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Digital Servoless Retractable system (1pc)

Digital Servoless Retractable sy...

The easiest way to put retracts in your plane. No need to install a control box, messy wiring or a complicated air system. Just screw in the retracts, connect to your Rx and youre ready!
Reliable servo mechanism with metal gearing and a high ...
HKD-312

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$7.70
49g
HKD-312


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Overview
The easiest way to put retracts in your plane. No need to install a control box, messy wiring or a complicated air system. Just screw in the retracts, connect to your Rx and youre ready!
Reliable servo mechanism with metal gearing and a high torque motor ensures trouble free flying!
Why bother with air systems when you can now have a realistic and reliable electric unit at a fraction of the price?!
Landing gear not included with the servoless retractable system.

Features:
Robust landing gear strut and mounting bracket
Built-in 10 seconds over current and jamming protection
Integrated electric motor with a micro PCB
Double shock absorption design, completely protect the gears
Auto 90 degree twist when retracted 

Spec.
Working voltage: 4.5~5.5V
Speed: 0.7s/60deg 4.8v - 0.55/60deg 6v
Idle current: 3mA
Angle limit: 90 degree when retracted
Operating temp: -10~50C
Weight: 37g
Shaft size: 3mm
Mounting area size: 35mm x 33mm
Length: 67mm
Not suitable for a plane heavier than 2.5kg
Specs

Additional Information

  • Blade Count:
    N/A
  • Diameter X(Inch):
    No
  • SKU
    HKD-312
  • Weight(g)
    49.00
  • Length:
    70.00
  • Width:
    27.00
  • Height
    48.00
Discussion
Reviews

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I have put a pair of these in my Focke-Wulf FW 190D 1550mm span ARF plane. Needed a little bit of adaption of the wheel well but seem to work well. Quite tough for plastic retracts.
Astounding value for money! I use these on a 550 size Bell222 and a 600 size Airwolf. general fitment is great, no fiddling with servos and links that need to be exactly right. Fit & forget. Nice slow action and sturdy construction. Remark: Only use them on 4,8V or they may fry themselves.
Good Item. But I can not find still wire for this item in Hobby King. I just buy japan shop OK model parts. It's perfect fit with this item.
I've bought these for use in a .30 size helicopter, the Hirobo Bell 222. Very easy to fit as there's no servos needed for them. Work great and have a nice slow movement.
This retract is great for the price. It operates smoothly and without any trouble. Also, it is super strong and lightweight. I love it!
Very good retratable gear for the Quadcopter Q450.

A lot of power, and it`s work very quite.

Great retracts - strong to take the less than ideal landings and can lift a reasonable weight wheel with ease and has a smooth action and positive locks at both ends so won't drain power from the receiver.
Had been using these units for years and never had problem for landing. Pretty good for planes up to 5 lbs flying weight.
its a little weak not strong. and its not fit tarot 680 pro
Nicely made retract unit that simply works. Nice step up from the 18.8g units for slightly heavier models
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