UMX Ultrix BNF Basic (EFLU6450)

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€139.98 €115.69

Product Details


UMX Ultrix BNF Basic (EFLU6450)

The UMX™ Ultrix™ is a smooth handling, extremely versatile delta wing with aerobatic and 3D capabilities that you might not expect based on its looks alone. The twin brushless motors deliver an incredible power to weight ratio that offers good speed, plenty of power to hover and unlimited vertical performance. Differential thrust adds the ability to perform harriers, flat spins and more amazing aerobatics. And extremely durable EPP construction makes this one of the toughest ultra micro models yet. The Ultrix handles windy conditions well, aided by exclusive AS3X® (Artificial Stabilization – 3-aXis) technology that works behind the scenes to smooth out the effects of wind and turbulence for a locked-in feel — it’s like you're flying a much larger airplane. Optional-use SAFE® (Sensor Assisted Flight Envelope) Select technology makes the Ultrix easy enough for low-time pilots to enjoy, and the ultra micro size and lightweight construction are suited for flying almost anywhere. Skilled pilots can cut loose indoors in a space as small as a single basketball court, while large yards, sports fields and RC fields make ideal outdoor flying sites for just about everyone. Fully factory-assembled, the Ultrix is ready to fly within minutes of opening the box. Just add an affordable 1S 500mAh battery (EFLB5001S25) and bind it to a compatible Spektrum™ DSMX®/DSM2® equipped transmitter! You can even install the optional LED light kit (EFLU6455) for improved visibility during daylight conditions and to fly at night!


Needed to complete :
Full-range 5+ channel Spektrum™ DSMX®/DSM2® compatible transmitter
1S 3.7V 500mAh LiPo with JST Connector
Compatible LiPo charger


Wingspan : 342mm

Length : 320mm

Flying Weight :  2.29oz (65g)

Completion : BNF Basic (no battery / charger)

Minimum Speed Control : Receiver/ESC unit installed

Motor Size : 0805

Propeller Size : 60mm x 2.5mm

Recommended Motor Battery : 500mAh 1S 25C LiPo

Servos : Two 2.3g long throw servos installed

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


More Information
Manufacturer E-flite
Article reference EFLU6450
Brand E-flite
Kit version Bind and fly
Span 342
Plane Type Indoor& Parkflyers

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In the box

E-flite® UMX™ Ultrix™ with:

Brushless Motors (installed)

Linear Servo (installed)

Spektrum™ Receiver with (2) brushless ESCs (installed)

Product Manual