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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

  RATED:

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.
 
Specs:
Wingspan: 800mm
Length: 815mm
Flying Weight: 250g~290g

Includes:
Colour Instruction Manual
Hardware

Requires:
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



PRODUCT ID: REAKTOR-KIT

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

Weight: 998g
Quantity: 
International Warehouse
stock
-1
Price HKD248.24

esc
  • Hobbyking SS Series 8-10A ESC

    Combo Price: HKD50.13   BACKORDER

  • TURNIGY Plush 10amp 9gram Speed Controller

    Combo Price: HKD67.20   BACKORDER



battery
  • Turnigy 800mAh 2S 20C Lipo Pack

    Combo Price: HKD41.21   IN STOCK

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

    Combo Price: HKD46.17   IN STOCK

  • Turnigy 1000mAh 2S 20C Lipo Pack

    Combo Price: HKD33.21   IN STOCK

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

    Combo Price: HKD45.47   IN STOCK



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

    Combo Price: HKD19.01   IN STOCK

  • Turnigy Servo 6g/1.2kg/.10sec

    Combo Price: HKD29.57   IN STOCK

  • Turnigy Servo 5.5g/0.9kg/.10sec

    Combo Price: HKD26.23   IN STOCK



Further discounts available for registered & logged-in customers.
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 Customer rated
558
crowns
  
 
Total of 144 discussions.
aussiepaul  170 points - 10/4/2014
 
Anyone had problems with the aileron foam hinges, mine look just about non existent, new out box, very little foam holding them on, full of holes, it's like they removed to much foam and only just hanging on by paper thin foam or less. Anyone got any suggestions on how to fix this thanks
 ElectricAussie 4244 points
Hi Paul, There's pros and cons for the hinge design. The pros are mainly the lack of hinge gap (air leak between upper/lower surfaces) gives better flying characteristics. The cons .... you get about 10-12 flying sessions in before cracks/separations start appearing, usually at the outer ends where the ailerons take the most abuse from rough landings, tumbles, etc. I've built 5 Reaktors (wear out one every 6 months or so) and no longer wait for the hinge cracks to appear. I epoxy or CA 3 short strips (outer end, center, inner end) of tough cloth (fiberglass, nylon, etc.) across the hinge line on each wing half. Lasts the whole life of the plane and is still in place when it's time to bin the plane and build a new one. Cheers, EA!
BEST ANSWER CREDIT AWARDED
 aussiepaul 170 points
Thanks electric as you said I might do it from the start put some hinges on
 ThatGuy 11 points
Blenderm tape works really well. Just a strip on top of the hinge. Alot of foamies use only blenderm tape.
Wheelnut  45 points - 10/3/2014
 
Looks like they don't sell the D2822/14 motor here anymore. Any other recommendations for a motor? I hate it when they sell a plane and don't even offer a motor in the related items area.
 ElectricAussie 4244 points
Hi Wheelnut, By "don't sell here" do you mean the US or international warehouse? The D2822/14 is available in both (I just checked), but there's been some changes in the US and it's sold thru what is being called the US Western warehouse. Search PRODUCT ID: D2822-141450 and you'll find it. Cheers, EA!
mvdenzen  15 points - 9/21/2014
 
What wil be the ulimate setup for flight time vs power on 3s? Have a few nano tech 950mah 3s here on the bench so want to use these..... Hope someone can give me a working setup (servo/motor/esc/prop) combo Dutchie
 mvdenzen 15 points
and some advise regarding glueing the Reaktor. Does HK have good glue?
 ElectricAussie 4244 points
Hi mvdenzen, I've been flying Reaktors for a few years and have tried lots of set-ups. The best set-up I've found is the D2822/14 motor, 20A BlueSeries ESC, 8x3.8SF prop, and a 3S LiPo. I've used various LiPos including the 950mah/3S nano-tech which is a good choice for the long flight times and lots of power available. My favorite LiPo is the 610mah/3S Rhino packs which are much lighter but also give shorter (5-6 min) flights. With your LiPos and the motor/ESC mentioned above you'll get 8-9 minutes of 3D flying. Cheers, EA!
 ElectricAussie 4244 points
Hi mvdenzen, I forgot to answer your other question regarding best glue. I usually use epoxy: 5-minute for the smaller parts like the tail feathers and 20-minute for the larger surfaces like the main wing to fuselage joint. I've never had a joint fail, as epoxy is reasonably flexible and has incredible grip. Cheers, EA!
BEST ANSWER CREDIT AWARDED
 coongoola 7 points
Hello EA, my order has just been sent from the NSW warehouse so should see it a a couple of days. 😁 I've ordered the same as you suggested above, also push rods and linkage stoppers to go with it. Does the kit come with enough to get it airborne initially? I read that it comes with push-pull cables. Is that correct?
 ElectricAussie 4244 points
Hi coongoola, It comes with servo arms, z-bend wires, carbon rods, and heavy thread for the elev/rudder push/pull linkage. I use 1.5mm CF rod with the supplies z-bends for the rudder/elev linkage, as the thread set-up is a bit flimsy. You an pretty much improvise whatever you want. Cheers, EA!
 coongoola 7 points
Thanks EA. Kit just arrived today.
eaglecliff  19 points - 9/10/2014
 
What glue is people using for assembling this EPP model? I have heard about Foam-Tac, welder's glue, uhu por, Goop that are great for EPP but couldn't find any in HK's warehouse. Are there anything in HK that resemble any of these glues? Thanks for info.
 ElectricAussie 4244 points
Hi eaglecliff, EPP is compatible with almost every adhesive out there, but some work better than others. CA (even foam-safe CA) tends to make the joint a bit brittle, so the joint fails as the EPP flexes in a minor crash. UHU, Goop, and other similar glues work well but take a long time to cure, so the building process takes longer. I usually use epoxy: 5-minute for the smaller parts like the tail feathers and 20-minute for the larger surfaces like the main wing to fuselage joint. I've never had a joint fail, as epoxy is reasonably flexible and has incredible grip. Cheers, EA!
BEST ANSWER CREDIT AWARDED
 Bobo22 6 points
Type in the search bar: Mucilage-L I would also recommend epoxy if you need faster build. Cheers!
 eaglecliff 19 points
Thanks guys for the info, good to know EPP will stick with most glues. EA good logic on the CA brittleness hence my looking into a flexible glue. Bobo I have also liked the glue you recommended which had kinda rubber texture, should work good with flexible EPP in a crash situation.
Bobo22  6 points - 9/1/2014
 
Thanks EA! I have ordered 2 nano-tech 850mah and 2 Rhino 750mah batteries for this plane. Do you think that I would be able to setup the plane so I can go back and forward between the two sizes batteries or that is a bad idea? I also have OrangeRX RX3S 3-Axis Flight Stabilizer 6CH Receiver (PRODUCT ID: 9171000185). It has on/off switch and I was thinking it might come in handy but maybe I need to lose a few grams of weight. What do you think?
 ElectricAussie 4244 points
Hi BoBo22, I've used both of those LiPos (I'm assuming 3S) in previous Reaktors with no problems. They're virtually the same weight, but the width/thickness are different. You'll have to remove quite a bit of foam from the battery slot to fit the 850mah which leaves the foam along the top of the slot very thin and it will break unless you reinforce it. I had some s****s of fiberglass tape that I epoxied along the top edge of the fuse over the slot and it held up pretty well. I've found that the best LiPo for the Reaktor with the D2822/14 set=up you're using is the Rhino 610mah/3S. It fits the slot with almost no cutting required and I get 5-6 minutes of 3D flying from them. At less than $4 each, they're a bargain. Cheers, EA!
BEST ANSWER CREDIT AWARDED
 ElectricAussie 4244 points
Hi BoBo22, I forgot to answer your other question. A flight stabilizer? On a 3D plane? Sort of defeats the whole purpose of the plane's design, don't you think? If your flying skills are okay and you've flown anything beyond trainers then you won't have a problem with the Reaktor. Set it up with mild throws to begin with if you're a bit unsure of your skills. The plane is very stable, but it's not self-righting (like all aerobatic planes) the way a trainer is. You have to be flying it all the time, not watching it fly itself. If your skills are at the advanced level, you're in for a treat. The plane will do every trick in the book with no bad habits (tip stall, etc.) to watch out for. Cheers, EA!
 Bobo22 6 points
Thanks EA! I will build and maiden the plane with 750mah first, and eventually will cut the slot bigger to fit the 850mah in there. Then I will have a foam piece to fill the gap when I go back to use the smaller batteries. Flight stabilizers? I like them. I am in Atlantic Canada and its windy here all the time. I usually stabilize only the rudder though. Perfect knife edges and easy landings every time. Anyways the plane arrived but unfortunately I won't have time to put it together for another few weeks. Cheers, Bobo!
Customer Reviews
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Overall Rating
Kallanon
35 likes
Value
Quality
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


14 comments. Reply..

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Overall Rating
veloci
47 likes
Value
Quality
Like it?
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 :)


10 comments. Reply..

Overall Rating
ElectricAussie
4243 likes
Value
Quality
Like it?
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!


3 comments. Reply..

Overall Rating
ElectricAussie
4243 likes
Value
Quality
Like it?
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!


1 comment. Reply..

Overall Rating
ElectricAussie
4243 likes
Value
Quality
Like it?
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!


14 comments. Reply..

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