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E-flite UMX Spacewalker 418mm (16.5") Wingspan - BNF


This product is discontinued

Spare parts available below

Regular price 99.99 $9999 Free Shipping*

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16.5" Wingspan E-flite UMX Spacewalker - Bind-N-Fly (BNF) - EFLU2780

The E-flite UMX™ Spacewalker airplane is all about making the pure joy of RC flight possible within the serenity of small spaces. We would consider this a slow flyer great for indoor spaces such as a school gym. It can be flown outside but only on a calm day. Its scale appearance captures the charm and sense of adventure of those who labored over full-size homebuilt airplanes much like it. That’s because it includes exquisite detailing such as molded wing ribs, exposed engine cylinders and a pilot figure proudly poised in the open cockpit. But it’s the slow-flight capability and simple 3-channel performance that will have you wanting to keep a number of charged micro batteries on hand.

When you love flying ultra micro RC aircraft, you tend to see your surroundings a little differently. Backyards, picnic tables, parking lots and driveways suddenly reveal themselves to be great flying fields or runways. E-flite UMX™ airplanes let you fly in your world as you see it with minimal fuss. Each one is designed to get you in the air in the time it takes to charge a battery. And because all UMX aircraft use advanced 2.4GHz Spektrum™ DSM2/DSMX technology, you’ll never have to worry about interference and can enjoy the freedom of flying them with a wide variety of available DSM2/DSMX transmitters.

You can have this Ready-to-Fly UMX™ Spacewalker airplane ready to go in the time it takes to charge the Li-Po battery and bind the receiver to your radio. It comes out of the box completely assembled as shown. Although it has the performance to climb and loop, it’s the smooth slow-flight characteristics that are as charming on the model as they are on the full-size version.

UMX™ Design

A fully assembled ultra micro design that’s engineered with the finest materials and equipped with cutting-edge components to deliver best-in-class performance.

Simple 3-Channel Control

The E-flite 4-channel 2.4GHz DSMX transmitter (included with the RTF) features proportional control of throttle, rudder and elevator.

Rechargeable Battery & Cordless Charger

The included rechargeable ultra micro 70mAh 1S 3.7V Li-Po battery is capable of delivering 5-9 minute flight times. The included 1-cell DC charger can recharge the provided battery in about 20-minutes.


  • Completely built and flight ready
  • Spektrum™ DSMX receiver/ESC/Servo unit, installed
  • Ultra-lightweight construction with a scale inspired paint scheme
  • Classic landing gear with scale tires and a steerable tail wheel
  • Fully proportional throttle, elevator and rudder control
  • Graceful, slow-flight performance that’s ideal for small spaces
  • 6.0mm brushed motor with gear drive and 100mm propeller


  • E-flite UMX Spacewalker (16.5" wingspan) - (BNF)
  • Ultra-micro 70mAh 1S 3.7V Li-Po flight battery
  • 1-cell Li-Po DC charger
  • 8 AA batteries (to power the transmitter and charger)


  • 4+ channel DSM2 or DSMX compatible transmitter - Click Here for recommendations

Optional Parts:

  • E-flite 3.7V 1S 70mAh LiPo battery - EFLB0701S

Product Specifications:

AGE LEVEL : 14 and up
SKILL LEVEL : Intermediate


16.5in / 418mm


11.6in / 295mm

Flying Weight

0.78oz / 22g

CG (Center of Gravity)

18mm back from the leading edge at the wing root

Power System

6mm Brushed

Electronic Speed Control


Propeller / EDF

100mm x 60mm - 2-blade propeller



Landing GearFixed

Required Battery

3.7V 1S 700mAh LiPo (included)

Required Radio

E-flite® 4-channel 2.4GHz DSMX® transmitter (included)









Hinge Type


Skill LevelIntermediate
Build TimeNone
Recommended EnvironmentOutdoor

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