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Product
Description -
Developed by Sokhoi in Russia as an experimental aircraft to show case their technical advancements in fighter jet design the SU-47 uses a forward-swept wing configuration For high maneuverability and high angles of attack.
If your looking for an experimental EDF jet then the SU-47 ticks all the right boxes. The forward swept wing design will defiantly stand out from the regular EDF jet crowd. Also featuring twin 55mm 3 blade EDF units, hinged control surfaces and an easy access battery compartment the SU-47 Twin 55mm EDF kit is a step above your regular EDF foamie jet. You will require 2 x 2040-4300kv Brushless inrunner motors with 2.3mm shafts to accommodate the 3 blade fan, 3 x 9g servos (2 for control surfaces and 1 for the steerable nose wheel), a 11.1v 2200mah 3S1P lipo battery and your own transmitter and receiver (Tx/Rx) and an hour or so of build time.
Specs:
Length:1024mm
Wingspan:750mm
Wing Area: 12.7dm2
Flying weight: ~700g
Wing Loading: 55g / dm2
Ducted fan: Twin 55mm 3 Blade Fan units (Included)
Battery: 11.1v 2200mah 20c (Required)
Battery Area: 38mm x 27mm x 105mm (MAX)
Servo: 3 x 9g (Required)
ESC: 2 x 18A (Required)Required:
Motor: 2 x 2040 4300kv Brushless inrunner (with 2.3mm shaft)
Servo: 3 x 9g
Battery: 11.1v 2200mah 3S1P 20c
ESC: 2 x 18A
Radio: Your own Tx/Rx -
Product
Specifications -
Additional Information
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SKU:
SU47BRKT-KIT
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Brand:
No
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Capacity (mAh)
No
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Shipping Weight(g)
1950.00
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Length:
870.00
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Width:
130.00
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Height
455.00
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SKU:
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Community
Discussions -
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Rate&
Review -
Pas facile pas conseill aux dbutantslow price for high class and good qualityAttention!
I bought the engine for the aircraft to the shaft of 2.3 mm as it is written in the description.
Collet which is sold bundled with edf can be mounted on a shaft with a minimum size of 3 mm.I haven't receaved my plane yet but have ben reading alot on it and it sounds like a good buy can't wate to get minefixed 2x 4.3k out runner motor, power shld be enough to lift the plane. look through the manuel but unable to find the c.g. anyone can share the c.g of this plane? thanksUpdate-Aug 2. I modified the airframe to accept a single fan just ahead of the area for the original two fan position. I used the T-2815 4800 KV with a 40 amp SC and a 2200 Nano. Internal ducting was easy using depron and plastic pop bottle parts with the twin exit/efflux tubes reduced to the same size of other single fan setups. No dead weight but I did fill the flimsy nose cone with expanded Gorrila glue. Excellent flight performance, easily over 100kmh, rolls perfect and lands well with a little power on. Easily my favorite jet now.OK, so this is not a good first EDF, I have gone through a series of misfortune and after making some repairs I have finally flown this. I have found the CG needs to be roughly 1/2 to 1" back from the wingtips. Since up elevator creates the effect of a aileron up wing spoiler as everything is connected by linkage. I have found that it helps to have some amount of down aileron at nuetral elevator so you get a flaps effect. This thing needs speed to get airborne so get some good esc's with heat sinks and some powerful motors. I had to use a 1300 Mah 3 S battery to get it off the ground and it was admittidly a short flight. If you wanted to have separate aileron servos and evelavtor servos the added weight in the back may help with the balance. It flew nicely once airborne. The one rock got sucked up and broke a fan blade so it didn't have the power it should have butwith high nose up I had good control. I'm thinking about buying a second kit now that I have some of the basic info to help it be more succesful. Hope you get one and sort it out so we can all learn from your efforts. !!!I got this plane from FIY in ARF mode.
Built in less than 45min.
The stock EDFplusESC responded very well to 2.2 nano-tech 25C & Turnigy 2.2 20C.
The plane flies excellent, the only weak point is the front landing gear that is easily broken. I glued a piece of plywood with a hole to replace the plastic one.
Manouverability is superb. Rolls are absolutely axial, no bad tendencies.
Landings need to be done carefully with some speed .Have had the pleasure of having two of these Used Hk foam safe and HK five minute eoxy. Hk esc, KMS inrunners from phase 3 F-16 Caorona 4ch synth RX Turnigy 9X TX.
Both hit the ground not on purpose. Cg no brainer built in with the placement of the battery tray 2200 HP 3S easy ROG.
Do not think I will try another
will probably put the power set in an A-10 kit
Happy landingsI RECEIVED MY SU-47 KIT,IT APPEARS WELL DESIGNED,PARTS FIT PROPERLY.
THE ONE OBSERVATION HERE IS THAT THE EDF UNITS SUPPLIED WITH THE KIT ARE UNAVAILABLE ,THEY ARE DIFFERENT FROM THE USUAL 55 EDF UNITS IN A FEW IMPORTANT WAYS,IS THERE A WAY I CAN PURCHASE TWO ADDITIONAL UNITS,I DO NOT WANT TO USE A DIFFERENT STYLE UNIT.
Thanks
mike
mwb8345a@aol.com
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Customer filesSU-47 CG download now [19kb] exhaust pipes and motors download now [72kb] mounting the fan and esc download now [113kb] 55mm fan system download now [120kb] fan blade 55mm download now [35kb] MANUAL download now [6.65Mb]
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