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E-Flite Viper 70mm EDF Jet BNF Basic


SKU EFL77500 Categories ,

Availability: In stock

E-Flite Viper 70mm EDF Jet BNF Basic with AS3X and SAFE Select

The E-flite Viper 70mm EDF delivers a high-performance jet experience with incredible speed, vertical performance and aerobatic capability while also being easy to take off and land–especially when it’s equipped with exclusive AS3X and SAFE Select technologies.

Key Features

  • First high-performance EDF (Electric Ducted Fan) jet with SAFE Select technology
  • The best choice for a first EDF jet model because it’s easy to take off, fly and land
  • A scale jet model with incredibly smooth sport airplane handling and amazing aerobatic capability
  • 12-blade 70mm fan delivers excellent top speed and vertical performance plus turbine-like sound
  • Factory-installed high-power 6S compatible brushless motor and 70-amp ESC
  • Functional and installed flaps for shorter takeoffs and landings plus improved slow-flight performance
  • Fast and precise factory-installed digital, metal-geared servos with ball-link equipped linkages
  • Steerable nose wheel and electric retracts with sprung wire struts for operation from a variety of surfaces including grass
  • Spektrum 6-channel AR631 receiver with industry-leading DSMX technology
  • Easy to fly and land with optional-use SAFE Select flight envelope protection
  • Unmatched stability and precision of AS3X technology for smoother flight performance
  • No glue required for assembly and can be ready to fly in less time than it takes to charge a battery
  • Large and convenient top hatch with clear canopy, cockpit detail and pilot figure
  • Strong and easy to install/remove one-piece composite reinforced wing
  • Lightweight yet strong and durable EPO construction
  • Unique and highly-visible trim scheme by Aircraft Studio Design

Bind-N-Fly Completion Level Advantage

This Bind-N-Fly Basic model is equipped with a Spektrum AS3X (Artificial Stabilization–3-aXis) receiver that works behind the scenes to smooth out the effects of wind and turbulence. The result is a sense of stability and precision that makes you feel like you’re flying a larger and expertly tuned aircraft.

If this is your first high-performance jet, or you want an extra margin of safety while familiarising yourself with the airplane, you can enable the optional-use SAFE® Select technology built into the receiver. No programming is required. Simply change up the binding sequence as directed in the manual.

With SAFE Select enabled, you get:

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

Automatic Self-Leveling
The airplane instantly returns to and holds level flight when the sticks are released and in the centre position. It’s also helpful for keeping the wings level during takeoffs and landings.

Easy Switch Assignment—No Programming Required
The simple procedure for assigning a transmitter switch to turn SAFE Select features on and off doesn’t require any programming and takes just a few seconds.

If you don’t want to enable the SAFE Select features, just bind the receiver normally and it will function like a standard AS3X receiver.

Needed to Complete

  • Full-range, 6-7+ channel transmitter with DSMX/DSM2 technology
  • 6S 22.2V 3200–4000mAh 30+C LiPo with EC5 connector
  • Suitable LiPo charger

Kit Contents

(1) E-flite Viper 70mm EDF BNF Basic
(1) Spektrum AR631 6-Channel Receiver
(8) Digital, Metal-Geared Servos
(1) 70A Brushless ESC
(1) Brushless Motor
(1) User Manual


Approximate Assembly Time: Less than 1 Hour
Approximate Flight Time: 4+ min
CG (Centre of Gravity): 75-85mm back from LE or wing @ root
Completion Level: Bind-N-Fly Basic
Fan Size: 70mm EDF
Flaps: Yes
Flying Weight: 4.2-4.4 lbs (67-70 oz)
Length: 40.4 in (1025mm)
Material: EPO
Minimum Required Radio: 6+ Channel
Minimum Speed Control: 70A
Motor Size: 2860-KV1850
Recommended Motor Battery: 6S 22.2V 3200-4000mAh with EC5 connector
Retracts: Yes
Wingspan: 43.3 in (1100mm)

Weight 3.8 kg
Dimensions 117 × 36 × 23 cm

1 review for E-Flite Viper 70mm EDF Jet BNF Basic

  1. Geoff

    The boring stuff first,
    Quick and easy to assemble, Easy setup with Spektrum transmitter (DX9) Took about an hour and a half all up.
    Can select SAFE on or Off when binding. I set SAFE up on 3 position switch (Beginner Intermediate and Off)
    Quality Eflite construction and colour scheme.

    Maiden off grass field (Cricket ground), retracts worked flawlessly both for take off and landing with no adverse effects, take off and landing flap settings are spot on from the manual. Set up for maiden with 6s 4000mah 60C and CG at 85mm. (Manual says between 80-90mm) Low and High rates set as per manual (70% and 100% throws) .Added 30% expo to smooth things out nicely.

    With the above setup I found the Viper to fly like its on rails. In SAFE mode, very sedate and would suit as a first EDF. (Just watch your speed) With SAFE mode off, hold onto your hat!

    Happily cruise around on 1/3 to 1/2 throttle and can do low and slow passes with full flaps and no bad tendencies.
    High speed low passes done with ease, just make sure you stay far enough ahead as this plane really motors when you push the throttle to the stops. Looks fantastic both on the ground and in the air.

    Very responsive and you don’t need high rates out of SAFE mode, low rates are more than enough with a very quick roll rate, elevator and rudder authority. Loops, Four point rolls, Immelmanns are a breeze, strong vertical climbs are a given and one of the easiest models to fly inverted.

    If you can only have one EDF, this is it.
    From 1st EDF through to Advanced Pilots this Viper has it covered.

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