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HK-550TT Flybarless 3D Torque-Tube Electric Helicopter Kit

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HK-550TT Flybarless 3D Torque-Tube Electric Helicopter Kit

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SKU:
155000102
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Finally, a 550 class flybarless helicopter kit that won't break the bank! Modeled on the famous and proven T-Rex 550, the HK550TT FBL will push your 3D skills to their limits.

This 550 size helicopter offers an excellent power-to-weight ratio that makes for stellar 3D performance. It utilizes the same power system as a 600/.50 size electric heli, but is lighter and spinning smaller blades, thus offering much higher performance and efficiency. Also featuring a flybarless rotor head and torque-tube driven tail, this machine is capable of handling whatever hardcore aerobatics you choose to throw at it!

With its black anodized CNC alloy head & tail unit and beautifully finished carbon fiber frame, the HK550TT FBL is as nice to look at as it is to fly. This kit has just about all the alloy upgrade parts you could want already installed such as battery mount plate, tail servo mount, tail pushrod guides, anti-rotation bracket base and main bearing blocks. There are very few plastic parts anywhere on this heli! 

The HK550TT FBL uses high quality tail bearings and tight tolerances to ensure no slop in the tail assembly and locked-in tail performance for the most extreme of 3D flying.

This heli comes 90% pre-assembled so you can be in the air in no time. Just complete the final assembly,  add your favorite main blades, install your own electronics and your ready to fly!

Features:
• High quality flybarless rotor head.
• Black anodized CNC alloy head & tail unit.
• High-strength alloy main bearing blocks.
• Alloy battery mounting plate.
• Alloy tail servo mount.
• Beautifully finished carbon fiber main frames.
• High quality tail bearings and tight tolerances to ensure no slop in the tail assembly.
• Excellent power-to-weight ratio.
• Compatible with T-Rex 550 helicopter.
• 90% pre-assembled.

Specs:
Length: 1042mm
Height: 374mm
Main Rotor Diameter: 1188mm
Tail Rotor Diameter: 254mm
Motor Drive Gear: 16T
Main Drive Gear: 170T
Autorotation Tail Drive Gear: 180T
Tail Drive Gear: 40T
Drive Gear Ratio: 1:10.62:4.5
Weight (w/o electronics/blades): 1350g

Includes:
HK550TT FBL Torque-Tube Helicopter Kit
Tail Blades
All Necessary Hardware

Required items:
6CH Transmitter/Receiver with Helicopter Programming
Lipoly Battery (4000~5000mAh 6S)
520~550mm Main Blades
Servos (3 x cyclic, 1 x tail)
Flybarless Control Unit
Brushless Outrunner Motor
70~100A ESC

  • HK-550TT Flybarless 3D Torque-Tube Electric Helicopter Kit
  • HK 550 FBL Helicopter
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| Verified Buyer

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Certified Buyer Rated

Dec 07, 2013

El kit no es align u otras marcas pero por el precio es apto ., slo tuve problemas con patn aterrizaje nada que no se pueda solucionar recomiendo

ANDREGUIMA | Verified Buyer

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Customer Rated

Dec 06, 2013

Exellent quality, beautiful body, good tail rotor.

Canopy is very bad ... hint: buy a Turnigy fiber glass canopy that will be 100pcnt

:)

themerl69 | Verified Buyer

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Certified Buyer Rated

Nov 19, 2013

Wow. i very happy i did not buy the align kit.It is great quality , i heard all the stories about clones and was a bit worried until it came,and was able to really inspect it myself. the build went great with no issues other than the broken canopy witch i kinda expected ,but my heli is as good as an align and i still have the 396.55 difference in the cost i was going to pay for the align. great price great heli . thanks hobbyking.

Capt. Morgan | Verified Buyer

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  • Overall

Customer Rated

Aug 11, 2013

Great bang for your buck!! Only problem I had assembling was the main shaft would not fit through the main gear retainer. Little emery paper and all is well. Canopy was chipped in shipping. I don't like the stock canopy on any HK helis and had added one to my original order anyhow. Replaced main gear and pinion with slants as original main was wobbly. All aluminum is very nice and finished beautifully. Have only had a chance to hover in the backyard and it hovered great. For this price I can replace the parts I needed too and still came in well under competitors prices of equal quality machines .Well worth the money!!!

StRess | Verified Buyer

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Certified Buyer Rated

Jun 28, 2013

You get what you payed for... Generally this KIT is awesome, but 3 issues in my case: the one way bearing in my KIT was faulty; the canopy was completely damaged and the gyro tray (at the end of the frame) is completely unstable - you must to glue it (probably it is made from to thin carbon.

Heiko | Verified Buyer

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  • Overall

Customer Rated

Jun 21, 2013

Haube war komlett zerstrt, und nicht nur gerissen.Einzelne Teile der Haube lagen noch im Pakett (Pakett war ohne jeden erkennbaren Schaden). Leider hat Hobby King auf mehrfache Reklamation nicht reagiert. Sehr Schade
Der Rest des Modells war vollstndig aber wenig passgenau; (Toleranzen mit Trex nicht zu vergleichen) mit leichten Nacharbeiten war aber alles ok

Raven_Darkcloud | Verified Buyer

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Customer Rated

May 30, 2013

This kit is a great value, Parts look good and fit well. Very few issues during the build. It fly's just like it's name brand counterpart. The only real complaint I have is that the canopy cant even survive the shipping. I would say for just a tuch more on price it would be worth it to throw in a nice fiberglass canopy. I would recommend this to any one wanting to save $ over a trex so you can put top notch electronics in it. Get the zyx-s flybarless unit, some good digital servos, plus your motor and esc. Do your self a favor and order a fg canopy.

Larve | Verified Buyer

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Customer Rated

Apr 30, 2013

Good value for the money, nearly everything is machined out of aluminium and CF. Following things need to be checked: Main gear is warped and untrue wich makes it impossible to adjust gear mesh -> I use Align gear (188t helical). Be careful when setting the tail limits - binding can occur at to high throws.
I reccomend to install a second torque tube bearing to avoid vibs.
And like the others said canopy is su(ing. Mine arrived also broken.
Finally flying is without issues on the turnigy 600 1400kv motor and a yep 150 esc on 5S 5000 lipo and a zyx.

fastmurx | Verified Buyer

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Customer Rated

Feb 09, 2013

I received mine a couple of weeks ago, only one thing to complain, the canopy was broken, so I bought an original Align 550. But the rest is of impressive quality, especially the aluminium cnc parts. I've got HK 450V2; HK 500GT and HK 600GT; this one is definetely the most valuable one.



Christian

st200ol | Verified Buyer

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Customer Rated

Jan 24, 2013

Great value kit. I have set mine up with Align electronics. The only issue I had was tail rotor related, the slider was very sloppy, so I replaced that with an Align part. I have set it up with a flybar head to begin with and its the most stable helicopter I have ever flown. No 3D though at the moment.

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Customer files
550 fbl manual Download [7994]
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open box Download [1717]
initial set up Download [1778]
setup 1 Download [1822]
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