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E-Flite UMX Ultrix BNF Basic (E-Flite EFLU6450 | EFLU6450)

Model: E-Flite EFLU6450
Dist. #: EFLU6450   SKU: EFLU6450

Customer Reviews: Rated 5.0 stars 5 of 5 (1 Review)

Shipping: In Stock For Shipping
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South Jordan, UT
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List Price:  $139.99
Price:  $119.99
You Save:  $20 (14%)

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Updated on Mar 27, 2025 05:10:56 AM

UMX Ultrix BNF Basic...


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E-flite UMX Ultrix BNF Basic





Introduction
The Ultrix™ includes a unique, all-new design that provides a flight experience unlike any other, specifically for models in the UMX™ (Ultra Micro eXtreme) class. This twin brushless motor-powered, delta wing plane excels at smooth sport flying, fundamental aerobatics and even aggressive 3D — all in the very same flight. Its unbelievable power-to-weight ratio offers hovering ability and limitless vertical efficiency. Differential thrust includes yaw control and the ability to carry out sophisticated aerobatic maneuvers consisting of harriers, remarkable flat spins and more. Plus EPP building makes the Ultrix the most resilient UMX model yet — all set to excitement RC pilots with more efficiency in more places and smaller sized spaces!





Features

Ingenious and unique design efficient in smooth sport, aerobatic AND 3D flying

Powerful twin brushless motors provide the power to hover and climb up out vertically

Differential thrust for yaw control to carry out flat spins and other maneuvers

Ultra micro size can be flown in more places and smaller sized spaces

Very resilient yet lightweight, fully-molded EPP airframe

Industry-leading Spektrum™ 2.4GHz DSMX® technology

Easy to fly with optional-use SAFE® Select flight envelope protection

Unrivaled stability and locked-in feel of AS3X® technology for smoother flight efficiency

Optional LED light kit/set (sold separately; EFLU6455) for flying at night

Fully factory-assembled and all set to fly





Overview

The UMX™ Ultrix™ is a smooth handling, extremely versatile delta wing with aerobatic and 3D abilities that you may not expect based upon its looks alone. The twin brushless motors provide an amazing power to weight ratio that uses good speed, plenty of power to hover and limitless vertical efficiency. Differential thrust includes the ability to carry out harriers, flat spins and more remarkable aerobatics. And extremely resilient EPP building makes this one of the toughest ultra micro models yet. The Ultrix handles windy conditions well, assisted by exclusive AS3X® (Synthetic Stabilization – 3-aXis) technology that works behind the scenes to smooth out the effects of wind and turbulence for a locked-in feel — it resembles you're flying a much bigger plane. Optional-use SAFE® (Sensing Unit Assisted Flight Envelope) Select technology makes the Ultrix simple enough for low-time pilots to take pleasure in, and the ultra micro size and lightweight building are fit for flying nearly anywhere. Experienced pilots can cut loose inside in a space as small as a single basketball court, while big backyards, sports fields and RC fields make ideal outdoor flying sites for practically everybody. Fully factory-assembled, the Ultrix is all set to fly within minutes of opening package. Just add an economical 1S 500mAh battery (EFLB5001S25) and bind it to a suitable Spektrum™ DSMX®/DSM2® equipped transmitter! You can even install the optional LED light kit (EFLU6455) for enhanced visibility during daytime conditions and to fly at night!





Needed to Total

Full-range 5+ channel Spektrum™ DSMX®/DSM2® suitable transmitter

1S 3.7V 500mAh LiPo with JST Port

Compatible LiPo charger

What remains in the Box?

(1) E-flite® UMX™ Ultrix™ with:

(2) Brushless Motors (set up)

(2) Linear Servo (set up)

(1) Spektrum™ Receiver with (2) brushless ESCs (set up)

(1) Item Handbook





 




Distinctively Capable

Uniquely Capable
The unique, ingenious design of the UMX™ Ultrix™ makes it efficient in smooth sport flying, fundamental aerobatics and even aggressive 3D flying — all in the very same flight!
 

Twin Power

Twin Power
Powerful twin brushless motors provide an amazing power-to-weight ratio to provide the ability to hover and limitless vertical efficiency. Differential thrust uses yaw control and the ability to carry out sophisticated aerobatic maneuvers consisting of harriers, remarkable flat spins and more.
 




Resilient Style

Durable Design
The sleek and simple delta wing design is formed from lightweight yet extremely resilient EPP, making the Ultrix™ among the toughest UMX™ aircraft ever.
 

Optional LED Lights

Optional LED Lights
Install the optional LED light kit (EFLU6455) for enhanced visibility during daytime conditions and to fly in darker conditions and even during the night.
 





Exclusive Technologies

Exclusive Technologies
This Bind-N-Fly® Standard model is geared up with exclusive Spektrum™ AS3X® (Synthetic Stabilization – 3-aXis) and SAFE® (Sensing Unit Assisted Flight Envelope) Select innovations. AS3X works behind the scenes to smooth out the effects of wind and turbulence to provide a locked-in feel that makes it appear like you're flying a much bigger plane. Optional-use SAFE Select uses pitch and bank angle limits along with automatic self-leveling that can be turned on and off at the flip of a switch, making the Ultrix™ simple to fly for low-time and knowledgeable pilots alike.
 

Fully Factory-Assembled

Fully Factory-Assembled
The UMX™ Ultrix™ shows up 100% factory-assembled and is all set to fly within minutes of opening package. It's geared up with industry-leading Spektrum™ 2.4GHz technology that binds to your 5+ channel DSMX®/DSM2® equipped transmitter so you can be flying in nearly no time at all.
 





SAFE technology

Bind-N-Fly Completion Level Advantage
Already own a Spektrum™ transmitter? Bind-N-Fly (BNF) aircraft make getting into the air quickly and with the best control experience possible easier than ever. They come out of package with the power system, servos and a Spektrum 2.4GHz receiver set up so all you require to do is bind the receiver to a suitable transmitter, complete any last assembly, and fly!

This Bind-N-Fly Basic model is geared up with a Spektrum 2.4GHz DSMX® receiver featuring AS3X (Synthetic Stabilization–3–aXis) technology that works behind the scenes to smooth out the effects of wind and turbulence. The result is a heightened sense of stability and precision that makes you seem like you're flying a much bigger, expertly tuned aircraft.

If this is your first model of its type, or you desire an extra margin of safety while acquainting yourself with the plane, you can enable the optional-use SAFE® Select flight envelope protection technology constructed into the receiver. No complex programming is required.

With SAFE Select made it possible for, you get:

Pitch and Bank Angle Limits
These envelope limits keep the plane from rolling or pitching upside down. They likewise prevent excessive climb or dive angles.

Automatic Self-Leveling
The plane immediately returns to and holds level flight when the sticks are released and in the center position. It's likewise helpful for keeping the wings level during takeoffs/launches and landings.

Easy Switch Task
The simple procedure for appointing a transmitter switch to turn SAFE Select features on and off does not need any programming and takes simply a couple of seconds.

The simple procedure for appointing a transmitter switch to turn SAFE Select features on and off does not need any complicated programming and takes simply a couple of seconds.




 

E-flite UMX Ultrix BNF Basic



Requirements

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

Battery charger: 1S 3.7V LiPo

Completion Level: Bind-N-Fly Basic

Elevator: No

Flaps: No

Flying Weight: 0-250g, 2.29oz (65g)

Landing Equipment: None

Length: 12.9" (320mm)

Minimum Required Radio: 5-channel

Minimum Speed Control: Receiver/ESC system set up

Motor Size: 0805

Prop Size: 60mm x 2.5mm

Recommended Motor Battery: 500mAh 1S 25C LiPo

Pulls back: No

Rudder: No

Servos: 2 2.3g long toss servos set up

Transmitter Range: Complete

Wingspan: 13.5" (342mm)

Frequently Bought Together

E-Flite UMX Ultrix BNF Basic
+
E-Flite 500mAh 1S 3.7V 25C LiPo Battery
+
E-Flite 1S USB Li-Po Charger, 500mA, JST: 180 QX HD
This Item: E-Flite UMX Ultrix BNF Basic
$119.99
E-Flite 500mAh 1S 3.7V 25C LiPo Battery
$11.99
E-Flite 1S USB Li-Po Charger, 500mA, JST: 180 QX HD
$13.99

Total Price: $145.97

Add All Three To Cart
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Rated 5 stars Best Micro Ever
By Loophole L on March 18, 2020   Verified Purchase

Spectacular micro ! Handles wind nicely; does flat spins on Stability mode, and "bullet dives" on Stunt two mode. Flies easily, lands gracefully. You can't go wrong with this fun bird !

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