG (Center of Gravity): 6.9" (175mm) back from the nose with the battery at front of battery tray
Charger: 1S 3.7V LiPo
Completion Level: Bind-N-Fly Basic
Elevator: No
Flaps: No
Flying Weight: 2.29oz (65g)
Landing Gear: None
Length: 12.9" (320mm)
Minimum Required Radio: 5-channel
Minimum Speed Control: Receiver/ESC unit installed
Motor Size: 0805
Propeller Size: 60mm x 2.5mm
Recommended Motor Battery: 500mAh 1S 25C LiPo
Retracts: No
Rudder: No
Servos: Two 2.3g long throw servos installed
Transmitter Range: Full
Wingspan: 13.5" (342mm)

  • (1) E-flite® UMX™ Ultrix™ with:
    • (2) Brushless Motors (installed)
    • (2) Linear Servo (installed)
    • (1) Spektrum™ Receiver with (2) brushless ESCs (installed)
  • (1) Product Manual
Needed to Complete:
  • Full-range 5+ channel Spektrum™ DSMX®/DSM2® compatible transmitter
  • 1S 3.7V 500mAh LiPo with JST Connector
  • Compatible LiPo charger

This product was added to our catalog on January 13, 2020

Verified Owner
Saturday, Feb 29 2020 (4 weeks ago)
E-flite UMX Ultrix BNF Basic Electric Airplane w/AS3X & SAFE Select (342mm)
Fast delivery and this is a Super fun plane, easy to fly and and do lots of acrobatics yet is safe! May get one more to have family fun fly ? waiting for the my LED (ordered) to arrive to complete the package ???