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Durafly EFX Racer (PNF) Orange Edition High Performance Sports Model 1100mm (43.7")

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Durafly EFX Racer (PNF) Orange Edition High Performance Sports Model 1100mm (43.7")


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The Durafly EFX Racer has been designed from the ground up to offer the speed (over 100 miles per hour) and strength normally reserved only for high-end full composite models, but with the handling and satisfaction, only a Durafly model can offer.

This 1100 millimeter (43.7 inches) span model boasts a huge list of high-performance features that set the EFX apart from the competition. The AeroStar 3536 1780KV brushless outrunner for only the best performance. The pre-installed AeroStar 60A ESC has been optimized to deliver smoothly the power you need when you want it and all control surfaces use high speed, high torque digital 9g servos (metal geared on the ailerons) together with ball link connectors to deliver true precision and control throughout the speed range.

The EFX Racer's high performance doesn't end with the electronics. The airframe has been engineered to be both rigid and lightweight, utilizing both glass and carbon fiber reinforcements throughout the model in combination with Super Compressed EPO foam and a highly polished surface finish to deliver the ultimate in performance in the air and the sleekest of looks on the ground. The EFX clips and screws together in minutes. Connect the control surfaces to the servos and install your own choice of receiver & LiPo pack and you are ready to fly!

Versatility is another of the design features of the EFX Racer. Right out of the box you're provided with two different power options, 8x6 for 3cell and 7x6.5 for 4cell. For good all-round sports performance, a 2200mAh 3S LiPo on the 8x6 will give good speed and is recommended for pilots less experienced with fast models. However, for true high speeds and power when you open the throttle, a 1800mAh 4S on the 7x6.5 is the winners' choice and will get you going over 100mph. Please note that only the props are supplied and not the batteries.

Complimenting the amazing speeds of the EFX is its stunning agility in the air. A simple under arm-hand launch at 3/4 throttle from standing gets the EFX in the air and you'll have unlimited vertical as soon as you open up to full (4S). A full house of controls (Aileron, Elevator, Rudder) gives the EFX remarkable aerobatics performance. Loops can be as BIG as you want them, rolls are very precise either fast or slow and the EFX will knife edge all day long! Thanks to the exceptionally strong airframe, high powered, high G maneuvers will not present a problem either. The EFX Racer will never fail you, but always leave you wanting more! It's not all about going fast and turning hard, you'll find the EFX handles exceptionally at slows speeds with both elegance and confidence-inspiring grace. This is especially true in landing where you'll find no hint of a stall and good control all the way down to the ground.

Whatever set-up you choose and however you prefer to fly, your EFX Racer will perform and deliver time and time again and always keeping you coming back for more.

Please Note: An FPV canopy and slope soaring cone are NOT supplied with this model.


• 100mph+ performance right out of the box (on 4S set-up).
• High-quality AeroStar Brushless Motor and ESC
• Powerful and fast 9g digital servos.
• Supplied with 8x6 propeller for 3S and 7x6.5 propeller for 4S set-ups.
• Super Compressed EPO foam construction.
• Glass and carbon fiber reinforcement throughout the airframe.
• No glue assembly. Just clicks and screws together in minutes.
• Ball link control system.
• Full complement of spare parts available.


Wingspan: 1100mm (43")
Length: 760mm (30.2")
Flying weight: 910g (32oz)
Motor: AeroStar 3536 1780KV Brushless Outrunner
Prop: 8x6 (3S) and 7x6.5 (4S) supplied
Battery: 1800mah 14.8V 4S (30C min) or 2200mah 11.1V 3S (30C min)
Servos: 4 x 9g digital servos (metal geared on ailerons)
ESC: AeroStar 60A
Controls: 4 Channel (Throttle, Ailerons, Elevator, Rudder)


6 ch receiver and transmitter
1800mAh 14.8V 4S (30C min) on 7" prop - 2200mAh 11.1V 3S (30C min) on 8" prop

Note: Manual can be found in the "Files" tab above.

  • IC / 2 :エレック Electric
  • 翼幅(ミリメートル) 1100.00
  • Length(mm) 760.00
  • Durafly EFX Racer 1100mm - HobbyKing Product Video
  • Durafly EFX Racer 1100mm - HobbyKing Product Profile

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Robert | 確認済みの購入者

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Sep 15, 2021

Uaaaah. After couple of "get each other know" now exploring its perfect flying characteristics. Superfast but very stable. Medium wind still acceptable. Very small internal space for accu and tx etc. No space for sensors

pascal | 確認済みの購入者

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Super kist !

Aug 28, 2021

Vliegt zeer stabiel en snel op 3s , nog niet met 4s gevlogen .
Toestel is makkelijk in elkaar te zetten.
Aanrader !

Andrew | 確認済みの購入者

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EFX Racer

Aug 07, 2021

Модель качественная, собирается быстро, доставлена быстро, без повреждений. Жаль нет инструкции по сборке.

Cd9335 | 確認済みの購入者

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Jul 28, 2021

Excellent airplane, super fast

Hawk1 | 確認済みの購入者

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geen beginners kistje maar wel snel

Jul 28, 2021

zeer snel vliegt op 3 cel 2200 mah

Floyd | 確認済みの購入者

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It looks fast, and that's an understatement.

Jul 26, 2021

I launched this underhanded and it launched like it was on rails. It was faster than I was expecting, and that was on a three cell battery. Had to cut the flight short because I was adrenalized. Only fly this plane if you have lots of experience under your belt. Looking forward to the next flight.

Chris | 確認済みの購入者

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What a blast!

Jun 10, 2021

I was expecting a decent plane that might last a few flights. This has exceeded my expectations! It’s fast and turns great at high speed. It also flys like a powered glider when you just want to have a little fun. Totally worth it. On 4s ditch the supplies props and get APC 7X6E.

Bob | 確認済みの購入者

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Efx racer

May 19, 2021

I have purchased this aircraft many times. It’s always a great flyer. Goes fast and handels great

Nikolaos | 確認済みの購入者

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Documented Speed

Jan 22, 2021

I can also confirm this plane does >100mph on 4s , i got 155 kph on a straight after a dive on board GPS telemetry with crappy cross wind not nice conditions and not pushing throttle all the way...

knocknick | 確認済みの購入者

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Excellent First Fast >100kph plane

Jan 08, 2021

Friday, 8 January 2021
I have now flown it about 10 times and landed ok most of the time. Plane still in one peace everything working perfect.
The plane flies very stable and stalling is very predictable no wing tipping or sudden stalls. . It maintains turn trajectory and inverted flight great.
BUT!! :
1) Do not buy this unless you have flown for at least 200 hours with at least 4 different planes (trainer types, pushers, low wing fast ~70-90kph . Otherwise, you will crash this horribly very quickly. 2) You need at least 50 m of runway. NO TREES or people around at least 150 m! The landing speed of the plane is with no wind 45kph. One can create a flap arrangement using 2 channels for ailerons but haven't tried this yet. The plane glides forever.
3)Definitely start with 3S 60C and make sure the battery is not over 250grams.
4) CoG is 50mm from leading edge 1 inch from fuselage for nose heavy . my battery is 212 gr placed at the furthest forward point
5) Place protective plastic sheet under the wing. unless you intend to land on beautifully mowed grass. still you shoudl protect the under wing.
6) when you are assembling the wing try to pull apart the 2 halves of the fuselage. apply CA +accelarator s appropriate.
Pull and push all surfaces try to bend the wings to see if all the parts especially carbon spars are all still glued in . ANY flexibility of the wing wrt the fuselage results in very strange unstable behaviors in the air.
7) install an AS3X transmitter with gyro stabilization if you are planning to fly in windy conditions >20kph. The plane is small and tossed around during turns. The plane is so fast that a gust of wing can push it out of trajectory during a turn.
8) During take of.
Make sure some down elevator trim is present . The elevator surface is visibly up by 3-4 mm
All control surfaces are flat, main wing fuselage angle at 90 degrees.
Point towards the wind
Hold plane underhand with your strong arm
3/4 throttle give it 1 second
And toss it up at 45 degrees angle . This should be a strong throw . Like throwing a basket ball
The plane will move to the left be prepared .
It is up in the sky in less than 2 sec. 9) BUY extra props !! Install a throttle break. It will save 4 out of 5 props. !!l 10) Post flight check all horns servo arms that everything is still intact put some pressure on them. Alos on all control surfaces and winges tails fuselage. My elevator wire came lose and then the entire servo . This planes undergoes easily 10Gs at sharp turns full speed. 11) Don’t fly in the dusk with this. Don’t bring spectators with you, except for a good friend to tosh it in the air if you need. It goes out of sight very quickly and you need to keep on your toes . When you are close to the ground the plane will be destroyed at a blink of an eye.
I have flown by now about 10 planes ,4 hellis, 2 quadcopters 3 boats I am close to intermediate skill. so it is really enjoyable to get something so fast. A real adrenaline rush!! I total recommend it but be warned !
It is a sensitive speed demon!

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EFX manual.pdf Download [2]
What is the correct Spinner setup? Manual says 2 piece Download [1]
EFXtra.pdf Download [1]

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