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EFL UMX Eratix 3D FF (Flat Foamy) 450mm BNF Basic with AS3X and A-EFLU02050

Model No: A-EFLU02050


COMING SOON 09/12/2025

Coming Soon - Stock Arriving: 09/12/2025

Stock Arriving: 09/12/2025

£189.99

£20.00

£169.99

Inc VAT & delivery

We Accept
Delivery Included
1 Year Warranty

Product Details

Scaled down from the popular E-flite® Eratix 3D FF 860mm, the UMX (Ultra Micro eXtreme) Eratix 3D FF 450mm offers "flat foamy" capabilities and performance in more places and smaller spaces! It arrives 100% factory assembled and ready to fly right out of the box, including a powerful 2S compatible brushless power system.

Key Features

  • A scaled-down, ultra-micro version of the popular Eratix 3D FF (Flat Foamy) 860mm you can fly in more places and smaller spaces
  • Powerful 2S compatible brushless outrunner motor with prop saver
  • Spektrum receiver with fly-by range telemetry and industry-leading 2.4GHz DSMX® technology
  • Easier to fly with innovative and optional-use SAFE® Select flight envelope protection
  • Completely factory-assembled and ready to fly right out of the box
In The Box
  • (1) E-flite® UMX Eratix 3D FF 450mm with:
  • (1) Spektrum Linear Servos (installed)
  • (1) Spektrum Brushless Outrunner Motor (installed)
  • (1) Spektrum Control Unit with (1) Receiver and (1) Brushless ESC (installed)
  • (1) Product Manual
Needed to Complete
  • Full-range 5+ channel Spektrum DSMX/DSM2 compatible transmitter
  • 2S 7.4V 280-350mAh LiPo with 3-pin JST-PH Connector
  • Compatible LiPo charger (plus a suitable adapter/charge lead, including SPMXCA326, sold separately)

E-flite UMX Eratix 3D FF (Flat Foamy) 450mm RC Airplane Introduction

The E-flite® Eratix 3D FF (Flat Foamy) 860mm took the market by storm by being the most convenient, easiest to assemble, and fly "flat foamy" model in its class. Now the UMX™ Eratix 3D FF 450mm offers those same benefits in a scaled-down, ultra-micro size so you can fly in more places and smaller spaces – including indoors! It arrives fully factory assembled and ready to fly right out of the box, including a 2S-compatible brushless outrunner motor with a prop saver, four servos, and a Spektrum receiver featuring AS3X® and SAFE® Select technologies.

E-flite UMX Eratix 3D FF (Flat Foamy) 450mm RC Airplane Overview

The E-flite® Eratix 3D FF (Flat Foamy) 450mm offers the aggressive aerobatic plus smooth sport and slow-flying performance of flat foam models – without all the hassles of buying components for and building one! It arrives fully factory assembled and ready to bind to your compatible Spektrum transmitter, allowing you to fly in almost no time. Inspired by the UMX™ Extra 300 and Yak 54 flat foamy models, its laser-cut and composite reinforced airframe makes it light enough to fly extreme 3D manoeuvres indoors in spaces no larger than a living or conference room, or almost anywhere outdoors. The factory-installed brushless outrunner motor with a prop saver is compatible with popular 2S 280–350mAh batteries. It's also equipped with expertly tuned AS3X® and SAFE® Select technologies, plus it provides real-time battery voltage and other telemetry information to compatible transmitters. This makes it a versatile addition to the hangar for a wide variety of intermediate to experienced pilots!

E-flite UMX Eratix 3D FF (Flat Foamy) 450mm RC Airplane Features

  • Real-time battery voltage and other telemetry data with compatible transmitters
  • The unmatched stability and locked-in feel of exclusive AS3X® technology
  • Laser-cut flat foam airframe with composite reinforcement
  • Oversized control surfaces for full 3D aerobatic capability
  • 4 factory-installed servos and linkages
  • No FAA registration or Remote ID required (under the 250-gram weight limit)
Skill Level 2 for the E-flite UMX Eratix 3D FF (Flat Foamy) 450mm RC Airplane
Skill Level 2 – Some Experience Required

Skill Level 2 aircraft, like this one, are suitable for RC pilots who already have some experience and the skills to assemble and/or set up and fly similar class models. You should have the experience and skills necessary to successfully fly higher performance ultra-micro models like the various UMX Timber models, or larger models like the E-flite Eratix 3D FF 860mm, T-28 Trojan 1.1m, Valiant 1.3m, Timber 1.5m models, or other similar class models before attempting to fly the UMX Eratix 3D FF 450mm.

Bind-N-Fly Completion Level Advantage for the E-flite UMX Eratix 3D FF (Flat Foamy) 450mm RC Airplane
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 the box with the power system, servos and a Spektrum 2.4GHz receiver installed so all you need to do is bind the receiver to a compatible transmitter, finish any final assembly, and fly!

Exclusive Technologies for the E-flite UMX Eratix 3D FF (Flat Foamy) 450mm RC Airplane
Exclusive Technologies

This UMX Eratix 3D FF 450mm features exclusive Spektrum AS3X and SAFE Select technologies. AS3X works behind the scenes to smooth out the effects of wind and turbulence to deliver a locked-in feel that makes it seem like you're flying a much larger airplane. Optional-use SAFE Select offers pitch and bank angle limits along with automatic self-leveling that can be turned on and off at the flip of a switch to make this the easiest to fly flat foamy model yet!

Telemetry Capable for the E-flite UMX Eratix 3D FF (Flat Foamy) 450mm RC Airplane
Telemetry Capable

The UMX Eratix is equipped with a control unit/flight controller that includes an ESC and Spektrum receiver that provides real-time flight battery voltage telemetry to compatible Spektrum AirWare equipped transmitters (including the DX6e and 8e, DX6 G2/G3 and 8 G2, the DX9, NX6 to 20, the iX12 to 20, and others) while you fly.

High Performance for the E-flite UMX Eratix 3D FF (Flat Foamy) 450mm RC Airplane
High Performance

The factory-installed brushless power system features a specially tuned outrunner motor with a unique prop saver design. This power system delivers plenty of thrust for unlimited vertical and 3D performance with 2S 280–350mAh batteries!

Uniquely Capable for the E-flite UMX Eratix 3D FF (Flat Foamy) 450mm RC Airplane
Uniquely Capable

Like other flat foamy models, the UMX Eratix is capable of slow cruising, smooth sport flying, basic aerobatics, and even aggressive 3D flying - all in the same flight! It offers a truly "mild to wild" flight experience intermediate to experienced pilots will appreciate whether flying indoors in living rooms, garages, and gymnasiums, or outdoors in yards, parks, sports fields, and beyond.

Fully Assembled for the E-flite UMX Eratix 3D FF (Flat Foamy) 450mm RC Airplane
Fully Assembled

The UMX Eratix arrives 100% factory-assembled and ready to fly right out of the box! It's equipped with industry-leading Spektrum 2.4GHz technology that binds to your 5+ channel DSMX/DSM2 equipped transmitter so you can be flying within minutes of opening the box.

Durable Design for the E-flite UMX Eratix 3D FF (Flat Foamy) 450mm RC Airplane
Durable Design

Construction with laser cut and composite reinforced foam delivers a lightweight yet durable airframe. It's also easily repairable with odorless/foam-safe CA, Foam 2 Foam, epoxy, and other foam-friendly adhesives. Or, if you damage any airframe parts or components and can't repair them, a full line of replacement/spare parts is readily available.

  • Wingspan: 450 mm
  • Weight: 62.5 g
  • Length: 487 mm

We want to make sure your delivery goes smoothly, so here are some important details about our service:

  • For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
  • Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
  • Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
  • If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
  • We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
  • As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
  • If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
  • For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.