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Sukhoi 31 Balsa 3D 1245mm (ARF)

Sukhoi 31 Balsa 3D 1245mm (ARF)

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Rating:
Stock:
OUT OF STOCK
Weight:
3330 g
SKU:
Su-31-A155

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Product
Description

This Hobbyking Sukhoi 31 is a top notch 3D Aerobatic model in every respect, the build quality is as good as it gets, superbly designed and ultra light.

The multi layer and expertly applied covering is top quality and the colour scheme itself is not only attractive but is great for orientation. The excellent hardware package includes a lightweight CF wing tube, glassfiber control horns, lightweight wheels &  strong alloy undercarriage. The control surfaces are huge as you would expect and to get the best from this superb model, digital high torque servo''s are reccomended.

This fantastic model features plug in wings for practicality and also a huge canopy which has both magnets and a hatch-lock for extra security. This Sukhoi is as classy as it get''s and is something just a little different, chances are it''s one you don''t have in your hanger, well at this price you no longer have an excuse!

Specs:
Wingspan: 1245mm
Length: 1250mm
Wing Area: 34.7dm2
Flying Weight: 1500g
4 Channel

Includes:
All Hardware
Instructions
Decals

Requires:
Your Own 4 Channel TX/RX
35-48 Brushless Outrunner Motor 800kv~900kv
14x7 Prop
4 x Digital High Torque Micro Servo
2200mAh~3300mAh 3s Lipoly Battery
40A ESC w/BEC

Product
Specifications

Additional Information

  • SKU:
    Su-31-A155
  • Brand:
    N/A
  • Capacity (mAh)
    No
  • Shipping Weight(g)
    3330.00
  • Length:
    1050.00
  • Width:
    410.00
  • Height
    185.00
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This is one of the nicest plane available here, underside although the same yellow and black colours is in large squares rather than lines so it's easy to see which way up it is. Hardware is good quality and it's light, it has a very thin wing section which seems to account for the fact that it slips through the air very easily and doesn't need as much power as similar sized planes. The thin wing section for some reason works very well not making it prone to stall, it can be flown very slowly, as someone said like a first low wing trainer or throttled up and flown true 3D. Turnigy 35 X 48 100KV in mine with a 13 X 6 prop which fits perfectly mounted of the bulkhead with two washers for spacing behind the X mount.



I fly mine with Rhino 3700 25C's placed right against the bulkhead but then I'm using light D-M16 digital MG servo's (for which you'll need to make an adapter plate as they are smaller than the standard openings). Ailerons are simply enormous and the rudder has enough authority to make knife edge a breeze, as standard it doesn't tuck under or pull up in knife edge either so requires no mixing of the rudder and elevator channels.



I've now flown over 50 flights with this set up and nothing has gone wrong, the more I fly it the more I love it, with four cells it would be simply ballistic if that's your thing but it really doesn't need it.



Three tips, firstly
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Ubdate: Turnigy G32 770kv, APC style 14*7, 4S 2400Zippy

Fliegt super neutral, messerfluglooping kein Problem!

Verarbeitung super, das beste was man fr 100 Dollar bekommt,

Ich bin begeistert, fliege die Sukhoi31 in Pattaya Thailand
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nice plane goes together well, good quality hardware similar to the expensive brand planes out there. i am using a 4240 890 kv tornado motor spaced off the bulkhead on 23mm alloy tubes. you need 70mm from bulkhead to prop mounting surface (back of prop) my motor weighed 140g and i used a 2200 30c lipo @ 200g with the battery at the front the CG was spot on 117mm using hitec hs81's on the rears 18g each i used hs65hb on the ailerons all the servo openings needed opening up for the hitecs even the 65's . the underside is black and yellow 4 large squares.
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Started assembling, nice looking kit.
Only room for a 16g servo in the mounting hole:
Rudder and elevator: W(D)13mm L(B)24m D(F)17mm
Aileron servo W(D)13mm L(B)23mm D(F)22mm
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I received main yesterday. It looks very good, even better than view from HB's photos. Package was solid and complete. Good quality.
Reedy to flight weight is 1400g at my case (Lipo 2200 3s, 12x6, Turnigy L3015A -1000). It's very light
Of course there are some minor disadvantages. Tail landing gear is only a shaped wire without any assembly parts. This is very weak and there is a problem to assembly. Opening hole for elevator servo should be placed a little higher because there is to much angle between push rod and elevator horn. I'm waiting for a maiden flight, but first I must replace tail landing gear and move motor 10mm forward.
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Great plane. Very nicely built and the look is a lot better than on the pictures here, especially after adding the Sukhoi stickers. I changed landing gear to carbon fiber - match nicely to the plan. I installed motor KDA36-10 XL and HK 50A ESC with added 5A SBEC and HK metal gear servos. Used prop 12 x 6 which give very good power. Planes flies great pratically without any trim. This plane is actually an excellent trainer as it can fly very slow and stable.
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