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> Planes & Parts > Sport, Aerobatic & 3D
> Planes & Parts > Parkfly & Indoor
> Planes & Parts > Almost Ready to Fly (ARF) > Sport, Aerobatic & 3D
> Planes & Parts > Almost Ready to Fly (ARF) > Parkfly & Indoor


HobbyKing® ™ Reaktor 3D EPP 800mm (ARF)

HobbyKing® ™ Reaktor 3D EPP 800mm (ARF)
HobbyKing® ™ Reaktor 3D EPP 800mm (ARF)

The Reaktor 3D EPP is a superb model for 3D aerobatic flying. Constructed of super durable EPP foam, this kit can handle just about anything you can throw at it.

Its large control surfaces offer extreme authority for 3D manuevers. It features an airfoiled wing with carbon fiber spars in-built making it extremely rigid.

Ailerons and elevator come pre-hinged which help keep assembly time to a minimum.
Wingspan: 800mm
Length: 815mm
Flying Weight: 250g~290g

Colour Instruction Manual

Your own 4 Channel TX/RX
10~12A ESC w/BEC
HK2612 Brushless Outrunner Motor
8x4 Prop
5~6g Servo x 4
800mAh~1000mAh 2s Lipoly Battery


This product available from a warehouse near you!

2 1:IC/2:Elec 4 Channel 800mm (31.50in) 815mm (32.09in) 290g (0.638lb)

Weight: 998g Quantity: 
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Price $31.99

  • Hobbyking SS Series 8-10A ESC

    Combo Price: $6.46   BACKORDER

  • TURNIGY Plush 10amp 9gram Speed Controller

    Combo Price: $8.66   IN STOCK

  • HobbyKing 2612 Brushless Outrunner 1900KV

    Combo Price: $11.96   BACKORDER

  • Turnigy 800mAh 2S 20C Lipo Pack

    Combo Price: $5.31   IN STOCK

  • Turnigy nano-tech 850mah 2S 25~40C Lipo Pack

    Combo Price: $5.95   IN STOCK

  • Turnigy 1000mAh 2S 20C Lipo Pack

    Combo Price: $4.28   IN STOCK

  • Turnigy nano-tech 1000mah 2S 25~50C Lipo Pack

    Combo Price: $5.86   IN STOCK

  • HXT500 6.2g / 0.6kg / .08sec Micro Servo

    Combo Price: $2.45   IN STOCK

  • Turnigy Servo 6g/1.2kg/.10sec

    Combo Price: $3.81   IN STOCK

  • Turnigy Servo 5.5g/0.9kg/.10sec

    Combo Price: $3.38   IN STOCK

Further discounts available for registered & logged-in customers.
 Customer rated
Total of 138 discussions.
Ohad  2 points - 8/26/2014
i need help, i have reaktor 3d with battrey turnigy 850mah 3s 25-40c but i there problem with this battreys. the motor is d2822/14 brushless 1450kv speed control hk 20a blueseries hk servo 9gram
 Ohad 2 points
im searching for new battreys wuth this set up
 ElectricAussie 4150 points
Hi Ohad, I fly the same set-up you have (D2822/14, 20A BlueSeries ESC) and I have used the nano-tech 850mah 25C-40C LiPo with no problems. If you're having running problems I think your servos may be the problem. If you're running four HXT900 servos you may be pulling too much current for the ESC's BEC circuit. the 20A BlueSeries ESC has a 2A BEC, but the HXT900 servos pull over 0.5A each, so you're pushing the BEC circuit past its limit. If you have a slightly larger ESC like a 30A, try substituting it temporarily and see if the running problems go away. Then you know the servos/ESC combination is the problem. Regarding other battery choices, I've found that the Rhino 610mah 20C is a great match for you set-up. They're lighter and cheaper than the nano-tech packs, but still give 5-6 minute flights. Cheers, EA!
ASCLEPION33  18 points - 8/17/2014
 RUKSHAN 8 points
Depend on what you pull out of it. Generally speaking, I get about 5-8 mins with 3cell 1000-1300mAh Lipo and D2822/14 1450kV motor.
 RUKSHAN 8 points
On the same note, 8x3.8 Prop & 20A ESC. Hope this will help. RK
Muhd  6 points - 6/12/2014
IS it possible to use 25amp speed controller instead?
 AlbEagle007 548 points
Depends what motor you are using. If you are using D2822/14 than 25 Amper is fine. Even 20 A is ok.
 ElectricAussie 4150 points
Hi Muhd, The only downside to using a larger than necessary ESC is the added weight. You won't draw any additional current than what the motor is rated for so it won't hurt the motor or the ESC. My general rule-of-thumb is to use a ESC that's rated 20% higher than the max motor current rating to ensure a bit of safety margin. For example, If the motor has a max current rating of 15A, you would want to use at least a 18A ESC to avoid possible ESC problems during long full throttle periods. Hope this helps you make your decision. Cheers, EA!
 marcman 35 points
Hi EAussie sorry to bother but do you think the C2028 1400kv, 22g., 90 w. motor is enough for this plane ?
 ElectricAussie 4150 points
Hi marcman, I haven't used the C2028 1400kv motor, so I can only go by the specs in making a call on its suitability for the Reaktor. Based on the 90W rating, it probably has enough power to fly the Reaktor for most aerobatics and may be able to hover it at close to full throttle. However, it won't have the extra pop needed for the full-on 3D flying that the Reaktor is capable of. I've been through half a dozen different motors on 4 different Reaktors in the past few years. Anything less than 150W just feels weak/mushy compared to the D2822/14 1450kV motor that I've used on the last 2 Reaktors. Only a bit heavier (38g) than the C2028, but the 1/2-throttle hover and rocket shot verticals are awesome and the motor is bullet-proof. Cheers, EA!
 marcman 35 points
Thanx Eaussie ,you must get all your RC stuff for free with all those points. cheers mate.
 ElectricAussie 4150 points
Hi marcman, What did you decide on the C2028? Regarding the points, keep in mind that they're only worth $.01 each which makes their total value a whopping $41.20. Spread that out over all the orders I've place over the years and it means I've saved less than a buck per order, but HK's prices are so good I'm not complaining. Hobby shop prices here in Oz are triple the HK prices. Cheers, EA!
 Mosa 98 658 points
yeah, AU retail prices are at least 3-5x the HK price (postage included!)
byron  3 points - 6/11/2014
ok need help with my setup connect all the servos to receiver but have no left aileron movement tried changing the placement with no affect tried different receiver no change servo works fine help
 AlbEagle007 548 points
Try another servo, or maybe it is radio's fault.
 byron 3 points
it was the radio thanks for the help.......
 AlbEagle007 548 points
Glad you found the problem, and thanks for the credit *)
tjolle62  2 points - 6/8/2014
This EPP is kind of uncharted teritory for me as a newbie so my question is if regually thin CA is ok ?
 AlbEagle007 548 points
I have used regularly thin CA on this with activator and it works fine.
 tjolle62 2 points
Regular thin CA & activator it is then ! That i have plenty of , Thank you.
 AlbEagle007 548 points
I have glued the elevator and rudder servo with hot glue gun but it is to hot, it melts the epp, so for the aileron servos I used only CA & Activator. Also I put a carbon rod on top of the hole for batery to make it stronger because if it brakes then the battery will fall down and you can imagine what will happen.
 tjolle62 2 points
Thank's for the info about reinforcment , i have a nice collection of carbon fiber in rods , tubes , flats square in a varity of sizes and shapes so i will follow your recommendation with the battery issue.
Customer Reviews
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Overall Rating
1 thumbs up!
Great flying little airplane. The thicker foam and carbon fiber keep the plane stiff enough not to twist the tail in mid-air as a lot of these little flat epp planes do. With a Turnigy AE-20 ESC, C20 2050kv motor, 9x6 EP prop, OrangeRC 6 chan reciever, 4 Hextronix HXT500 servos, a Nano-Tech 460ma battery and no landing gear mine is 300 grams and will hover at 1/2 throttle. I initially flew it with out the 'winglet' (yep, that's what they call it in the instructions) on the turtle deck and it flew very well, but wouldn't do an inverted flat spin. Adding the winglet made the plane pull one with ease, as well as knife edge effortlessly. The plane is very responsive to the control surfaces and a true joy to fly. Instructions were clear and build time was just over 4 hours. NOTE: The rudder and elevator use a string pull-pull setup, they send you some silky, lightweight cotton string. Frustrating to build and very cheesy. I used 2mm carbon fiber and some wire from the hobby shop to make push rods on mine. By placing the ESC all the way forward and looping the motor wires out of the way, I was able to slip the reciever into the pre-cut slot, place the battery into it's pre-cut slot, and have a perfect CG without the addition of any weight. Using the C20 and AE-20 ESC provides 6-8 min flight times with minimal heat buildup even in aggressive flying (Battery slightly warm but it's nested in the foam so that's not unexpected). The thick foam is very durable, I haven't crash tested min

6 comments. Reply..

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This planes a 2cells li-po and you better use a 800mah battery, as for the motor the best one you could use is the HobbyKing 2612 Brushless Outrunner 1900KV(as suggested) and as for the ESC the TURNIGY Plush 10amp and 4 htx 500
it is my configuration and it is perfect :)

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Fantastic plane!!! Just finished the build and will fly tomorrow if the wind cooperates. Overall, this has been the best quality foamie I've come across in terms of design, fit, and finish. Every part was straight and fit like a glove. I have several of the Red Eagle foam planes and none of them compare in terms of stiffness and straightness of the individual parts or finished plane. The only complaint I have is the way the landing gear is attached. Flimsy little ply plates came loose the first time I flexed the the landing gear. I replaced them with 25mm x 35mm ply plates epoxied on and the landing gear is plenty strong. The recommended motor (HK2612) has plenty of power with 3S batts. Using a Rhino 610mah 3S, the plane weighs exactly 300g and literally leaps vertically with this motor/battery combo on a 8x4 prop. I file a flight evaluation later. Thanks HK for another great plane! Cheers!

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Okay, here's the flight report I promised. No wind and perfect flying conditions ... I'M IN LOVE WITH THIS PLANE!!! Trimmed out with just a few clicks of Elev/Aileron and flew like it was on rails. Very stiff with no noticeable flex at all. Hovers with almost no inputs, will turn 180 within a 1 metre space, flies same inverted as upright. Would do every 3D trick in the book if I knew how, yet it's just as happy to fly general pattern style. No tip stall at high or low speed. Landings can be as slow as you like, as it just settles down flat when air speed gets too low. Hand launches straight and true with no torque roll. When word gets out about what a bargain this plane is, HK won't be able to order enough stock. Cheers!

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A quick final note on some minor tweaks to my Reaktor. The little winglet on top is flimsy and flutters at high speed, so I added a 100mm long piece of .5mmx3mm CF strip to the top. Very stiff now and seems to improve the handling, especially when inverted. I've been switching between 3S Rhino 610mah and 750mah batts to see which weight/CG works best. The 750mah battery gives nice long flight times and perfect CG balance. AUW is 315g, but the plane still floats down to a crawl without losing lift and the extra power means awesome 3D capability. Cheers!

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